{"schemaVersion":"server402.catalog.search.v1","generatedAt":"2026-07-21T21:39:53Z","generatedAtBeijing":"2026-07-22 05:39:53 CST","timezone":"Asia/Shanghai","query":"ai-data-cleaning-advisor","filters":{"limit":10},"total":43,"services":[{"id":"ai-data-cleaning-advisor","canonicalId":"ai-data-cleaning-advisor","name":"AI Data Cleaning Advisor","displayName":"AI Data Cleaning Advisor","description":"Inspects dataset samples and recommends cleaning steps, normalization rules, and quality checks. Paid x402 Bailian/Qwen service. Call with the declared JSON schema; unpaid calls return HTTP 402 before model execution.","descriptionForModel":"Inspects dataset samples and recommends cleaning steps, normalization rules, and quality checks. Paid x402 Bailian/Qwen service. 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Paid x402 Bailian/Qwen service. Call with the declared JSON schema; unpaid calls return HTTP 402 before model execution. Turns chart data or metric summaries into insights, annotations, and executive commentary. Paid x402 Bailian/Qwen service. Call with the declared JSON schema; unpaid calls return HTTP 402 before model execution. ai-models object string object string paid x402 usdc base bailian qwen llm ai-model model-service analytics chart-insights data-storytelling metrics semantic:chart-insights intent:write-insights output:insights ai-chart-insight-writer AI Chart Insight Writer bailian qwen dashscope llm ai model ai agent paid ai api analytics chart-insights data-storytelling metrics semantic:chart-insights intent:write-insights output:insights Call Alibaba Cloud Bailian/Qwen through a paid HTTP 402 API. Use this service when an AI agent needs turns chart data or metric summaries into insights, annotations, and executive commentary. 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PAYMENT-SIGNATURE set to the base64 JSON x402 payment payload.","XIAO flow: pay the accepts[] requirement where asset=XIAO with the AI wallet, then retry the exact same request with X402-Guarantee set to the base64url guarantee JSON.","Legacy token flow: POST /api/payments with serviceId, complete/verify payment, then retry with X-Payment-Token set to payment.token."],"mcp":["Call the tool without paymentToken to receive payment_required structuredContent.","Preferred x402 clients should pay the accepts[] requirement and call the underlying HTTP endpoint with PAYMENT-SIGNATURE.","XIAO-capable agents should pay the XIAO accepts[] requirement through the AI wallet and call the underlying HTTP endpoint with X402-Guarantee.","Legacy MCP clients can complete or verify payment.paymentId, then call the same MCP tool again with paymentToken set to payment.token."],"examples":{"http402":["curl -i https://example.com/api/tools/timestamp","Read accepts[0].network=eip155:8453, 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Pay Base USDC with PAYMENT-SIGNATURE or pay XIAO with X402-Guarantee, then retry the same request.","retryHint":"If the service returns HTTP 402, pay one accepts[] requirement, then retry with PAYMENT-SIGNATURE for Base USDC, X402-Guarantee for Xiao Coin, or X-Payment-Token: payment.token for legacy token flow.","requiredState":"published, enabled"},"complexity":"moderate","typicalResponseTime":"3s","cacheable":false,"idempotent":true,"outputFormat":"json","requiredContext":["task input","bailian-api-key"],"errorExamples":[{"input":{},"error":"data is required","statusCode":400}],"sla":{"uptime":"99.5%","maxLatency":"45000ms"},"matchScore":78,"matchTerms":["ai","data"],"why":"Matched ai, data for \"AI Chart Insight Writer\". Price is USD 0.01 per policy bailian-qwen-standard.","whyMatched":"Matched ai, data for \"AI Chart Insight Writer\". Price is USD 0.01 per policy bailian-qwen-standard."},{"id":"ai-sql-query-builder","canonicalId":"ai-sql-query-builder","name":"AI SQL Query Builder","displayName":"AI SQL Query Builder","description":"Creates SQL queries from a natural-language request, schema context, and database dialect. Paid x402 Bailian/Qwen service. Call with the declared JSON schema; unpaid calls return HTTP 402 before model execution.","descriptionForModel":"Creates SQL queries from a natural-language request, schema context, and database dialect. Paid x402 Bailian/Qwen service. Call with the declared JSON schema; unpaid calls return HTTP 402 before model execution.","category":"ai-models","keywords":["ai-sql-query-builder","AI SQL Query Builder","bailian","qwen","dashscope","llm","ai model","ai agent","paid ai api","sql","query-builder","analytics","database","semantic:sql-builder","intent:generate-sql","output:sql"],"useCases":["Call Alibaba Cloud Bailian/Qwen through a paid HTTP 402 API.","Use this service when an AI agent needs creates sql queries from a natural-language request, schema context, and database dialect.","Return machine-readable JSON for downstream automation."],"limitations":["Does not browse live web data; provide source context explicitly.","Requires BAILIAN_API_KEY or DASHSCOPE_API_KEY on the server."],"tags":["paid","x402","usdc","base","bailian","qwen","llm","ai-model","model-service","sql","query-builder","analytics","database","semantic:sql-builder","intent:generate-sql","output:sql"],"method":"POST","endpoint":"/api/tools/ai-sql-query-builder","endpointAliases":["/api/tools/ai-sql-query-builder"],"inputTypes":["object","string"],"outputTypes":["object","string"],"inputSchema":{"additionalProperties":true,"properties":{"context":{"description":"Optional supporting context, source text, constraints, or background.","type":"string"},"language":{"description":"Optional output language or locale.","type":"string"},"request":{"description":"Required input field request.","type":"string"},"schema":{"description":"Required input field schema.","type":"string"}},"required":["request","schema"],"type":"object"},"outputSchema":{"additionalProperties":true,"properties":{"model":{"type":"string"},"provider":{"type":"string"},"result":{"additionalProperties":true,"type":"object"},"service_id":{"type":"string"},"status":{"type":"string"},"upstream_id":{"type":"string"},"upstream_request_id":{"type":"string"},"usage":{"additionalProperties":true,"type":"object"}},"required":["status","service_id","result"],"type":"object"},"exampleRequest":{"request":"Example request.","schema":"orders(id, customer_id, total, created_at)"},"exampleResponse":{"model":"qwen-plus","provider":"aliyun-bailian","result":{"summary":"Example structured result."},"service_id":"ai-sql-query-builder","status":"ok"},"pricing":{"amountCents":1,"amountMicros":10000,"currency":"USD","policyId":"bailian-qwen-standard","settleMode":"settle_first","billingMode":"per_call","maxCalls":1,"allowReuse":false,"bindClient":true},"payment":{"providerId":"x402-base-usdc","provider":"x402_facilitator"},"quality":{"qualityScore":43,"healthStatus":"","latencyMs":22,"successRate":1,"callCount":3,"executionCount":3,"successCount":3,"errorCount":0,"paymentRequireds":0,"lastCallAt":"2026-07-21T21:18:58Z"},"discovery":{"toolName":"ai_sql_query_builder","searchText":"ai-sql-query-builder AI SQL Query Builder Creates SQL queries from a natural-language request, schema context, and database dialect. Paid x402 Bailian/Qwen service. Call with the declared JSON schema; unpaid calls return HTTP 402 before model execution. Creates SQL queries from a natural-language request, schema context, and database dialect. Paid x402 Bailian/Qwen service. Call with the declared JSON schema; unpaid calls return HTTP 402 before model execution. ai-models object string object string paid x402 usdc base bailian qwen llm ai-model model-service sql query-builder analytics database semantic:sql-builder intent:generate-sql output:sql ai-sql-query-builder AI SQL Query Builder bailian qwen dashscope llm ai model ai agent paid ai api sql query-builder analytics database semantic:sql-builder intent:generate-sql output:sql Call Alibaba Cloud Bailian/Qwen through a paid HTTP 402 API. Use this service when an AI agent needs creates sql queries from a natural-language request, schema context, and database dialect. Return machine-readable JSON for downstream automation. Does not browse live web data; provide source context explicitly. Requires BAILIAN_API_KEY or DASHSCOPE_API_KEY on the server. /api/tools/ai-sql-query-builder","aliases":["AI SQL Query Builder","ai-models","paid","x402","usdc","base","bailian","qwen","llm","ai-model","model-service","sql","query-builder","analytics","database","semantic:sql-builder","intent:generate-sql","output:sql","ai-sql-query-builder","dashscope","ai model","ai agent","paid ai api","ai_sql_query_builder","/api/tools/ai-sql-query-builder"],"localeHints":["en"],"useCases":["Call Alibaba Cloud Bailian/Qwen through a paid HTTP 402 API.","Use this service when an AI agent needs creates sql queries from a natural-language request, schema context, and database dialect.","Return machine-readable JSON for downstream automation."],"limitations":["Does not browse live web data; provide source context explicitly.","Requires BAILIAN_API_KEY or DASHSCOPE_API_KEY on the server."],"paymentFlow":{"type":"http-402","createPayment":{"method":"POST","url":"/api/payments","bodySchema":{"properties":{"providerId":{"type":"string"},"serviceId":{"description":"Use the canonical service id from the catalog. 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id.","type":"string"},"status":{"type":"string"},"token":{"type":"string"},"usedCalls":{"type":"integer"}},"type":"object"}},"verifyPayment":{"method":"GET","url":"/api/payments/{paymentId}","responseSchema":{"properties":{"amountCents":{"type":"integer"},"amountMicros":{"type":"integer"},"billingMode":{"type":"string"},"clientId":{"type":"string"},"currency":{"type":"string"},"expiresAt":{"format":"date-time","type":"string"},"internalServiceId":{"description":"Legacy internal service id, included only for backward compatibility.","type":"string"},"maxCalls":{"type":"integer"},"paidAt":{"format":"date-time","type":"string"},"payTo":{"type":"string"},"paymentId":{"type":"string"},"provider":{"type":"string"},"providerId":{"type":"string"},"remainingCalls":{"type":"integer"},"serviceId":{"description":"Canonical public service id.","type":"string"},"status":{"type":"string"},"token":{"type":"string"},"usedCalls":{"type":"integer"}},"type":"object"}},"token":{"header":"X-Payment-Token","mcpArgument":"paymentToken","httpUsage":"Send the paid token in the X-Payment-Token request header when calling /api/tools/*.","mcpUsage":"Pass the paid token as the paymentToken argument when calling the MCP tool."},"requiredResponse":{"status":402,"contentType":"application/json","headers":{"PAYMENT-REQUIRED":"base64/json x402PaymentRequired","PAYMENT-SIGNATURE":"base64/json x402 Base USDC payment payload","X-Payment-Required":"true","X-Payment-Token":"payment.token","X402-Guarantee":"base64url/json Xiao Coin escrow guarantee"},"bodySchema":{"properties":{"accepts":{"items":{"type":"object"},"type":"array"},"error":{"type":"string"},"extensions":{"type":"object"},"payment":{"properties":{"amountCents":{"type":"integer"},"amountMicros":{"type":"integer"},"billingMode":{"type":"string"},"clientId":{"type":"string"},"currency":{"type":"string"},"expiresAt":{"format":"date-time","type":"string"},"internalServiceId":{"description":"Legacy internal service id, included only for backward compatibility.","type":"string"},"maxCalls":{"type":"integer"},"paidAt":{"format":"date-time","type":"string"},"payTo":{"type":"string"},"paymentId":{"type":"string"},"provider":{"type":"string"},"providerId":{"type":"string"},"remainingCalls":{"type":"integer"},"serviceId":{"description":"Canonical public service id.","type":"string"},"status":{"type":"string"},"token":{"type":"string"},"usedCalls":{"type":"integer"}},"type":"object"},"paymentFlow":{"type":"object"},"resource":{"type":"object"},"retry":{"type":"object"},"type":{"const":"payment_required","type":"string"},"x402Version":{"type":"integer"}},"required":["type","error","payment","paymentFlow","retry"],"type":"object"},"x402Version":2,"x402Header":"PAYMENT-REQUIRED","paymentAsset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","paymentNetwork":"eip155:8453"},"retry":{"when":"Retry after paying one accepts[] requirement with Base USDC x402, Xiao Coin AI wallet escrow, or after payment.status is paid and the legacy token has remaining calls.","http":["Preferred x402 flow: call the paid /api/tools/* endpoint once and read accepts[] from the HTTP 402 response body or PAYMENT-REQUIRED header.","Pay one accepts[] requirement with an x402-compatible wallet/facilitator on network eip155:8453 using Base USDC.","Retry the exact same request with PAYMENT-SIGNATURE set to the base64 JSON x402 payment payload.","XIAO flow: pay the accepts[] requirement where asset=XIAO with the AI wallet, then retry the exact same request with X402-Guarantee set to the base64url guarantee JSON.","Legacy token flow: POST /api/payments with