Paid API service

OCR API

Recognize printed text from a public image URL. Use this OCR API for generic OCR, receipt OCR, invoice OCR, screenshots, and document images; pass optional language and layout hints when the schema supports them.

Invocation

Service ID: ocr-api
Method: POST
Endpoint: /api/tools/ocr-api
Legacy Endpoint: /api/tools/aliyun-ocr-api
MCP Tool: ocr_api
Price: USD 0.01

Payment

Call the endpoint without payment to receive HTTP 402 metadata. After payment is complete, retry with X-Payment-Token, an x402 payment signature, or MCP paymentToken.

Call POST /api/tools/ocr-api once to receive HTTP 402 with accepts[] requirements, or create a payment with POST /api/payments using serviceId="ocr-api". Pay Base USDC with PAYMENT-SIGNATURE or pay XIAO with X402-Guarantee, then retry the same request.

Schema And Examples

{
  "exampleRequest": {
    "imageUrl": "https://tesseract.projectnaptha.com/img/eng_bw.png",
    "languages": [
      "eng",
      "chn"
    ],
    "needRotate": false,
    "needSortPage": false,
    "outputCharInfo": false,
    "outputTable": false
  },
  "exampleResponse": {
    "code": "200",
    "content": "PACKING Shipper/Export Invoice No \u0026 Date",
    "data": {
      "content": "PACKING Shipper/Export Invoice No \u0026 Date"
    },
    "message": "success",
    "requestId": "example-request-id"
  },
  "inputSchema": {
    "properties": {
      "imageUrl": {
        "format": "uri",
        "type": "string"
      },
      "languages": {
        "items": {
          "type": "string"
        },
        "type": "array"
      },
      "needRotate": {
        "type": "boolean"
      },
      "needSortPage": {
        "type": "boolean"
      },
      "outputCharInfo": {
        "type": "boolean"
      },
      "outputTable": {
        "type": "boolean"
      }
    },
    "required": [
      "imageUrl"
    ],
    "type": "object"
  },
  "outputSchema": {
    "properties": {
      "code": {
        "type": "string"
      },
      "content": {
        "type": "string"
      },
      "data": {
        "type": "object"
      },
      "message": {
        "type": "string"
      },
      "requestId": {
        "type": "string"
      }
    },
    "required": [
      "requestId",
      "content",
      "data"
    ],
    "type": "object"
  }
}