{"callable":true,"canonicalCall":{"contentType":"application/json","endpoint":"https://x402vip.com/api/tools/face-database-list-entities","method":"POST"},"links":{"catalogSearch":"https://x402vip.com/api/catalog/search?q=face-database-list-entities","catalogSummary":"https://x402vip.com/api/catalog.summary.json","mcp":"https://x402vip.com/mcp","openapi":"https://x402vip.com/api/catalog/openapi.json","serviceLLMs":"https://x402vip.com/services/face-database-list-entities/llms.txt"},"message":"This GET/HEAD response is a no-payment discovery probe. Use the declared method to receive HTTP 402 payment requirements, then retry the same request after payment.","nextActions":["If this service matches the task, call the canonical endpoint with the declared method and valid JSON input to receive HTTP 402 payment requirements.","If this service is not a fit, search /api/catalog/search?q=\u003ctask\u003e and inspect services[].whyMatched before choosing a tool.","If no published service fits, submit /api/agent-demand or POST /api/planned-services/request-access for a planned candidate."],"payment":{"flow":{"type":"http-402","createPayment":{"method":"POST","url":"https://x402vip.com/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":"https://x402vip.com/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"]}},"paymentHeader":"X-Payment-Token","provider":"x402_facilitator","providerId":"x402-base-usdc","x402Header":"PAYMENT-SIGNATURE"},"pricing":{"amountCents":20,"amountMicros":200000,"currency":"USD","policyId":"aliyun-viapi","settleMode":"settle_first","billingMode":"per_call","maxCalls":1,"allowReuse":false,"bindClient":true},"schemaVersion":"server402.service-discovery.v1","schemas":{"input":{"description":"Use Alibaba Cloud RPC parameter names exactly, for example ImageURL, ImageUrl, Url, URL, JobId, or Tasks depending on the service.","properties":{"DbName":{"description":"Alibaba Cloud face database or template identifier.","type":"string"},"EntityIdPrefix":{"description":"Alibaba Cloud RPC parameter EntityIdPrefix.","type":"string"},"Labels":{"description":"Alibaba Cloud RPC parameter Labels.","type":"string"},"Limit":{"description":"Alibaba Cloud RPC parameter Limit.","type":"number"},"Offset":{"description":"Alibaba Cloud RPC parameter Offset.","type":"number"},"Order":{"description":"Alibaba Cloud RPC parameter Order.","type":"string"},"Token":{"description":"Alibaba Cloud RPC parameter Token.","type":"string"}},"required":["DbName"],"type":"object"},"inputUrl":"https://x402vip.com/schemas/services/face-database-list-entities/invoke.input.schema.json","output":{"properties":{"code":{"type":"string"},"content":{"type":"string"},"data":{"type":"object"},"message":{"type":"string"},"requestId":{"type":"string"}},"required":["requestId","data"],"type":"object"},"outputUrl":"https://x402vip.com/schemas/services/face-database-list-entities/invoke.output.schema.json"},"service":{"id":"face-database-list-entities","name":"List Face Entities Face And Body Analysis","description":"Use this visual AI API when the task needs the visual analysis task described by action 分页列出人脸数据库中的实体。. Send the schema keys exactly as listed (DbName, EntityIdPrefix, Labels, Limit, Offset, Order, Token); required parameters: DbName.","endpoint":"/api/tools/face-database-list-entities","method":"POST","auth_type":"api_key + x402_facilitator http_402","billing_method":"per_call","pricing":{"amountCents":20,"amountMicros":200000,"currency":"USD","policyId":"aliyun-viapi","settleMode":"settle_first","billingMode":"per_call","maxCalls":1,"allowReuse":false,"bindClient":true},"input_schema":{"description":"Use Alibaba Cloud RPC parameter names exactly, for example ImageURL, ImageUrl, Url, URL, JobId, or Tasks depending on the service.","properties":{"DbName":{"description":"Alibaba Cloud face database or template identifier.","type":"string"},"EntityIdPrefix":{"description":"Alibaba Cloud RPC parameter EntityIdPrefix.","type":"string"},"Labels":{"description":"Alibaba Cloud RPC parameter Labels.","type":"string"},"Limit":{"description":"Alibaba Cloud RPC parameter Limit.","type":"number"},"Offset":{"description":"Alibaba Cloud RPC parameter Offset.","type":"number"},"Order":{"description":"Alibaba Cloud RPC parameter Order.","type":"string"},"Token":{"description":"Alibaba Cloud RPC parameter Token.","type":"string"}},"required":["DbName"],"type":"object"},"output_schema":{"properties":{"code":{"type":"string"},"content":{"type":"string"},"data":{"type":"object"},"message":{"type":"string"},"requestId":{"type":"string"}},"required":["requestId","data"],"type":"object"},"tags":["computer-vision","face-body","face-analysis","body-analysis"],"category":"face-body"},"status":"discovery_only","type":"paid_service_discovery"}