serviceId, complete/verify payment, then retry with X-Payment-Token set to payment.token."],"mcp":["Call the tool without paymentToken to receive payment_required structuredContent.","Preferred x402 clients should pay the accepts[] requirement and call the underlying HTTP endpoint with PAYMENT-SIGNATURE.","XIAO-capable agents should pay the XIAO accepts[] requirement through the AI wallet and call the underlying HTTP endpoint with X402-Guarantee.","Legacy MCP clients can complete or verify payment.paymentId, then call the same MCP tool again with paymentToken set to payment.token."],"examples":{"http402":["curl -i https://example.com/api/tools/timestamp","Read accepts[0].network=eip155:8453, accepts[0].asset=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913, accepts[0].amount, and accepts[0].payTo.","curl -H 'PAYMENT-SIGNATURE: \u003cbase64-json-x402-payment-payload\u003e' https://example.com/api/tools/timestamp"],"legacyToken":["curl -X POST https://example.com/api/payments -H 'Content-Type: application/json' -d '{\"serviceId\":\"timestamp\"}'","curl -H 'X-Payment-Token: \u003cpayment.token\u003e' https://example.com/api/tools/timestamp"],"mcp":["Call tool timestamp with no paymentToken.","After payment is complete, call timestamp again with paymentToken=\u003cpayment.token\u003e."],"xiao":["curl -i https://example.com/api/tools/timestamp","Read the accepts[] entry with asset=XIAO, create an AI wallet guarantee for merchant_id=aivps.lat and merchant_order_id=payment.paymentId.","curl -H 'X402-Guarantee: \u003cbase64url-guarantee-json\u003e' https://example.com/api/tools/timestamp"]},"failures":["payment required","payment token expired","payment token has no remaining calls","api key required","api key is not allowed to call this service"]}},"paymentHint":"Call POST /api/tools/ai-sql-query-builder once to receive HTTP 402 with accepts[] requirements, or create a payment with POST /api/payments using serviceId=\"ai-sql-query-builder\". Pay Base USDC with PAYMENT-SIGNATURE or pay XIAO with X402-Guarantee, then retry the same request.","retryHint":"If the service returns HTTP 402, pay one accepts[] requirement, then retry with PAYMENT-SIGNATURE for Base USDC, X402-Guarantee for Xiao Coin, or X-Payment-Token: payment.token for legacy token flow.","requiredState":"published, enabled"},"complexity":"moderate","typicalResponseTime":"3s","cacheable":false,"idempotent":true,"outputFormat":"json","requiredContext":["task input","bailian-api-key"],"errorExamples":[{"input":{},"error":"request, schema is required","statusCode":400}],"sla":{"uptime":"99.5%","maxLatency":"45000ms"},"matchScore":78,"matchTerms":["ai","data"],"why":"Matched ai, data for \"AI SQL Query Builder\". Price is USD 0.01 per policy bailian-qwen-standard.","whyMatched":"Matched ai, data for \"AI SQL Query Builder\". Price is USD 0.01 per policy bailian-qwen-standard."},{"id":"ai-structured-data-extractor","canonicalId":"ai-structured-data-extractor","name":"AI Structured Data Extractor","displayName":"AI Structured Data Extractor","description":"Extracts requested fields from unstructured text into normalized JSON. Paid x402 Bailian/Qwen service. Call with the declared JSON schema; unpaid calls return HTTP 402 before model execution.","descriptionForModel":"Extracts requested fields from unstructured text into normalized JSON. Paid x402 Bailian/Qwen service. Call with the declared JSON schema; unpaid calls return HTTP 402 before model execution.","category":"ai-models","keywords":["ai-structured-data-extractor","AI Structured Data Extractor","bailian","qwen","dashscope","llm","ai model","ai agent","paid ai api","extraction","structured-json","normalization","entities","forms","semantic:data-extraction","intent:field-extraction","output:records"],"useCases":["Call Alibaba Cloud Bailian/Qwen through a paid HTTP 402 API.","Use this service when an AI agent needs extracts requested fields from unstructured text into normalized json.","Return machine-readable JSON for downstream automation."],"limitations":["Does not browse live web data; provide source context explicitly.","Requires BAILIAN_API_KEY or DASHSCOPE_API_KEY on the server."],"tags":["paid","x402","usdc","base","bailian","qwen","llm","ai-model","model-service","extraction","structured-json","normalization","entities","forms","semantic:data-extraction","intent:field-extraction","output:records"],"method":"POST","endpoint":"/api/tools/ai-structured-data-extractor","endpointAliases":["/api/tools/ai-structured-data-extractor"],"inputTypes":["object","string"],"outputTypes":["object","string"],"inputSchema":{"additionalProperties":true,"properties":{"context":{"description":"Optional supporting context, source text, constraints, or background.","type":"string"},"language":{"description":"Optional output language or locale.","type":"string"},"text":{"description":"Required input field text.","type":"string"}},"required":["text"],"type":"object"},"outputSchema":{"additionalProperties":true,"properties":{"model":{"type":"string"},"provider":{"type":"string"},"result":{"additionalProperties":true,"type":"object"},"service_id":{"type":"string"},"status":{"type":"string"},"upstream_id":{"type":"string"},"upstream_request_id":{"type":"string"},"usage":{"additionalProperties":true,"type":"object"}},"required":["status","service_id","result"],"type":"object"},"exampleRequest":{"text":"The customer asked for an OCR API with HTTP 402 payment support."},"exampleResponse":{"model":"qwen-plus","provider":"aliyun-bailian","result":{"summary":"Example structured result."},"service_id":"ai-structured-data-extractor","status":"ok"},"pricing":{"amountCents":1,"amountMicros":10000,"currency":"USD","policyId":"bailian-qwen-standard","settleMode":"settle_first","billingMode":"per_call","maxCalls":1,"allowReuse":false,"bindClient":true},"payment":{"providerId":"x402-base-usdc","provider":"x402_facilitator"},"quality":{"qualityScore":43,"healthStatus":"","latencyMs":16,"successRate":1,"callCount":3,"executionCount":3,"successCount":3,"errorCount":0,"paymentRequireds":0,"lastCallAt":"2026-07-21T21:19:07Z"},"discovery":{"toolName":"ai_structured_data_extractor","searchText":"ai-structured-data-extractor AI Structured Data Extractor Extracts requested fields from unstructured text into normalized JSON. Paid x402 Bailian/Qwen service. Call with the declared JSON schema; unpaid calls return HTTP 402 before model execution. Extracts requested fields from unstructured text into normalized JSON. Paid x402 Bailian/Qwen service. Call with the declared JSON schema; unpaid calls return HTTP 402 before model execution. ai-models object string object string paid x402 usdc base bailian qwen llm ai-model model-service extraction structured-json normalization entities forms semantic:data-extraction intent:field-extraction output:records ai-structured-data-extractor AI Structured Data Extractor bailian qwen dashscope llm ai model ai agent paid ai api extraction structured-json normalization entities forms semantic:data-extraction intent:field-extraction output:records Call Alibaba Cloud Bailian/Qwen through a paid HTTP 402 API. Use this service when an AI agent needs extracts requested fields from unstructured text into normalized json. Return machine-readable JSON for downstream automation. Does not browse live web data; provide source context explicitly. Requires BAILIAN_API_KEY or DASHSCOPE_API_KEY on the server. /api/tools/ai-structured-data-extractor","aliases":["AI Structured Data Extractor","ai-models","paid","x402","usdc","base","bailian","qwen","llm","ai-model","model-service","extraction","structured-json","normalization","entities","forms","semantic:data-extraction","intent:field-extraction","output:records","ai-structured-data-extractor","dashscope","ai model","ai agent","paid ai api","ai_structured_data_extractor","/api/tools/ai-structured-data-extractor"],"localeHints":["en"],"useCases":["Call Alibaba Cloud Bailian/Qwen through a paid HTTP 402 API.","Use this service when an AI agent needs extracts requested fields from unstructured text into normalized json.","Return machine-readable JSON for downstream automation."],"limitations":["Does not browse live web data; provide source context explicitly.","Requires BAILIAN_API_KEY or DASHSCOPE_API_KEY on the server."],"paymentFlow":{"type":"http-402","createPayment":{"method":"POST","url":"/api/payments","bodySchema":{"properties":{"providerId":{"type":"string"},"serviceId":{"description":"Use the canonical service id from the catalog. Legacy internal ids remain accepted for backward compatibility.","type":"string"}},"required":["serviceId"],"type":"object"},"responseSchema":{"properties":{"amountCents":{"type":"integer"},"amountMicros":{"type":"integer"},"billingMode":{"type":"string"},"clientId":{"type":"string"},"currency":{"type":"string"},"expiresAt":{"format":"date-time","type":"string"},"internalServiceId":{"description":"Legacy internal service id, included only for backward compatibility.","type":"string"},"maxCalls":{"type":"integer"},"paidAt":{"format":"date-time","type":"string"},"payTo":{"type":"string"},"paymentId":{"type":"string"},"provider":{"type":"string"},"providerId":{"type":"string"},"remainingCalls":{"type":"integer"},"serviceId":{"description":"Canonical public service 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id.","type":"string"},"status":{"type":"string"},"token":{"type":"string"},"usedCalls":{"type":"integer"}},"type":"object"},"paymentFlow":{"type":"object"},"resource":{"type":"object"},"retry":{"type":"object"},"type":{"const":"payment_required","type":"string"},"x402Version":{"type":"integer"}},"required":["type","error","payment","paymentFlow","retry"],"type":"object"},"x402Version":2,"x402Header":"PAYMENT-REQUIRED","paymentAsset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","paymentNetwork":"eip155:8453"},"retry":{"when":"Retry after paying one accepts[] requirement with Base USDC x402, Xiao Coin AI wallet escrow, or after payment.status is paid and the legacy token has remaining calls.","http":["Preferred x402 flow: call the paid /api/tools/* endpoint once and read accepts[] from the HTTP 402 response body or PAYMENT-REQUIRED header.","Pay one accepts[] requirement with an x402-compatible wallet/facilitator on network eip155:8453 using Base USDC.","Retry the exact same request with PAYMENT-SIGNATURE set to the base64 JSON x402 payment payload.","XIAO flow: pay the accepts[] requirement where asset=XIAO with the AI wallet, then retry the exact same request with X402-Guarantee set to the base64url guarantee JSON.","Legacy token flow: POST /api/payments with serviceId, complete/verify payment, then retry with X-Payment-Token set to payment.token."],"mcp":["Call the tool without paymentToken to receive payment_required structuredContent.","Preferred x402 clients should pay the accepts[] requirement and call the underlying HTTP endpoint with PAYMENT-SIGNATURE.","XIAO-capable agents should pay the XIAO accepts[] requirement through the AI wallet and call the underlying HTTP endpoint with X402-Guarantee.","Legacy MCP clients can complete or verify payment.paymentId, then call the same MCP tool again with paymentToken set to payment.token."],"examples":{"http402":["curl -i https://example.com/api/tools/timestamp","Read accepts[0].network=eip155:8453, accepts[0].asset=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913, accepts[0].amount, and accepts[0].payTo.","curl -H 'PAYMENT-SIGNATURE: \u003cbase64-json-x402-payment-payload\u003e' https://example.com/api/tools/timestamp"],"legacyToken":["curl -X POST https://example.com/api/payments -H 'Content-Type: application/json' -d '{\"serviceId\":\"timestamp\"}'","curl -H 'X-Payment-Token: \u003cpayment.token\u003e' https://example.com/api/tools/timestamp"],"mcp":["Call tool timestamp with no paymentToken.","After payment is complete, call timestamp again with paymentToken=\u003cpayment.token\u003e."],"xiao":["curl -i https://example.com/api/tools/timestamp","Read the accepts[] entry with asset=XIAO, create an AI wallet guarantee for merchant_id=aivps.lat and merchant_order_id=payment.paymentId.","curl -H 'X402-Guarantee: \u003cbase64url-guarantee-json\u003e' https://example.com/api/tools/timestamp"]},"failures":["payment required","payment token expired","payment token has no remaining calls","api key required","api key is not allowed to call this service"]}},"paymentHint":"Call POST /api/tools/ai-structured-data-extractor once to receive HTTP 402 with accepts[] requirements, or create a payment with POST /api/payments using serviceId=\"ai-structured-data-extractor\". 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Price is USD 0.01 per policy bailian-qwen-standard."