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OCR.space Hosted OCR API

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OCR.space Hosted OCR API

OCR.space 官方托管 POST 识别图片/PDF并返回JSON文字及可选坐标/可搜索PDF；需apikey，免费层有月/日IP/文件与页数限制，Engine3另有额度，本次未提交文件。

Source statements below remain in their published language. Collection, contributor reports and a provider's identity are separate; this page does not certify quality, current availability or permission to execute.

Stable ID
cap-804350c56054c0c3b23bf437
Card version
2
Updated
2026-10-24T18:49:05.2569809+00:00
Ownership state
unclaimed
Processing
unknown
Evidence level
unknown
Business execution
unknown

Keep this fixed version · Original public source · Complete machine record

Published description

本次官方文档明确免费托管POST端点 https://api.ocr.space/parse/image，apikey在header，输入为url、multipart file或base64Image三种方式。可选overlay、方向、表格、引擎和可搜索PDF等。默认Engine2；Engine1已退役并重定向Engine2，Engine3有不同语言/精度/速度与额度条件。PRO服务使用另外的、注册后邮件提供的端点；本项不把本地on-prem软件或PRO地址当作免费托管入口。

Inputs

  • apikey header及url/file/base64Image输入方法之一；图像支持PNG/JPG/GIF/TIF/BMP，文档支持PDF。
  • 可选OCREngine（默认2）、language（Engine2/3默认auto）、isOverlayRequired、detectOrientation、scale、isTable。
  • 可选isCreateSearchablePdf及隐藏文字层参数；其他选项按所选引擎/计划核对。

Outputs

  • JSON ParsedResults按图像或PDF页给ParsedText、FileParseExitCode和错误；可选TextOverlay坐标。
  • 顶层OCRExitCode区分全部成功、部分成功、全部失败或处理错误，不能只凭HTTP完成判断全部页成功。
  • 请求可搜索PDF时可给SearchablePDFURL；正文称下载链接有效1小时，之后文件从OCR服务器删除。

Invocation and authentication

Provider's original entry

{
  "authentication": {
    "kind": "api_key",
    "notes": "POST\u6587\u6863\u8981\u6C42header\u540Dapikey\uFF1B\u6CE8\u518C\u53D6\u5F97\u7684\u6709\u6548key\u7531\u4F7F\u7528\u8005\u81EA\u884C\u63D0\u4F9B\u3002\u672C\u9879\u4E0D\u7C98\u8D34\u6587\u6863\u793A\u4F8Bkey\u6216\u4EFB\u4F55\u51ED\u636E\u503C\u3002"
  },
  "command": null,
  "entry_url": "https://api.ocr.space/parse/image",
  "kind": "http_api",
  "method": "POST",
  "request_example": {
    "credential_requirement": "\u4F7F\u7528\u8005\u81EA\u884C\u63D0\u4F9Bapikey",
    "documentation_text": "\u5B98\u65B9POST\u5165\u53E3\uFF08\u672A\u6267\u884C\uFF09\uFF1Ahttps://api.ocr.space/parse/image\uFF1Bheader\u9700apikey\uFF0C\u51ED\u636E\u7531\u4F7F\u7528\u8005\u81EA\u884C\u63D0\u4F9B\uFF1B\u8F93\u5165\u9009url\u3001multipart file\u6216base64Image\u4E4B\u4E00\uFF0C\u4E0D\u5728\u672C\u4F8B\u63D0\u4EA4\u5B9E\u9645\u5A92\u4F53\u3002",
    "input_methods": [
      "url",
      "multipart file",
      "base64Image"
    ],
    "method": "POST",
    "url": "https://api.ocr.space/parse/image"
  },
  "requirements": [
    "\u7531\u4F7F\u7528\u8005\u6CE8\u518C/\u63D0\u4F9B\u9002\u7528\u6258\u7BA1API key\u3002",
    "\u6309\u6587\u6863\u4EE5url\u3001multipart file\u6216base64Image\u63D0\u4F9B\u56FE\u7247/PDF\uFF1B\u672C\u6B21\u672A\u4E0A\u4F20\u3001\u63D0\u4EA4URL\u6216\u7F16\u7801\u5A92\u4F53\u3002",
    "\u9075\u5B88\u8BA1\u5212\u3001\u5F15\u64CE\u3001\u6587\u4EF6\u5927\u5C0F\u548CPDF\u9875\u6570\u9650\u5236\uFF0C\u5E76\u6838\u5BF9\u8F93\u5165content-type\u6216filetype\u8986\u76D6\u3002"
  ]
}

Commands and request examples are documentation only; this page does not execute them. Confirm external installation, disclosure and fees separately.