},{"id":"ai-code-explainer","canonicalId":"ai-code-explainer","name":"AI Code Explainer","displayName":"AI Code Explainer","description":"Explains code behavior, data flow, edge cases, and refactoring opportunities. Paid x402 Bailian/Qwen service. Call with the declared JSON schema; unpaid calls return HTTP 402 before model execution.","descriptionForModel":"Explains code behavior, data flow, edge cases, and refactoring opportunities. Paid x402 Bailian/Qwen service. Call with the declared JSON schema; unpaid calls return HTTP 402 before model execution.","category":"ai-models","keywords":["ai-code-explainer","AI Code Explainer","bailian","qwen","dashscope","llm","ai model","ai agent","paid ai api","code-explanation","developer-tools","debugging","refactoring","semantic:code-explainer","intent:explain-code","output:explanation"],"useCases":["Call Alibaba Cloud Bailian/Qwen through a paid HTTP 402 API.","Use this service when an AI agent needs explains code behavior, data flow, edge cases, and refactoring opportunities.","Return machine-readable JSON for downstream automation."],"limitations":["Does not browse live web data; provide source context explicitly.","Requires BAILIAN_API_KEY or DASHSCOPE_API_KEY on the server."],"tags":["paid","x402","usdc","base","bailian","qwen","llm","ai-model","model-service","code-explanation","developer-tools","debugging","refactoring","semantic:code-explainer","intent:explain-code","output:explanation"],"method":"POST","endpoint":"/api/tools/ai-code-explainer","endpointAliases":["/api/tools/ai-code-explainer"],"inputTypes":["object","string"],"outputTypes":["object","string"],"inputSchema":{"additionalProperties":true,"properties":{"code":{"description":"Required input field code.","type":"string"},"context":{"description":"Optional supporting context, source text, constraints, or background.","type":"string"},"language":{"description":"Optional output language or locale.","type":"string"}},"required":["code"],"type":"object"},"outputSchema":{"additionalProperties":true,"properties":{"model":{"type":"string"},"provider":{"type":"string"},"result":{"additionalProperties":true,"type":"object"},"service_id":{"type":"string"},"status":{"type":"string"},"upstream_id":{"type":"string"},"upstream_request_id":{"type":"string"},"usage":{"additionalProperties":true,"type":"object"}},"required":["status","service_id","result"],"type":"object"},"exampleRequest":{"code":"func add(a, b int) int { return a + b }"},"exampleResponse":{"model":"qwen-plus","provider":"aliyun-bailian","result":{"summary":"Example structured result."},"service_id":"ai-code-explainer","status":"ok"},"pricing":{"amountCents":0,"amountMicros":5000,"currency":"USD","policyId":"bailian-qwen-light","settleMode":"settle_first","billingMode":"per_call","maxCalls":1,"allowReuse":false,"bindClient":true},"payment":{"providerId":"x402-base-usdc","provider":"x402_facilitator"},"quality":{"qualityScore":43,"healthStatus":"","latencyMs":11,"successRate":1,"callCount":3,"executionCount":3,"successCount":3,"errorCount":0,"paymentRequireds":0,"lastCallAt":"2026-07-21T21:18:59Z"},"discovery":{"toolName":"ai_code_explainer","searchText":"ai-code-explainer AI Code Explainer Explains code behavior, data flow, edge cases, and refactoring opportunities. Paid x402 Bailian/Qwen service. Call with the declared JSON schema; unpaid calls return HTTP 402 before model execution. Explains code behavior, data flow, edge cases, and refactoring opportunities. Paid x402 Bailian/Qwen service. Call with the declared JSON schema; unpaid calls return HTTP 402 before model execution. ai-models object string object string paid x402 usdc base bailian qwen llm ai-model model-service code-explanation developer-tools debugging refactoring semantic:code-explainer intent:explain-code output:explanation ai-code-explainer AI Code Explainer bailian qwen dashscope llm ai model ai agent paid ai api code-explanation developer-tools debugging refactoring semantic:code-explainer intent:explain-code output:explanation Call Alibaba Cloud Bailian/Qwen through a paid HTTP 402 API. Use this service when an AI agent needs explains code behavior, data flow, edge cases, and refactoring opportunities. Return machine-readable JSON for downstream automation. Does not browse live web data; provide source context explicitly. Requires BAILIAN_API_KEY or DASHSCOPE_API_KEY on the server. /api/tools/ai-code-explainer","aliases":["AI Code Explainer","ai-models","paid","x402","usdc","base","bailian","qwen","llm","ai-model","model-service","code-explanation","developer-tools","debugging","refactoring","semantic:code-explainer","intent:explain-code","output:explanation","ai-code-explainer","dashscope","ai model","ai agent","paid ai api","ai_code_explainer","/api/tools/ai-code-explainer"],"localeHints":["en"],"useCases":["Call Alibaba Cloud Bailian/Qwen through a paid HTTP 402 API.","Use this service when an AI agent needs explains code behavior, data flow, edge cases, and refactoring opportunities.","Return machine-readable JSON for downstream automation."],"limitations":["Does not browse live web data; provide source context explicitly.","Requires BAILIAN_API_KEY or DASHSCOPE_API_KEY on the server."],"paymentFlow":{"type":"http-402","createPayment":{"method":"POST","url":"/api/payments","bodySchema":{"properties":{"providerId":{"type":"string"},"serviceId":{"description":"Use the canonical service id from the catalog. Legacy internal ids remain accepted for backward compatibility.","type":"string"}},"required":["serviceId"],"type":"object"},"responseSchema":{"properties":{"amountCents":{"type":"integer"},"amountMicros":{"type":"integer"},"billingMode":{"type":"string"},"clientId":{"type":"string"},"currency":{"type":"string"},"expiresAt":{"format":"date-time","type":"string"},"internalServiceId":{"description":"Legacy internal service id, included only for backward compatibility.","type":"string"},"maxCalls":{"type":"integer"},"paidAt":{"format":"date-time","type":"string"},"payTo":{"type":"string"},"paymentId":{"type":"string"},"provider":{"type":"string"},"providerId":{"type":"string"},"remainingCalls":{"type":"integer"},"serviceId":{"description":"Canonical public service id.","type":"string"},"status":{"type":"string"},"token":{"type":"string"},"usedCalls":{"type":"integer"}},"type":"object"}},"verifyPayment":{"method":"GET","url":"/api/payments/{paymentId}","responseSchema":{"properties":{"amountCents":{"type":"integer"},"amountMicros":{"type":"integer"},"billingMode":{"type":"string"},"clientId":{"type":"string"},"currency":{"type":"string"},"expiresAt":{"format":"date-time","type":"string"},"internalServiceId":{"description":"Legacy internal service id, included only for backward compatibility.","type":"string"},"maxCalls":{"type":"integer"},"paidAt":{"format":"date-time","type":"string"},"payTo":{"type":"string"},"paymentId":{"type":"string"},"provider":{"type":"string"},"providerId":{"type":"string"},"remainingCalls":{"type":"integer"},"serviceId":{"description":"Canonical public service id.","type":"string"},"status":{"type":"string"},"token":{"type":"string"},"usedCalls":{"type":"integer"}},"type":"object"}},"token":{"header":"X-Payment-Token","mcpArgument":"paymentToken","httpUsage":"Send the paid token in the X-Payment-Token request header when calling /api/tools/*.","mcpUsage":"Pass the paid token as the paymentToken argument when calling the MCP tool."},"requiredResponse":{"status":402,"contentType":"application/json","headers":{"PAYMENT-REQUIRED":"base64/json x402PaymentRequired","PAYMENT-SIGNATURE":"base64/json x402 Base USDC payment payload","X-Payment-Required":"true","X-Payment-Token":"payment.token","X402-Guarantee":"base64url/json Xiao Coin escrow guarantee"},"bodySchema":{"properties":{"accepts":{"items":{"type":"object"},"type":"array"},"error":{"type":"string"},"extensions":{"type":"object"},"payment":{"properties":{"amountCents":{"type":"integer"},"amountMicros":{"type":"integer"},"billingMode":{"type":"string"},"clientId":{"type":"string"},"currency":{"type":"string"},"expiresAt":{"format":"date-time","type":"string"},"internalServiceId":{"description":"Legacy internal service id, included only for backward compatibility.","type":"string"},"maxCalls":{"type":"integer"},"paidAt":{"format":"date-time","type":"string"},"payTo":{"type":"string"},"paymentId":{"type":"string"},"provider":{"type":"string"},"providerId":{"type":"string"},"remainingCalls":{"type":"integer"},"serviceId":{"description":"Canonical public service id.","type":"string"},"status":{"type":"string"},"token":{"type":"string"},"usedCalls":{"type":"integer"}},"type":"object"},"paymentFlow":{"type":"object"},"resource":{"type":"object"},"retry":{"type":"object"},"type":{"const":"payment_required","type":"string"},"x402Version":{"type":"integer"}},"required":["type","error","payment","paymentFlow","retry"],"type":"object"},"x402Version":2,"x402Header":"PAYMENT-REQUIRED","paymentAsset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","paymentNetwork":"eip155:8453"},"retry":{"when":"Retry after paying one accepts[] requirement with Base USDC x402, Xiao Coin AI wallet escrow, or after payment.status is paid and the legacy token has remaining calls.","http":["Preferred x402 flow: call the paid /api/tools/* endpoint once and read accepts[] from the HTTP 402 response body or PAYMENT-REQUIRED header.","Pay one accepts[] requirement with an x402-compatible wallet/facilitator on network eip155:8453 using Base USDC.","Retry the exact same request with PAYMENT-SIGNATURE set to the base64 JSON x402 payment payload.","XIAO flow: pay the accepts[] requirement where asset=XIAO with the AI wallet, then retry the exact same request with X402-Guarantee set to the base64url guarantee JSON.","Legacy token flow: POST /api/payments with serviceId, complete/verify payment, then retry with X-Payment-Token set to payment.token."],"mcp":["Call the tool without paymentToken to receive payment_required structuredContent.","Preferred x402 clients should pay the accepts[] requirement and call the underlying HTTP endpoint with PAYMENT-SIGNATURE.","XIAO-capable agents should pay the XIAO accepts[] requirement through the AI wallet and call the underlying HTTP endpoint with X402-Guarantee.","Legacy MCP clients can complete or verify payment.paymentId, then call the same MCP tool again with paymentToken set to payment.token."],"examples":{"http402":["curl -i https://example.com/api/tools/timestamp","Read accepts[0].network=eip155:8453, accepts[0].asset=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913, accepts[0].amount, and accepts[0].payTo.","curl -H 'PAYMENT-SIGNATURE: \u003cbase64-json-x402-payment-payload\u003e' https://example.com/api/tools/timestamp"],"legacyToken":["curl -X POST https://example.com/api/payments -H 'Content-Type: application/json' -d '{\"serviceId\":\"timestamp\"}'","curl -H 'X-Payment-Token: \u003cpayment.token\u003e' https://example.com/api/tools/timestamp"],"mcp":["Call tool timestamp with no paymentToken.","After payment is complete, call timestamp again with paymentToken=\u003cpayment.token\u003e."],"xiao":["curl -i https://example.com/api/tools/timestamp","Read the accepts[] entry with asset=XIAO, create an AI wallet guarantee for merchant_id=aivps.lat and merchant_order_id=payment.paymentId.","curl -H 'X402-Guarantee: \u003cbase64url-guarantee-json\u003e' https://example.com/api/tools/timestamp"]},"failures":["payment required","payment token expired","payment token has no remaining calls","api key required","api key is not allowed to call this service"]}},"paymentHint":"Call POST /api/tools/ai-code-explainer once to receive HTTP 402 with accepts[] requirements, or create a payment with POST /api/payments using serviceId=\"ai-code-explainer\". Pay Base USDC with PAYMENT-SIGNATURE or pay XIAO with X402-Guarantee, then retry the same request.","retryHint":"If the service returns HTTP 402, pay one accepts[] requirement, then retry with PAYMENT-SIGNATURE for Base USDC, X402-Guarantee for Xiao Coin, or X-Payment-Token: payment.token for legacy token flow.","requiredState":"published, enabled"},"complexity":"moderate","typicalResponseTime":"3s","cacheable":false,"idempotent":true,"outputFormat":"json","requiredContext":["task input","bailian-api-key"],"errorExamples":[{"input":{},"error":"code is required","statusCode":400}],"sla":{"uptime":"99.5%","maxLatency":"45000ms"},"matchScore":62,"matchTerms":["ai","data"],"why":"Matched ai, data for \"AI Code Explainer\". Price is USD 0.005 per policy bailian-qwen-light.","whyMatched":"Matched ai, data for \"AI Code Explainer\". Price is USD 0.005 per policy bailian-qwen-light."},{"id":"ai-task-planner","canonicalId":"ai-task-planner","name":"AI Task Planner","displayName":"AI Task Planner","description":"Turns a goal, constraints, and available context into an execution plan for AI agents. Paid x402 Bailian/Qwen service. Call with the declared JSON schema; unpaid calls return HTTP 402 before model execution.","descriptionForModel":"Turns a goal, constraints, and available context into an execution plan for AI agents. Paid x402 Bailian/Qwen service. Call with the declared JSON schema; unpaid calls return HTTP 402 before model execution.","category":"ai-models","keywords":["ai-task-planner","AI Task Planner","bailian","qwen","dashscope","llm","ai model","ai agent","paid ai api","planning","agent-workflow","task-decomposition","next-actions","semantic:task-planning","intent:agent-plan","output:steps"],"useCases":["Call Alibaba Cloud Bailian/Qwen through a paid HTTP 402 API.","Use this service when an AI agent needs turns a goal, constraints, and available context into an execution plan for ai agents.","Return machine-readable JSON for downstream automation."],"limitations":["Does not browse live web data; provide source context explicitly.","Requires BAILIAN_API_KEY or DASHSCOPE_API_KEY on the server."],"tags":["paid","x402","usdc","base","bailian","qwen","llm","ai-model","model-service","planning","agent-workflow","task-decomposition","next-actions","semantic:task-planning","intent:agent-plan","output:steps"],"method":"POST","endpoint":"/api/tools/ai-task-planner","endpointAliases":["/api/tools/ai-task-planner"],"inputTypes":["object","string"],"outputTypes":["object","string"],"inputSchema":{"additionalProperties":true,"properties":{"context":{"description":"Optional supporting context, source text, constraints, or background.","type":"string"},"goal":{"description":"Required input field goal.","type":"string"},"language":{"description":"Optional output language or locale.","type":"string"}},"required":["goal"],"type":"object"},"outputSchema":{"additionalProperties":true,"properties":{"model":{"type":"string"},"provider":{"type":"string"},"result":{"additionalProperties":true,"type":"object"},"service_id":{"type":"string"},"status":{"type":"string"},"upstream_id":{"type":"string"},"upstream_request_id":{"type":"string"},"usage":{"additionalProperties":true,"type":"object"}},"required":["status","service_id","result"],"type":"object"},"exampleRequest":{"goal":"Example goal."},"exampleResponse":{"model":"qwen-plus","provider":"aliyun-bailian","result":{"summary":"Example structured result."},"service_id":"ai-task-planner","status":"ok"},"pricing":{"amountCents":1,"amountMicros":10000,"currency":"USD","policyId":"bailian-qwen-standard","settleMode":"settle_first","billingMode":"per_call","maxCalls":1,"allowReuse":false,"bindClient":true},"payment":{"providerId":"x402-base-usdc","provider":"x402_facilitator"},"quality":{"qualityScore":43,"healthStatus":"","latencyMs":14,"successRate":1,"callCount":3,"executionCount":3,"successCount":3,"errorCount":0,"paymentRequireds":0,"lastCallAt":"2026-07-21T21:19:11Z"},"discovery":{"toolName":"ai_task_planner","searchText":"ai-task-planner AI Task Planner Turns a goal, constraints, and available context into an execution plan for AI agents. Paid x402 Bailian/Qwen service. Call with the declared JSON schema; unpaid calls return HTTP 402 before model execution. Turns a goal, constraints, and available context into an execution plan for AI agents. Paid x402 Bailian/Qwen service. Call with the declared JSON schema; unpaid calls return HTTP 402 before model execution. ai-models object string object string paid x402 usdc base bailian qwen llm ai-model model-service planning agent-workflow task-decomposition next-actions semantic:task-planning intent:agent-plan output:steps ai-task-planner AI Task Planner bailian qwen dashscope llm ai model ai agent paid ai api planning agent-workflow task-decomposition next-actions semantic:task-planning intent:agent-plan output:steps Call Alibaba Cloud Bailian/Qwen through a paid HTTP 402 API. Use this service when an AI agent needs turns a goal, constraints, and available context into an execution plan for ai agents. Return machine-readable JSON for downstream automation. Does not browse live web data; provide source context explicitly. Requires BAILIAN_API_KEY or DASHSCOPE_API_KEY on the server. /api/tools/ai-task-planner","aliases":["AI Task Planner","ai-models","paid","x402","usdc","base","bailian","qwen","llm","ai-model","model-service","planning","agent-workflow","task-decomposition","next-actions","semantic:task-planning","intent:agent-plan","output:steps","ai-task-planner","dashscope","ai model","ai agent","paid ai api","ai_task_planner","/api/tools/ai-task-planner"],"localeHints":["en"],"useCases":["Call Alibaba Cloud Bailian/Qwen through a paid HTTP 402 API.","Use this service when an AI agent needs turns a goal, constraints, and available context into an execution plan for ai agents.","Return machine-readable JSON for downstream automation."],"limitations":["Does not browse live web data; provide source context explicitly.","Requires BAILIAN_API_KEY or DASHSCOPE_API_KEY on the server."],"paymentFlow":{"type":"http-402","createPayment":{"method":"POST","url":"/api/payments","bodySchema":{"properties":{"providerId":{"type":"string"},"serviceId":{"description":"Use the canonical service id from the catalog. Legacy internal ids remain accepted for backward compatibility.","type":"string"}},"required":["serviceId"],"type":"object"},"responseSchema":{"properties":{"amountCents":{"type":"integer"},"amountMicros":{"type":"integer"},"billingMode":{"type":"string"},"clientId":{"type":"string"},"currency":{"type":"string"},"expiresAt":{"format":"date-time","type":"string"},"internalServiceId":{"description":"Legacy internal service id, included only for backward compatibility.","type":"string"},"maxCalls":{"type":"integer"},"paidAt":{"format":"date-time","type":"string"},"payTo":{"type":"string"},"paymentId":{"type":"string"},"provider":{"type":"string"},"providerId":{"type":"string"},"remainingCalls":{"type":"integer"},"serviceId":{"description":"Canonical public service id.","type":"string"},"status":{"type":"string"},"token":{"type":"string"},"usedCalls":{"type":"integer"}},"type":"object"}},"verifyPayment":{"method":"GET","url":"/api/payments/{paymentId}","responseSchema":{"properties":{"amountCents":{"type":"integer"},"amountMicros":{"type":"integer"},"billingMode":{"type":"string"},"clientId":{"type":"string"},"currency":{"type":"string"},"expiresAt":{"format":"date-time","type":"string"},"internalServiceId":{"description":"Legacy internal service id, included only for backward compatibility.","type":"string"},"maxCalls":{"type":"integer"},"paidAt":{"format":"date-time","type":"string"},"payTo":{"type":"string"},"paymentId":{"type":"string"},"provider":{"type":"string"},"providerId":{"type":"string"},"remainingCalls":{"type":"integer"},"serviceId":{"description":"Canonical public service id.","type":"string"},"status":{"type":"string"},"token":{"type":"string"},"usedCalls":{"type":"integer"}},"type":"object"}},"token":{"header":"X-Payment-Token","mcpArgument":"paymentToken","httpUsage":"Send the paid token in the X-Payment-Token request header when calling /api/tools/*.","mcpUsage":"Pass the paid token as the paymentToken argument when calling the MCP tool."},"requiredResponse":{"status":402,"contentType":"application/json","headers":{"PAYMENT-REQUIRED":"base64/json x402PaymentRequired","PAYMENT-SIGNATURE":"base64/json x402 Base USDC payment payload","X-Payment-Required":"true","X-Payment-Token":"payment.token","X402-Guarantee":"base64url/json Xiao Coin escrow guarantee"},"bodySchema":{"properties":{"accepts":{"items":{"type":"object"},"type":"array"},"error":{"type":"string"},"extensions":{"type":"object"},"payment":{"properties":{"amountCents":{"type":"integer"},"amountMicros":{"type":"integer"},"billingMode":{"type":"string"},"clientId":{"type":"string"},"currency":{"type":"string"},"expiresAt":{"format":"date-time","type":"string"},"internalServiceId":{"description":"Legacy internal service id, included only for backward compatibility.","type":"string"},"maxCalls":{"type":"integer"},"paidAt":{"format":"date-time","type":"string"},"payTo":{"type":"string"},"paymentId":{"type":"string"},"provider":{"type":"string"},"providerId":{"type":"string"},"remainingCalls":{"type":"integer"},"serviceId":{"description":"Canonical public service id.","type":"string"},"status":{"type":"string"},"token":{"type":"string"},"usedCalls":{"type":"integer"}},"type":"object"},"paymentFlow":{"type":"object"},"resource":{"type":"object"},"retry":{"type":"object"},"type":{"const":"payment_required","type":"string"},"x402Version":{"type":"integer"}},"required":["type","error","payment","paymentFlow","retry"],"type":"object"},"x402Version":2,"x402Header":"PAYMENT-REQUIRED","paymentAsset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","paymentNetwork":"eip155:8453"},"retry":{"when":"Retry after paying one accepts[] requirement with Base USDC x402, Xiao Coin AI wallet escrow, or after payment.status is paid and the legacy token has remaining calls.","http":["Preferred x402 flow: call the paid /api/tools/* endpoint once and read accepts[] from the HTTP 402 response body or PAYMENT-REQUIRED header.","Pay one accepts[] requirement with an x402-compatible wallet/facilitator on network eip155:8453 using Base USDC.","Retry the exact same request with PAYMENT-SIGNATURE set to the base64 JSON x402 payment payload.","XIAO flow: pay the accepts[] requirement where asset=XIAO with the AI wallet, then retry the exact same request with X402-Guarantee set to the base64url guarantee JSON.","Legacy token flow: POST /api/payments with serviceId, complete/verify payment, then retry with X-Payment-Token set to payment.token."],"mcp":["Call the tool without paymentToken to receive payment_required structuredContent.","Preferred x402 clients should pay the accepts[] requirement and call the underlying HTTP endpoint with PAYMENT-SIGNATURE.","XIAO-capable agents should pay the XIAO accepts[] requirement through the AI wallet and call the underlying HTTP endpoint with X402-Guarantee.","Legacy MCP clients can complete or verify payment.paymentId, then call the same MCP tool again with paymentToken set to payment.token."],"examples":{"http402":["curl -i https://example.com/api/tools/timestamp","Read accepts[0].network=eip155:8453, accepts[0].asset=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913, accepts[0].amount, and accepts[0].payTo.","curl -H 'PAYMENT-SIGNATURE: \u003cbase64-json-x402-payment-payload\u003e' https://example.com/api/tools/timestamp"],"legacyToken":["curl -X POST https://example.com/api/payments -H 'Content-Type: application/json' -d '{\"serviceId\":\"timestamp\"}'","curl -H 'X-Payment-Token: \u003cpayment.token\u003e' https://example.com/api/tools/timestamp"],"mcp":["Call tool timestamp with no paymentToken.","After payment is complete, call timestamp again with paymentToken=\u003cpayment.token\u003e."],"xiao":["curl -i https://example.com/api/tools/timestamp","Read the accepts[] entry with asset=XIAO, create an AI wallet guarantee for merchant_id=aivps.lat and merchant_order_id=payment.paymentId.","curl -H 'X402-Guarantee: \u003cbase64url-guarantee-json\u003e' https://example.com/api/tools/timestamp"]},"failures":["payment required","payment token expired","payment token has no remaining calls","api key required","api key is not allowed to call this service"]}},"paymentHint":"Call POST /api/tools/ai-task-planner once to receive HTTP 402 with accepts[] requirements, or create a payment with POST /api/payments using serviceId=\"ai-task-planner\". Pay Base USDC with PAYMENT-SIGNATURE or pay XIAO with X402-Guarantee, then retry the same request.","retryHint":"If the service returns HTTP 402, pay one accepts[] requirement, then retry with PAYMENT-SIGNATURE for Base USDC, X402-Guarantee for Xiao Coin, or X-Payment-Token: payment.token for legacy token flow.","requiredState":"published, enabled"},"complexity":"moderate","typicalResponseTime":"3s","cacheable":false,"idempotent":true,"outputFormat":"json","requiredContext":["task input","bailian-api-key"],"errorExamples":[{"input":{},"error":"goal is required","statusCode":400}],"sla":{"uptime":"99.5%","maxLatency":"45000ms"},"matchScore":55,"matchTerms":["ai","data"],"why":"Matched ai, data for \"AI Task Planner\". Price is USD 0.01 per policy bailian-qwen-standard.","whyMatched":"Matched ai, data for \"AI Task Planner\". Price is USD 0.01 per policy bailian-qwen-standard."},{"id":"ai-api-contract-designer","canonicalId":"ai-api-contract-designer","name":"AI API Contract Designer","displayName":"AI API Contract Designer","description":"Designs JSON input/output schemas and invocation guidance for a desired AI/Agent service. Paid x402 Bailian/Qwen service. Call with the declared JSON schema; unpaid calls return HTTP 402 before model execution.","descriptionForModel":"Designs JSON input/output schemas and invocation guidance for a desired AI/Agent service. Paid x402 Bailian/Qwen service. Call with the declared JSON schema; unpaid calls return HTTP 402 before model execution.","category":"ai-models","keywords":["ai-api-contract-designer","AI API Contract Designer","bailian","qwen","dashscope","llm","ai model","ai agent","paid ai api","api-design","json-schema","service-contract","agent-tools","schema-generation","semantic:api-contract","intent:tool-design","output:schemas"],"useCases":["Call Alibaba Cloud Bailian/Qwen through a paid HTTP 402 API.","Use this service when an AI agent needs designs json input/output schemas and invocation guidance for a desired ai/agent service.","Return machine-readable JSON for downstream automation."],"limitations":["Does not browse live web data; provide source context explicitly.","Requires BAILIAN_API_KEY or DASHSCOPE_API_KEY on the server."],"tags":["paid","x402","usdc","base","bailian","qwen","llm","ai-model","model-service","api-design","json-schema","service-contract","agent-tools","schema-generation","semantic:api-contract","intent:tool-design","output:schemas"],"method":"POST","endpoint":"/api/tools/ai-api-contract-designer","endpointAliases":["/api/tools/ai-api-contract-designer"],"inputTypes":["object","string"],"outputTypes":["object","string"],"inputSchema":{"additionalProperties":true,"properties":{"context":{"description":"Optional supporting context, source text, constraints, or background.","type":"string"},"language":{"description":"Optional output language or locale.","type":"string"},"service_goal":{"description":"Required input field service_goal.","type":"string"}},"required":["service_goal"],"type":"object"},"outputSchema":{"additionalProperties":true,"properties":{"model":{"type":"string"},"provider":{"type":"string"},"result":{"additionalProperties":true,"type":"object"},"service_id":{"type":"string"},"status":{"type":"string"},"upstream_id":{"type":"string"},"upstream_request_id":{"type":"string"},"usage":{"additionalProperties":true,"type":"object"}},"required":["status","service_id","result"],"type":"object"},"exampleRequest":{"service_goal":"Example service goal."},"exampleResponse":{"model":"qwen-plus","provider":"aliyun-bailian","result":{"summary":"Example structured result."},"service_id":"ai-api-contract-designer","status":"ok"},"pricing":{"amountCents":1,"amountMicros":10000,"currency":"USD","policyId":"bailian-qwen-standard","settleMode":"settle_first","billingMode":"per_call","maxCalls":1,"allowReuse":false,"bindClient":true},"payment":{"providerId":"x402-base-usdc","provider":"x402_facilitator"},"quality":{"qualityScore":43,"healthStatus":"","latencyMs":18,"successRate":1,"callCount":3,"executionCount":3,"successCount":3,"errorCount":0,"paymentRequireds":0,"lastCallAt":"2026-07-21T21:20:35Z"},"discovery":{"toolName":"ai_api_contract_designer","searchText":"ai-api-contract-designer AI API Contract Designer Designs JSON input/output schemas and invocation guidance for a desired AI/Agent service. Paid x402 Bailian/Qwen service. Call with the declared JSON schema; unpaid calls return HTTP 402 before model execution. Designs JSON input/output schemas and invocation guidance for a desired AI/Agent service. Paid x402 Bailian/Qwen service. Call with the declared JSON schema; unpaid calls return HTTP 402 before model execution. ai-models object string object string paid x402 usdc base bailian qwen llm ai-model model-service api-design json-schema service-contract agent-tools schema-generation semantic:api-contract intent:tool-design output:schemas ai-api-contract-designer AI API Contract Designer bailian qwen dashscope llm ai model ai agent paid ai api api-design json-schema service-contract agent-tools schema-generation semantic:api-contract intent:tool-design output:schemas Call Alibaba Cloud Bailian/Qwen through a paid HTTP 402 API. Use this service when an AI agent needs designs json input/output schemas and invocation guidance for a desired ai/agent service. Return machine-readable JSON for downstream automation. Does not browse live web data; provide source context explicitly. Requires BAILIAN_API_KEY or DASHSCOPE_API_KEY on the server. /api/tools/ai-api-contract-designer","aliases":["AI API Contract Designer","ai-models","paid","x402","usdc","base","bailian","qwen","llm","ai-model","model-service","api-design","json-schema","service-contract","agent-tools","schema-generation","semantic:api-contract","intent:tool-design","output:schemas","ai-api-contract-designer","dashscope","ai model","ai agent","paid ai api","ai_api_contract_designer","/api/tools/ai-api-contract-designer"],"localeHints":["en"],"useCases":["Call Alibaba Cloud Bailian/Qwen through a paid HTTP 402 API.","Use this service when an AI agent needs designs json input/output schemas and invocation guidance for a desired ai/agent service.","Return machine-readable JSON for downstream automation."],"limitations":["Does not browse live web data; provide source context explicitly.","Requires BAILIAN_API_KEY or DASHSCOPE_API_KEY on the server."],"paymentFlow":{"type":"http-402","createPayment":{"method":"POST","url":"/api/payments","bodySchema":{"properties":{"providerId":{"type":"string"},"serviceId":{"description":"Use the canonical service id from the catalog. Legacy internal ids remain accepted for backward compatibility.","type":"string"}},"required":["serviceId"],"type":"object"},"responseSchema":{"properties":{"amountCents":{"type":"integer"},"amountMicros":{"type":"integer"},"billingMode":{"type":"string"},"clientId":{"type":"string"},"currency":{"type":"string"},"expiresAt":{"format":"date-time","type":"string"},"internalServiceId":{"description":"Legacy internal service id, included only for backward compatibility.","type":"string"},"maxCalls":{"type":"integer"},"paidAt":{"format":"date-time","type":"string"},"payTo":{"type":"string"},"paymentId":{"type":"string"},"provider":{"type":"string"},"providerId":{"type":"string"},"remainingCalls":{"type":"integer"},"serviceId":{"description":"Canonical public service id.","type":"string"},"status":{"type":"string"},"token":{"type":"string"},"usedCalls":{"type":"integer"}},"type":"object"}},"verifyPayment":{"method":"GET","url":"/api/payments/{paymentId}","responseSchema":{"properties":{"amountCents":{"type":"integer"},"amountMicros":{"type":"integer"},"billingMode":{"type":"string"},"clientId":{"type":"string"},"currency":{"type":"string"},"expiresAt":{"format":"date-time","type":"string"},"internalServiceId":{"description":"Legacy internal service id, included only for backward compatibility.","type":"string"},"maxCalls":{"type":"integer"},"paidAt":{"format":"date-time","type":"string"},"payTo":{"type":"string"},"paymentId":{"type":"string"},"provider":{"type":"string"},"providerId":{"type":"string"},"remainingCalls":{"type":"integer"},"serviceId":{"description":"Canonical public service id.","type":"string"},"status":{"type":"string"},"token":{"type":"string"},"usedCalls":{"type":"integer"}},"type":"object"}},"token":{"header":"X-Payment-Token","mcpArgument":"paymentToken","httpUsage":"Send the paid token in the X-Payment-Token request header when calling /api/tools/*.","mcpUsage":"Pass the paid token as the paymentToken argument when calling the MCP tool."},"requiredResponse":{"status":402,"contentType":"application/json","headers":{"PAYMENT-REQUIRED":"base64/json x402PaymentRequired","PAYMENT-SIGNATURE":"base64/json x402 Base USDC payment payload","X-Payment-Required":"true","X-Payment-Token":"payment.token","X402-Guarantee":"base64url/json Xiao Coin escrow guarantee"},"bodySchema":{"properties":{"accepts":{"items":{"type":"object"},"type":"array"},"error":{"type":"string"},"extensions":{"type":"object"},"payment":{"properties":{"amountCents":{"type":"integer"},"amountMicros":{"type":"integer"},"billingMode":{"type":"string"},"clientId":{"type":"string"},"currency":{"type":"string"},"expiresAt":{"format":"date-time","type":"string"},"internalServiceId":{"description":"Legacy internal service id, included only for backward compatibility.","type":"string"},"maxCalls":{"type":"integer"},"paidAt":{"format":"date-time","type":"string"},"payTo":{"type":"string"},"paymentId":{"type":"string"},"provider":{"type":"string"},"providerId":{"type":"string"},"remainingCalls":{"type":"integer"},"serviceId":{"description":"Canonical public service id.","type":"string"},"status":{"type":"string"},"token":{"type":"string"},"usedCalls":{"type":"integer"}},"type":"object"},"paymentFlow":{"type":"object"},"resource":{"type":"object"},"retry":{"type":"object"},"type":{"const":"payment_required","type":"string"},"x402Version":{"type":"integer"}},"required":["type","error","payment","paymentFlow","retry"],"type":"object"},"x402Version":2,"x402Header":"PAYMENT-REQUIRED","paymentAsset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","paymentNetwork":"eip155:8453"},"retry":{"when":"Retry after paying one accepts[] requirement with Base USDC x402, Xiao Coin AI wallet escrow, or after payment.status is paid and the legacy token has remaining calls.","http":["Preferred x402 flow: call the paid /api/tools/* endpoint once and read accepts[] from the HTTP 402 response body or PAYMENT-REQUIRED header.","Pay one accepts[] requirement with an x402-compatible wallet/facilitator on network eip155:8453 using Base USDC.","Retry the exact same request with PAYMENT-SIGNATURE set to the base64 JSON x402 payment payload.","XIAO flow: pay the accepts[] requirement where asset=XIAO with the AI wallet, then retry the exact same request with X402-Guarantee set to the base64url guarantee JSON.","Legacy token flow: POST /api/payments with serviceId, complete/verify payment, then retry with X-Payment-Token set to payment.token."],"mcp":["Call the tool without paymentToken to receive payment_required structuredContent.","Preferred x402 clients should pay the accepts[] requirement and call the underlying HTTP endpoint with PAYMENT-SIGNATURE.","XIAO-capable agents should pay the XIAO accepts[] requirement through the AI wallet and call the underlying HTTP endpoint with X402-Guarantee.","Legacy MCP clients can complete or verify payment.paymentId, then call the same MCP tool again with paymentToken set to payment.token."],"examples":{"http402":["curl -i https://example.com/api/tools/timestamp","Read accepts[0].network=eip155:8453, accepts[0].asset=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913, accepts[0].amount, and accepts[0].payTo.","curl -H 'PAYMENT-SIGNATURE: \u003cbase64-json-x402-payment-payload\u003e' https://example.com/api/tools/timestamp"],"legacyToken":["curl -X POST https://example.com/api/payments -H 'Content-Type: application/json' -d '{\"serviceId\":\"timestamp\"}'","curl -H 'X-Payment-Token: \u003cpayment.token\u003e' https://example.com/api/tools/timestamp"],"mcp":["Call tool timestamp with no paymentToken.","After payment is complete, call timestamp again with paymentToken=\u003cpayment.token\u003e."],"xiao":["curl -i https://example.com/api/tools/timestamp","Read the accepts[] entry with asset=XIAO, create an AI wallet guarantee for merchant_id=aivps.lat and merchant_order_id=payment.paymentId.","curl -H 'X402-Guarantee: \u003cbase64url-guarantee-json\u003e' https://example.com/api/tools/timestamp"]},"failures":["payment required","payment token expired","payment token has no remaining calls","api key required","api key is not allowed to call this service"]}},"paymentHint":"Call POST /api/tools/ai-api-contract-designer once to receive HTTP 402 with accepts[] requirements, or create a payment with POST /api/payments using serviceId=\"ai-api-contract-designer\". Pay Base USDC with PAYMENT-SIGNATURE or pay XIAO with X402-Guarantee, then retry the same request.","retryHint":"If the service returns HTTP 402, pay one accepts[] requirement, then retry with PAYMENT-SIGNATURE for Base USDC, X402-Guarantee for Xiao Coin, or X-Payment-Token: payment.token for legacy token flow.","requiredState":"published, enabled"},"complexity":"moderate","typicalResponseTime":"3s","cacheable":false,"idempotent":true,"outputFormat":"json","requiredContext":["task input","bailian-api-key"],"errorExamples":[{"input":{},"error":"service_goal is required","statusCode":400}],"sla":{"uptime":"99.5%","maxLatency":"45000ms"},"matchScore":55,"matchTerms":["ai","data"],"why":"Matched ai, data for \"AI API Contract Designer\". Price is USD 0.01 per policy bailian-qwen-standard.","whyMatched":"Matched ai, data for \"AI API Contract Designer\". Price is USD 0.01 per policy bailian-qwen-standard."},{"id":"ai-regex-generator","canonicalId":"ai-regex-generator","name":"AI Regex Generator","displayName":"AI Regex Generator","description":"Generates regular expressions with examples, edge cases, and implementation notes. Paid x402 Bailian/Qwen service. Call with the declared JSON schema; unpaid calls return HTTP 402 before model execution.","descriptionForModel":"Generates regular expressions with examples, edge cases, and implementation notes. Paid x402 Bailian/Qwen service. Call with the declared JSON schema; unpaid calls return HTTP 402 before model execution.","category":"ai-models","keywords":["ai-regex-generator","AI Regex Generator","bailian","qwen","dashscope","llm","ai model","ai agent","paid ai api","regex","pattern-matching","validation","developer-tools","semantic:regex-generator","intent:generate-regex","output:regex"],"useCases":["Call Alibaba Cloud Bailian/Qwen through a paid HTTP 402 API.","Use this service when an AI agent needs generates regular expressions with examples, edge cases, and implementation notes.","Return machine-readable JSON for downstream automation."],"limitations":["Does not browse live web data; provide source context explicitly.","Requires BAILIAN_API_KEY or DASHSCOPE_API_KEY on the server."],"tags":["paid","x402","usdc","base","bailian","qwen","llm","ai-model","model-service","regex","pattern-matching","validation","developer-tools","semantic:regex-generator","intent:generate-regex","output:regex"],"method":"POST","endpoint":"/api/tools/ai-regex-generator","endpointAliases":["/api/tools/ai-regex-generator"],"inputTypes":["object","string","array"],"outputTypes":["object","string"],"inputSchema":{"additionalProperties":true,"properties":{"context":{"description":"Optional supporting context, source text, constraints, or background.","type":"string"},"language":{"description":"Optional output language or locale.","type":"string"},"match_examples":{"description":"Required input field match_examples.","items":{"type":"string"},"type":"array"}},"required":["match_examples"],"type":"object"},"outputSchema":{"additionalProperties":true,"properties":{"model":{"type":"string"},"provider":{"type":"string"},"result":{"additionalProperties":true,"type":"object"},"service_id":{"type":"string"},"status":{"type":"string"},"upstream_id":{"type":"string"},"upstream_request_id":{"type":"string"},"usage":{"additionalProperties":true,"type":"object"}},"required":["status","service_id","result"],"type":"object"},"exampleRequest":{"match_examples":["INV-2026-001","ORD-402"]},"exampleResponse":{"model":"qwen-plus","provider":"aliyun-bailian","result":{"summary":"Example structured result."},"service_id":"ai-regex-generator","status":"ok"},"pricing":{"amountCents":0,"amountMicros":5000,"currency":"USD","policyId":"bailian-qwen-light","settleMode":"settle_first","billingMode":"per_call","maxCalls":1,"allowReuse":false,"bindClient":true},"payment":{"providerId":"x402-base-usdc","provider":"x402_facilitator"},"quality":{"qualityScore":43,"healthStatus":"","latencyMs":15,"successRate":1,"callCount":3,"executionCount":3,"successCount":3,"errorCount":0,"paymentRequireds":0,"lastCallAt":"2026-07-21T21:22:51Z"},"discovery":{"toolName":"ai_regex_generator","searchText":"ai-regex-generator AI Regex Generator Generates regular expressions with examples, edge cases, and implementation notes. Paid x402 Bailian/Qwen service. Call with the declared JSON schema; unpaid calls return HTTP 402 before model execution. Generates regular expressions with examples, edge cases, and implementation notes. Paid x402 Bailian/Qwen service. Call with the declared JSON schema; unpaid calls return HTTP 402 before model execution. ai-models object string array object string paid x402 usdc base bailian qwen llm ai-model model-service regex pattern-matching validation developer-tools semantic:regex-generator intent:generate-regex output:regex ai-regex-generator AI Regex Generator bailian qwen dashscope llm ai model ai agent paid ai api regex pattern-matching validation developer-tools semantic:regex-generator intent:generate-regex output:regex Call Alibaba Cloud Bailian/Qwen through a paid HTTP 402 API. Use this service when an AI agent needs generates regular expressions with examples, edge cases, and implementation notes. Return machine-readable JSON for downstream automation. Does not browse live web data; provide source context explicitly. Requires BAILIAN_API_KEY or DASHSCOPE_API_KEY on the server. /api/tools/ai-regex-generator","aliases":["AI Regex Generator","ai-models","paid","x402","usdc","base","bailian","qwen","llm","ai-model","model-service","regex","pattern-matching","validation","developer-tools","semantic:regex-generator","intent:generate-regex","output:regex","ai-regex-generator","dashscope","ai model","ai agent","paid ai api","ai_regex_generator","/api/tools/ai-regex-generator"],"localeHints":["en"],"useCases":["Call Alibaba Cloud Bailian/Qwen through a paid HTTP 402 API.","Use this service when an AI agent needs generates regular expressions with examples, edge cases, and implementation notes.","Return machine-readable JSON for downstream automation."],"limitations":["Does not browse live web data; provide source context explicitly.","Requires BAILIAN_API_KEY or DASHSCOPE_API_KEY on the server."],"paymentFlow":{"type":"http-402","createPayment":{"method":"POST","url":"/api/payments","bodySchema":{"properties":{"providerId":{"type":"string"},"serviceId":{"description":"Use the canonical service id from the catalog. Legacy internal ids remain accepted for backward compatibility.","type":"string"}},"required":["serviceId"],"type":"object"},"responseSchema":{"properties":{"amountCents":{"type":"integer"},"amountMicros":{"type":"integer"},"billingMode":{"type":"string"},"clientId":{"type":"string"},"currency":{"type":"string"},"expiresAt":{"format":"date-time","type":"string"},"internalServiceId":{"description":"Legacy internal service id, included only for backward compatibility.","type":"string"},"maxCalls":{"type":"integer"},"paidAt":{"format":"date-time","type":"string"},"payTo":{"type":"string"},"paymentId":{"type":"string"},"provider":{"type":"string"},"providerId":{"type":"string"},"remainingCalls":{"type":"integer"},"serviceId":{"description":"Canonical public service id.","type":"string"},"status":{"type":"string"},"token":{"type":"string"},"usedCalls":{"type":"integer"}},"type":"object"}},"verifyPayment":{"method":"GET","url":"/api/payments/{paymentId}","responseSchema":{"properties":{"amountCents":{"type":"integer"},"amountMicros":{"type":"integer"},"billingMode":{"type":"string"},"clientId":{"type":"string"},"currency":{"type":"string"},"expiresAt":{"format":"date-time","type":"string"},"internalServiceId":{"description":"Legacy internal service id, included only for backward compatibility.","type":"string"},"maxCalls":{"type":"integer"},"paidAt":{"format":"date-time","type":"string"},"payTo":{"type":"string"},"paymentId":{"type":"string"},"provider":{"type":"string"},"providerId":{"type":"string"},"remainingCalls":{"type":"integer"},"serviceId":{"description":"Canonical public service id.","type":"string"},"status":{"type":"string"},"token":{"type":"string"},"usedCalls":{"type":"integer"}},"type":"object"}},"token":{"header":"X-Payment-Token","mcpArgument":"paymentToken","httpUsage":"Send the paid token in the X-Payment-Token request header when calling /api/tools/*.","mcpUsage":"Pass the paid token as the paymentToken argument when calling the MCP tool."},"requiredResponse":{"status":402,"contentType":"application/json","headers":{"PAYMENT-REQUIRED":"base64/json x402PaymentRequired","PAYMENT-SIGNATURE":"base64/json x402 Base USDC payment payload","X-Payment-Required":"true","X-Payment-Token":"payment.token","X402-Guarantee":"base64url/json Xiao Coin escrow guarantee"},"bodySchema":{"properties":{"accepts":{"items":{"type":"object"},"type":"array"},"error":{"type":"string"},"extensions":{"type":"object"},"payment":{"properties":{"amountCents":{"type":"integer"},"amountMicros":{"type":"integer"},"billingMode":{"type":"string"},"clientId":{"type":"string"},"currency":{"type":"string"},"expiresAt":{"format":"date-time","type":"string"},"internalServiceId":{"description":"Legacy internal service id, included only for backward compatibility.","type":"string"},"maxCalls":{"type":"integer"},"paidAt":{"format":"date-time","type":"string"},"payTo":{"type":"string"},"paymentId":{"type":"string"},"provider":{"type":"string"},"providerId":{"type":"string"},"remainingCalls":{"type":"integer"},"serviceId":{"description":"Canonical public service id.","type":"string"},"status":{"type":"string"},"token":{"type":"string"},"usedCalls":{"type":"integer"}},"type":"object"},"paymentFlow":{"type":"object"},"resource":{"type":"object"},"retry":{"type":"object"},"type":{"const":"payment_required","type":"string"},"x402Version":{"type":"integer"}},"required":["type","error","payment","paymentFlow","retry"],"type":"object"},"x402Version":2,"x402Header":"PAYMENT-REQUIRED","paymentAsset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","paymentNetwork":"eip155:8453"},"retry":{"when":"Retry after paying one accepts[] requirement with Base USDC x402, Xiao Coin AI wallet escrow, or after payment.status is paid and the legacy token has remaining calls.","http":["Preferred x402 flow: call the paid /api/tools/* endpoint once and read accepts[] from the HTTP 402 response body or PAYMENT-REQUIRED header.","Pay one accepts[] requirement with an x402-compatible wallet/facilitator on network eip155:8453 using Base USDC.","Retry the exact same request with PAYMENT-SIGNATURE set to the base64 JSON x402 payment payload.","XIAO flow: pay the accepts[] requirement where asset=XIAO with the AI wallet, then retry the exact same request with X402-Guarantee set to the base64url guarantee JSON.","Legacy token flow: POST /api/payments with serviceId, complete/verify payment, then retry with X-Payment-Token set to payment.token."],"mcp":["Call the tool without paymentToken to receive payment_required structuredContent.","Preferred x402 clients should pay the accepts[] requirement and call the underlying HTTP endpoint with PAYMENT-SIGNATURE.","XIAO-capable agents should pay the XIAO accepts[] requirement through the AI wallet and call the underlying HTTP endpoint with X402-Guarantee.","Legacy MCP clients can complete or verify payment.paymentId, then call the same MCP tool again with paymentToken set to payment.token."],"examples":{"http402":["curl -i https://example.com/api/tools/timestamp","Read accepts[0].network=eip155:8453, accepts[0].asset=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913, accepts[0].amount, and accepts[0].payTo.","curl -H 'PAYMENT-SIGNATURE: \u003cbase64-json-x402-payment-payload\u003e' https://example.com/api/tools/timestamp"],"legacyToken":["curl -X POST https://example.com/api/payments -H 'Content-Type: application/json' -d '{\"serviceId\":\"timestamp\"}'","curl -H 'X-Payment-Token: \u003cpayment.token\u003e' https://example.com/api/tools/timestamp"],"mcp":["Call tool timestamp with no paymentToken.","After payment is complete, call timestamp again with paymentToken=\u003cpayment.token\u003e."],"xiao":["curl -i https://example.com/api/tools/timestamp","Read the accepts[] entry with asset=XIAO, create an AI wallet guarantee for merchant_id=aivps.lat and merchant_order_id=payment.paymentId.","curl -H 'X402-Guarantee: \u003cbase64url-guarantee-json\u003e' https://example.com/api/tools/timestamp"]},"failures":["payment required","payment token expired","payment token has no remaining calls","api key required","api key is not allowed to call this service"]}},"paymentHint":"Call POST /api/tools/ai-regex-generator once to receive HTTP 402 with accepts[] requirements, or create a payment with POST /api/payments using serviceId=\"ai-regex-generator\". Pay Base USDC with PAYMENT-SIGNATURE or pay XIAO with X402-Guarantee, then retry the same request.","retryHint":"If the service returns HTTP 402, pay one accepts[] requirement, then retry with PAYMENT-SIGNATURE for Base USDC, X402-Guarantee for Xiao Coin, or X-Payment-Token: payment.token for legacy token flow.","requiredState":"published, enabled"},"complexity":"moderate","typicalResponseTime":"3s","cacheable":false,"idempotent":true,"outputFormat":"json","requiredContext":["task input","bailian-api-key"],"errorExamples":[{"input":{},"error":"match_examples is required","statusCode":400}],"sla":{"uptime":"99.5%","maxLatency":"45000ms"},"matchScore":45,"matchTerms":["ai","data"],"why":"Matched ai, data for \"AI Regex Generator\". Price is USD 0.005 per policy bailian-qwen-light.","whyMatched":"Matched ai, data for \"AI Regex Generator\". Price is USD 0.005 per policy bailian-qwen-light."},{"id":"ai-intent-classifier","canonicalId":"ai-intent-classifier","name":"AI Intent Classifier","displayName":"AI Intent Classifier","description":"Classifies user text into intents, entities, urgency, routing hints, and next actions. Paid x402 Bailian/Qwen service. Call with the declared JSON schema; unpaid calls return HTTP 402 before model execution.","descriptionForModel":"Classifies user text into intents, entities, urgency, routing hints, and next actions. Paid x402 Bailian/Qwen service. Call with the declared JSON schema; unpaid calls return HTTP 402 before model execution.","category":"ai-models","keywords":["ai-intent-classifier","AI Intent Classifier","bailian","qwen","dashscope","llm","ai model","ai agent","paid ai api","classification","routing","intent","entities","sentiment","support","semantic:intent-classification","output:labels"],"useCases":["Call Alibaba Cloud Bailian/Qwen through a paid HTTP 402 API.","Use this service when an AI agent needs classifies user text into intents, entities, urgency, routing hints, and next actions.","Return machine-readable JSON for downstream automation."],"limitations":["Does not browse live web data; provide source context explicitly.","Requires BAILIAN_API_KEY or DASHSCOPE_API_KEY on the server."],"tags":["paid","x402","usdc","base","bailian","qwen","llm","ai-model","model-service","classification","routing","intent","entities","sentiment","support","semantic:intent-classification","output:labels"],"method":"POST","endpoint":"/api/tools/ai-intent-classifier","endpointAliases":["/api/tools/ai-intent-classifier"],"inputTypes":["object","string"],"outputTypes":["object","string"],"inputSchema":{"additionalProperties":true,"properties":{"context":{"description":"Optional supporting context, source text, constraints, or background.","type":"string"},"language":{"description":"Optional output language or locale.","type":"string"},"text":{"description":"Required input field text.","type":"string"}},"required":["text"],"type":"object"},"outputSchema":{"additionalProperties":true,"properties":{"model":{"type":"string"},"provider":{"type":"string"},"result":{"additionalProperties":true,"type":"object"},"service_id":{"type":"string"},"status":{"type":"string"},"upstream_id":{"type":"string"},"upstream_request_id":{"type":"string"},"usage":{"additionalProperties":true,"type":"object"}},"required":["status","service_id","result"],"type":"object"},"exampleRequest":{"text":"The customer asked for an OCR API with HTTP 402 payment support."},"exampleResponse":{"model":"qwen-plus","provider":"aliyun-bailian","result":{"summary":"Example structured result."},"service_id":"ai-intent-classifier","status":"ok"},"pricing":{"amountCents":0,"amountMicros":5000,"currency":"USD","policyId":"bailian-qwen-light","settleMode":"settle_first","billingMode":"per_call","maxCalls":1,"allowReuse":false,"bindClient":true},"payment":{"providerId":"x402-base-usdc","provider":"x402_facilitator"},"quality":{"qualityScore":43,"healthStatus":"","latencyMs":17,"successRate":1,"callCount":3,"executionCount":3,"successCount":3,"errorCount":0,"paymentRequireds":0,"lastCallAt":"2026-07-21T21:18:58Z"},"discovery":{"toolName":"ai_intent_classifier","searchText":"ai-intent-classifier AI Intent Classifier Classifies user text into intents, entities, urgency, routing hints, and next actions. Paid x402 Bailian/Qwen service. Call with the declared JSON schema; unpaid calls return HTTP 402 before model execution. Classifies user text into intents, entities, urgency, routing hints, and next actions. Paid x402 Bailian/Qwen service. Call with the declared JSON schema; unpaid calls return HTTP 402 before model execution. ai-models object string object string paid x402 usdc base bailian qwen llm ai-model model-service classification routing intent entities sentiment support semantic:intent-classification output:labels ai-intent-classifier AI Intent Classifier bailian qwen dashscope llm ai model ai agent paid ai api classification routing intent entities sentiment support semantic:intent-classification output:labels Call Alibaba Cloud Bailian/Qwen through a paid HTTP 402 API. Use this service when an AI agent needs classifies user text into intents, entities, urgency, routing hints, and next actions. Return machine-readable JSON for downstream automation. Does not browse live web data; provide source context explicitly. Requires BAILIAN_API_KEY or DASHSCOPE_API_KEY on the server. /api/tools/ai-intent-classifier","aliases":["AI Intent Classifier","ai-models","paid","x402","usdc","base","bailian","qwen","llm","ai-model","model-service","classification","routing","intent","entities","sentiment","support","semantic:intent-classification","output:labels","ai-intent-classifier","dashscope","ai model","ai agent","paid ai api","ai_intent_classifier","/api/tools/ai-intent-classifier"],"localeHints":["en"],"useCases":["Call Alibaba Cloud Bailian/Qwen through a paid HTTP 402 API.","Use this service when an AI agent needs classifies user text into intents, entities, urgency, routing hints, and next actions.","Return machine-readable JSON for downstream automation."],"limitations":["Does not browse live web data; provide source context explicitly.","Requires BAILIAN_API_KEY or DASHSCOPE_API_KEY on the server."],"paymentFlow":{"type":"http-402","createPayment":{"method":"POST","url":"/api/payments","bodySchema":{"properties":{"providerId":{"type":"string"},"serviceId":{"description":"Use the canonical service id from the catalog. Legacy internal ids remain accepted for backward compatibility.","type":"string"}},"required":["serviceId"],"type":"object"},"responseSchema":{"properties":{"amountCents":{"type":"integer"},"amountMicros":{"type":"integer"},"billingMode":{"type":"string"},"clientId":{"type":"string"},"currency":{"type":"string"},"expiresAt":{"format":"date-time","type":"string"},"internalServiceId":{"description":"Legacy internal service id, included only for backward compatibility.","type":"string"},"maxCalls":{"type":"integer"},"paidAt":{"format":"date-time","type":"string"},"payTo":{"type":"string"},"paymentId":{"type":"string"},"provider":{"type":"string"},"providerId":{"type":"string"},"remainingCalls":{"type":"integer"},"serviceId":{"description":"Canonical public service id.","type":"string"},"status":{"type":"string"},"token":{"type":"string"},"usedCalls":{"type":"integer"}},"type":"object"}},"verifyPayment":{"method":"GET","url":"/api/payments/{paymentId}","responseSchema":{"properties":{"amountCents":{"type":"integer"},"amountMicros":{"type":"integer"},"billingMode":{"type":"string"},"clientId":{"type":"string"},"currency":{"type":"string"},"expiresAt":{"format":"date-time","type":"string"},"internalServiceId":{"description":"Legacy internal service id, included only for backward compatibility.","type":"string"},"maxCalls":{"type":"integer"},"paidAt":{"format":"date-time","type":"string"},"payTo":{"type":"string"},"paymentId":{"type":"string"},"provider":{"type":"string"},"providerId":{"type":"string"},"remainingCalls":{"type":"integer"},"serviceId":{"description":"Canonical public service id.","type":"string"},"status":{"type":"string"},"token":{"type":"string"},"usedCalls":{"type":"integer"}},"type":"object"}},"token":{"header":"X-Payment-Token","mcpArgument":"paymentToken","httpUsage":"Send the paid token in the X-Payment-Token request header when calling /api/tools/*.","mcpUsage":"Pass the paid token as the paymentToken argument when calling the MCP tool."},"requiredResponse":{"status":402,"contentType":"application/json","headers":{"PAYMENT-REQUIRED":"base64/json x402PaymentRequired","PAYMENT-SIGNATURE":"base64/json x402 Base USDC payment payload","X-Payment-Required":"true","X-Payment-Token":"payment.token","X402-Guarantee":"base64url/json Xiao Coin escrow guarantee"},"bodySchema":{"properties":{"accepts":{"items":{"type":"object"},"type":"array"},"error":{"type":"string"},"extensions":{"type":"object"},"payment":{"properties":{"amountCents":{"type":"integer"},"amountMicros":{"type":"integer"},"billingMode":{"type":"string"},"clientId":{"type":"string"},"currency":{"type":"string"},"expiresAt":{"format":"date-time","type":"string"},"internalServiceId":{"description":"Legacy internal service id, included only for backward compatibility.","type":"string"},"maxCalls":{"type":"integer"},"paidAt":{"format":"date-time","type":"string"},"payTo":{"type":"string"},"paymentId":{"type":"string"},"provider":{"type":"string"},"providerId":{"type":"string"},"remainingCalls":{"type":"integer"},"serviceId":{"description":"Canonical public service id.","type":"string"},"status":{"type":"string"},"token":{"type":"string"},"usedCalls":{"type":"integer"}},"type":"object"},"paymentFlow":{"type":"object"},"resource":{"type":"object"},"retry":{"type":"object"},"type":{"const":"payment_required","type":"string"},"x402Version":{"type":"integer"}},"required":["type","error","payment","paymentFlow","retry"],"type":"object"},"x402Version":2,"x402Header":"PAYMENT-REQUIRED","paymentAsset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","paymentNetwork":"eip155:8453"},"retry":{"when":"Retry after paying one accepts[] requirement with Base USDC x402, Xiao Coin AI wallet escrow, or after payment.status is paid and the legacy token has remaining calls.","http":["Preferred x402 flow: call the paid /api/tools/* endpoint once and read accepts[] from the HTTP 402 response body or PAYMENT-REQUIRED header.","Pay one accepts[] requirement with an x402-compatible wallet/facilitator on network eip155:8453 using Base USDC.","Retry the exact same request with PAYMENT-SIGNATURE set to the base64 JSON x402 payment payload.","XIAO flow: pay the accepts[] requirement where asset=XIAO with the AI wallet, then retry the exact same request with X402-Guarantee set to the base64url guarantee JSON.","Legacy token flow: POST /api/payments with serviceId, complete/verify payment, then retry with X-Payment-Token set to payment.token."],"mcp":["Call the tool without paymentToken to receive payment_required structuredContent.","Preferred x402 clients should pay the accepts[] requirement and call the underlying HTTP endpoint with PAYMENT-SIGNATURE.","XIAO-capable agents should pay the XIAO accepts[] requirement through the AI wallet and call the underlying HTTP endpoint with X402-Guarantee.","Legacy MCP clients can complete or verify payment.paymentId, then call the same MCP tool again with paymentToken set to payment.token."],"examples":{"http402":["curl -i https://example.com/api/tools/timestamp","Read accepts[0].network=eip155:8453, accepts[0].asset=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913, accepts[0].amount, and accepts[0].payTo.","curl -H 'PAYMENT-SIGNATURE: \u003cbase64-json-x402-payment-payload\u003e' https://example.com/api/tools/timestamp"],"legacyToken":["curl -X POST https://example.com/api/payments -H 'Content-Type: application/json' -d '{\"serviceId\":\"timestamp\"}'","curl -H 'X-Payment-Token: \u003cpayment.token\u003e' https://example.com/api/tools/timestamp"],"mcp":["Call tool timestamp with no paymentToken.","After payment is complete, call timestamp again with paymentToken=\u003cpayment.token\u003e."],"xiao":["curl -i https://example.com/api/tools/timestamp","Read the accepts[] entry with asset=XIAO, create an AI wallet guarantee for merchant_id=aivps.lat and merchant_order_id=payment.paymentId.","curl -H 'X402-Guarantee: \u003cbase64url-guarantee-json\u003e' https://example.com/api/tools/timestamp"]},"failures":["payment required","payment token expired","payment token has no remaining calls","api key required","api key is not allowed to call this service"]}},"paymentHint":"Call POST /api/tools/ai-intent-classifier once to receive HTTP 402 with accepts[] requirements, or create a payment with POST /api/payments using serviceId=\"ai-intent-classifier\". 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Paid x402 Bailian/Qwen service. Call with the declared JSON schema; unpaid calls return HTTP 402 before model execution.","endpoint":"/api/tools/ai-general-answer","method":"POST","auth_type":"api_key + x402_facilitator http_402","billing_method":"per_call","pricing":{"amountCents":0,"amountMicros":5000,"currency":"USD","policyId":"bailian-qwen-light","settleMode":"settle_first","billingMode":"per_call","maxCalls":1,"allowReuse":false,"bindClient":true},"input_schema":{"additionalProperties":true,"properties":{"context":{"description":"Optional supporting context, source text, constraints, or background.","type":"string"},"language":{"description":"Optional output language or locale.","type":"string"},"question":{"description":"Required input field question.","type":"string"}},"required":["question"],"type":"object"},"output_schema":{"additionalProperties":true,"properties":{"model":{"type":"string"},"provider":{"type":"string"},"result":{"additionalProperties":true,"type":"object"},"service_id":{"type":"string"},"status":{"type":"string"},"upstream_id":{"type":"string"},"upstream_request_id":{"type":"string"},"usage":{"additionalProperties":true,"type":"object"}},"required":["status","service_id","result"],"type":"object"},"tags":["paid","x402","usdc","base","bailian","qwen","llm","ai-model","model-service","question-answering","qa","reasoning","assistant","semantic:general-answer","intent:answer-question","output:answer"],"category":"ai-models"}],"demandCapture":{"queryRecorded":true,"demandBearing":true,"status":"published-and-planned-candidates","recommendedAction":"compare-published-services-and-request-missing-fit","message":"Published services and planned API candidates both matched. Prefer a published callable service when it fits; otherwise request early access for the planned candidate that better matches the task.","matchedPlannedServices":[{"id":"ad-extraction-api","name":"Ad Extraction API","category":"营销工具","availability":"可新增","status":"planned / early-access","servicePage":"https://x402vip.com/services/ad-extraction-api","llmsText":"https://x402vip.com/services/ad-extraction-api/llms.txt","requestAccessUrl":"https://x402vip.com/api/planned-services/request-access","candidateApiPaths":["https://x402vip.com/api/ad-extraction","https://x402vip.com/api/ad/extraction","https://x402vip.com/api/tools/ad-extraction","https://x402vip.com/api/tools/ad-extraction-api"],"keywords":["ad-extraction-api","ad-extraction","ad extraction","Ad Extraction API","Ad Extraction","Extraction Ad","ad","extraction ad","ad extract","extract ad","ad data extraction","data extraction ad","ad 提取","提取 ad","ad 抽取","抽取 ad","advertising","advertising extraction","extraction advertising","advertising extract","extract advertising","advertising data extraction","data extraction advertising","advertising 提取","提取 advertising","advertising 抽取","抽取 advertising","广告","广告 extraction","extraction 广告","广告 extract","extract 广告","广告 data extraction","data extraction 广告","广告 提取","提取 广告","广告 抽取","抽取 广告"],"matchRank":1,"matchReason":"Search query matched this planned demand candidate; request-access and candidate path visits are aggregated for launch prioritization."}],"requestAccessUrl":"https://x402vip.com/api/planned-services/request-access","requestAccessBody":{"query":"ai-data-cleaning-advisor","serviceId":"ad-extraction-api","task":"Describe the exact input data, desired output schema, freshness, volume, budget, and whether a published service failed to fit.","useCase":"AI/Agent searched for: ai-data-cleaning-advisor"},"plannedCatalogUrl":"https://x402vip.com/api/demand-capture","notes":["Every non-admin /api/catalog/search?q=... request is appended to natural_traffic.jsonl and aggregated in /api/admin/demand-intents.","Submitting requestAccessBody adds a stronger commercial/early-access signal than search alone.","Planned API candidates are not callable yet; use /api/catalog services for currently callable paid APIs."]},"nextActions":["Inspect services[].inputSchema, services[].outputSchema, services[].pricing, and services[].discovery.paymentFlow.","Call the selected /api/tools/* endpoint once without payment to receive HTTP 402 payment requirements, then retry after payment.","If services are missing or too broad, inspect demandCapture.matchedPlannedServices.","POST demandCapture.requestAccessBody to demandCapture.requestAccessUrl to record a stronger early-access demand signal."],"payment":{"paymentHeader":"X-Payment-Token","createPayment":"/api/payments","verifyPayment":"/api/payments/{paymentId}","token":{"header":"X-Payment-Token","mcpArgument":"paymentToken","httpUsage":"Send the paid token in the X-Payment-Token request header when calling /api/tools/*.","mcpUsage":"Pass the paid token as the paymentToken argument when calling the MCP tool."},"requiredResponse":{"status":402,"contentType":"application/json","headers":{"PAYMENT-REQUIRED":"base64/json x402PaymentRequired","PAYMENT-SIGNATURE":"base64/json x402 Base USDC payment payload","X-Payment-Required":"true","X-Payment-Token":"payment.token","X402-Guarantee":"base64url/json Xiao Coin escrow guarantee"},"bodySchema":{"properties":{"accepts":{"items":{"type":"object"},"type":"array"},"error":{"type":"string"},"extensions":{"type":"object"},"payment":{"properties":{"amountCents":{"type":"integer"},"amountMicros":{"type":"integer"},"billingMode":{"type":"string"},"clientId":{"type":"string"},"currency":{"type":"string"},"expiresAt":{"format":"date-time","type":"string"},"internalServiceId":{"description":"Legacy internal service id, included only for backward compatibility.","type":"string"},"maxCalls":{"type":"integer"},"paidAt":{"format":"date-time","type":"string"},"payTo":{"type":"string"},"paymentId":{"type":"string"},"provider":{"type":"string"},"providerId":{"type":"string"},"remainingCalls":{"type":"integer"},"serviceId":{"description":"Canonical public service id.","type":"string"},"status":{"type":"string"},"token":{"type":"string"},"usedCalls":{"type":"integer"}},"type":"object"},"paymentFlow":{"type":"object"},"resource":{"type":"object"},"retry":{"type":"object"},"type":{"const":"payment_required","type":"string"},"x402Version":{"type":"integer"}},"required":["type","error","payment","paymentFlow","retry"],"type":"object"},"x402Version":2,"x402Header":"PAYMENT-REQUIRED","paymentAsset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","paymentNetwork":"eip155:8453"},"retry":{"when":"Retry after paying one accepts[] requirement with Base USDC x402, Xiao Coin AI wallet escrow, or after payment.status is paid and the legacy token has remaining calls.","http":["Preferred x402 flow: call the paid /api/tools/* endpoint once and read accepts[] from the HTTP 402 response body or PAYMENT-REQUIRED header.","Pay one accepts[] requirement with an x402-compatible wallet/facilitator on network eip155:8453 using Base USDC.","Retry the exact same request with PAYMENT-SIGNATURE set to the base64 JSON x402 payment payload.","XIAO flow: pay the accepts[] requirement where asset=XIAO with the AI wallet, then retry the exact same request with X402-Guarantee set to the base64url guarantee JSON.","Legacy token flow: POST /api/payments with serviceId, complete/verify payment, then retry with X-Payment-Token set to payment.token."],"mcp":["Call the tool without paymentToken to receive payment_required structuredContent.","Preferred x402 clients should pay the accepts[] requirement and call the underlying HTTP endpoint with PAYMENT-SIGNATURE.","XIAO-capable agents should pay the XIAO accepts[] requirement through the AI wallet and call the underlying HTTP endpoint with X402-Guarantee.","Legacy MCP clients can complete or verify payment.paymentId, then call the same MCP tool again with paymentToken set to payment.token."],"examples":{"http402":["curl -i https://example.com/api/tools/timestamp","Read accepts[0].network=eip155:8453, accepts[0].asset=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913, accepts[0].amount, and accepts[0].payTo.","curl -H 'PAYMENT-SIGNATURE: \u003cbase64-json-x402-payment-payload\u003e' https://example.com/api/tools/timestamp"],"legacyToken":["curl -X POST https://example.com/api/payments -H 'Content-Type: application/json' -d '{\"serviceId\":\"timestamp\"}'","curl -H 'X-Payment-Token: \u003cpayment.token\u003e' https://example.com/api/tools/timestamp"],"mcp":["Call tool timestamp with no paymentToken.","After payment is complete, call timestamp again with paymentToken=\u003cpayment.token\u003e."],"xiao":["curl -i https://example.com/api/tools/timestamp","Read the accepts[] entry with asset=XIAO, create an AI wallet guarantee for merchant_id=aivps.lat and merchant_order_id=payment.paymentId.","curl -H 'X402-Guarantee: \u003cbase64url-guarantee-json\u003e' https://example.com/api/tools/timestamp"]},"failures":["payment required","payment token expired","payment token has no remaining calls","api key required","api key is not allowed to call this service"]},"flow":{"type":"http-402","createPayment":{"method":"POST","url":"/api/payments","bodySchema":{"properties":{"providerId":{"type":"string"},"serviceId":{"description":"Use the canonical service id from the catalog. Legacy internal ids remain accepted for backward compatibility.","type":"string"}},"required":["serviceId"],"type":"object"},"responseSchema":{"properties":{"amountCents":{"type":"integer"},"amountMicros":{"type":"integer"},"billingMode":{"type":"string"},"clientId":{"type":"string"},"currency":{"type":"string"},"expiresAt":{"format":"date-time","type":"string"},"internalServiceId":{"description":"Legacy internal service id, included only for backward compatibility.","type":"string"},"maxCalls":{"type":"integer"},"paidAt":{"format":"date-time","type":"string"},"payTo":{"type":"string"},"paymentId":{"type":"string"},"provider":{"type":"string"},"providerId":{"type":"string"},"remainingCalls":{"type":"integer"},"serviceId":{"description":"Canonical public service id.","type":"string"},"status":{"type":"string"},"token":{"type":"string"},"usedCalls":{"type":"integer"}},"type":"object"}},"verifyPayment":{"method":"GET","url":"/api/payments/{paymentId}","responseSchema":{"properties":{"amountCents":{"type":"integer"},"amountMicros":{"type":"integer"},"billingMode":{"type":"string"},"clientId":{"type":"string"},"currency":{"type":"string"},"expiresAt":{"format":"date-time","type":"string"},"internalServiceId":{"description":"Legacy internal service id, included only for backward compatibility.","type":"string"},"maxCalls":{"type":"integer"},"paidAt":{"format":"date-time","type":"string"},"payTo":{"type":"string"},"paymentId":{"type":"string"},"provider":{"type":"string"},"providerId":{"type":"string"},"remainingCalls":{"type":"integer"},"serviceId":{"description":"Canonical public service id.","type":"string"},"status":{"type":"string"},"token":{"type":"string"},"usedCalls":{"type":"integer"}},"type":"object"}},"token":{"header":"X-Payment-Token","mcpArgument":"paymentToken","httpUsage":"Send the paid token in the X-Payment-Token request header when calling /api/tools/*.","mcpUsage":"Pass the paid token as the paymentToken argument when calling the MCP tool."},"requiredResponse":{"status":402,"contentType":"application/json","headers":{"PAYMENT-REQUIRED":"base64/json x402PaymentRequired","PAYMENT-SIGNATURE":"base64/json x402 Base USDC payment payload","X-Payment-Required":"true","X-Payment-Token":"payment.token","X402-Guarantee":"base64url/json Xiao Coin escrow guarantee"},"bodySchema":{"properties":{"accepts":{"items":{"type":"object"},"type":"array"},"error":{"type":"string"},"extensions":{"type":"object"},"payment":{"properties":{"amountCents":{"type":"integer"},"amountMicros":{"type":"integer"},"billingMode":{"type":"string"},"clientId":{"type":"string"},"currency":{"type":"string"},"expiresAt":{"format":"date-time","type":"string"},"internalServiceId":{"description":"Legacy internal service id, included only for backward compatibility.","type":"string"},"maxCalls":{"type":"integer"},"paidAt":{"format":"date-time","type":"string"},"payTo":{"type":"string"},"paymentId":{"type":"string"},"provider":{"type":"string"},"providerId":{"type":"string"},"remainingCalls":{"type":"integer"},"serviceId":{"description":"Canonical public service id.","type":"string"},"status":{"type":"string"},"token":{"type":"string"},"usedCalls":{"type":"integer"}},"type":"object"},"paymentFlow":{"type":"object"},"resource":{"type":"object"},"retry":{"type":"object"},"type":{"const":"payment_required","type":"string"},"x402Version":{"type":"integer"}},"required":["type","error","payment","paymentFlow","retry"],"type":"object"},"x402Version":2,"x402Header":"PAYMENT-REQUIRED","paymentAsset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","paymentNetwork":"eip155:8453"},"retry":{"when":"Retry after paying one accepts[] requirement with Base USDC x402, Xiao Coin AI wallet escrow, or after payment.status is paid and the legacy token has remaining calls.","http":["Preferred x402 flow: call the paid /api/tools/* endpoint once and read accepts[] from the HTTP 402 response body or PAYMENT-REQUIRED header.","Pay one accepts[] requirement with an x402-compatible wallet/facilitator on network eip155:8453 using Base USDC.","Retry the exact same request with PAYMENT-SIGNATURE set to the base64 JSON x402 payment payload.","XIAO flow: pay the accepts[] requirement where asset=XIAO with the AI wallet, then retry the exact same request with X402-Guarantee set to the base64url guarantee JSON.","Legacy token flow: POST /api/payments with serviceId, complete/verify payment, then retry with X-Payment-Token set to payment.token."],"mcp":["Call the tool without paymentToken to receive payment_required structuredContent.","Preferred x402 clients should pay the accepts[] requirement and call the underlying HTTP endpoint with PAYMENT-SIGNATURE.","XIAO-capable agents should pay the XIAO accepts[] requirement through the AI wallet and call the underlying HTTP endpoint with X402-Guarantee.","Legacy MCP clients can complete or verify payment.paymentId, then call the same MCP tool again with paymentToken set to payment.token."],"examples":{"http402":["curl -i https://example.com/api/tools/timestamp","Read accepts[0].network=eip155:8453, accepts[0].asset=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913, accepts[0].amount, and accepts[0].payTo.","curl -H 'PAYMENT-SIGNATURE: \u003cbase64-json-x402-payment-payload\u003e' https://example.com/api/tools/timestamp"],"legacyToken":["curl -X POST https://example.com/api/payments -H 'Content-Type: application/json' -d '{\"serviceId\":\"timestamp\"}'","curl -H 'X-Payment-Token: \u003cpayment.token\u003e' https://example.com/api/tools/timestamp"],"mcp":["Call tool timestamp with no paymentToken.","After payment is complete, call timestamp again with paymentToken=\u003cpayment.token\u003e."],"xiao":["curl -i https://example.com/api/tools/timestamp","Read the accepts[] entry with asset=XIAO, create an AI wallet guarantee for merchant_id=aivps.lat and merchant_order_id=payment.paymentId.","curl -H 'X402-Guarantee: \u003cbase64url-guarantee-json\u003e' https://example.com/api/tools/timestamp"]},"failures":["payment required","payment token expired","payment token has no remaining calls","api key required","api key is not allowed to call this service"]}}}}