Third-party pricing and data handling

{
  "model": "free_tier",
  "notes": "\u672C\u6B21\u4EF7\u8868\uFF1AFree\u4E3A25,000\u6B21/\u6708\uFF1BPRO $30/\u6708\u3001PRO PDF $60/\u6708\uFF0C\u5404300,000\u6B21/\u6708\uFF08Engine1/2\u8303\u56F4\uFF09\uFF1B\u6587\u4EF6/\u9875\u6570\u548CEngine3\u989D\u5EA6\u53E6\u9650\u3002Enterprise\u6807$999\u002B/\u6708/Custom\u3002\u514D\u8D39\u65E5IP500\u30011MB\u30013\u9875\uFF1B\u5177\u4F53\u4ED8\u8D39\u6761\u6B3E\u548C\u672A\u6765\u4EF7\u683C\u672A\u72EC\u7ACB\u9A8C\u8BC1\u3002",
  "source_url": "https://ocr.space/ocrapi"
}
{
  "location": "provider_server",
  "notes": "\u6258\u7BA1\u670D\u52A1\u8BFB\u53D6/\u63A5\u6536\u56FE\u7247\u6216PDF\u5E76OCR\u3002\u6B63\u6587\u6709\u4E0D\u4FDD\u5B58OCR\u6587\u6863\u4FE1\u606F\u7684\u63D0\u4F9B\u8005\u58F0\u660E\uFF0C\u53E6\u660E\u786E\u751F\u6210\u7684SearchablePDFURL\u4E00\u5C0F\u65F6\u6709\u6548\u540E\u5220\u9664\uFF1B\u4E0D\u80FD\u5C06\u5176\u6269\u5927\u4E3A\u6240\u6709\u65E5\u5FD7/\u5143\u6570\u636E\u96F6\u4FDD\u7559\u4FDD\u8BC1\u3002\u5B8C\u6574\u9690\u79C1/\u9A7B\u7559\u672A\u7531\u672C\u9875\u72EC\u7ACB\u9A8C\u8BC1\u3002"
}

Unknown is not a claim that a service is free, anonymous, private or unavailable.

Limitations

  • 免费计划文档为25,000次/月、500次/日/IP、单文件1MB和PDF最多3页；免费可搜索PDF有水印，无SLA。
  • Engine3独立额度：免费另有1000次/月，PRO/PRO PDF另有30,000次/月，不与Engine1/2总额混用。
  • Engine3较慢、overlay坐标精度和可搜索PDF文本选择粒度不同；质量为文档说明，未实测。
  • PRO/PRO PDF端点与免费服务分开，具体地址注册后提供，不能直接假定此免费地址享有付费性能。
  • 另有GET imageurl仅支持URL输入，不能传multipart或base64；本项选POST契约。
  • 未注册、上传、识别、生成或下载PDF，也未安装on-prem软件。

Unknowns

  • 实际key开通/权限、当前可用性和计划计数行为未知。
  • OCR准确率、引擎性能及实际坐标/格式效果未测试。
  • 完整付费条款、超额处理、其他并发/限速及额度细则未确认。
  • 完整文档/日志保留、数据驻留和隐私政策未独立验证。
  • 未提交任何媒体或执行下载/安装。

Fixed profiles, conditions and evidence

Read state: not_checked; review state: unknown. Do not combine different profiles.

资料与来源声明不等于本站实测；未列出的条件仍未知。

结构化配方只按公开声明检查约束与接口，不执行任务或授予权限；缺失记录保持未知，接口兼容不证明实际成功。

Contributor-reported verification

{
  "checked_at": "2026-10-24T18:47:52.9736017\u002B00:00",
  "checks_performed": [
    "\u6765\u6E90HTTPS\u54CD\u5E94\u53EF\u8BFB\u53D6"
  ],
  "evidence_urls": [
    "https://ocr.space/ocrapi"
  ],
  "level": "documentation_only",
  "not_verified": [
    "\u529F\u80FD\u3001\u9274\u6743\u3001\u5B89\u88C5\u3001\u8F93\u51FA\u8D28\u91CF\u3001\u957F\u671F\u53EF\u7528\u6027\u5747\u672A\u7531\u672C\u7AD9\u6D4B\u8BD5\u3002"
  ],
  "outcome": "not_tested",
  "reported_by": "contributor",
  "software_version": null,
  "test_summary": "\u4EC5\u8BFB\u53D6\u516C\u5F00\u6765\u6E90\uFF1B\u672A\u8C03\u7528\u6240\u8FF0\u5DE5\u5177\u3002"
}

Connection, installation, execution, output checks and user acceptance are different stages. This is not a commercial call or income receipt.

Dynamic observations and corrections

null
null

Add a public correction or observation

Submit only facts you may disclose, without private tasks, customer data or credentials. Corrections are proposals; observations are conditional contributor reports, not automatically verified facts, commercial calls or income.

Propose a sourced summary correction

This form proposes a summary change for the current fixed version. Other supported fields use the original API. Concurrent version changes return a conflict.

Report a conditional public observation

Complete fixed public record and original source fields

This is the existing public read projection, not a translated or rewritten snapshot. Dynamic observations, where present, remain labelled separately from evidence.

{
  "author_name": null,
  "availability": "unknown",
  "callability": "documentation_only",
  "category": "images",
  "data_handling": {
    "location": "provider_server",
    "notes": "\u6258\u7BA1\u670D\u52A1\u8BFB\u53D6/\u63A5\u6536\u56FE\u7247\u6216PDF\u5E76OCR\u3002\u6B63\u6587\u6709\u4E0D\u4FDD\u5B58OCR\u6587\u6863\u4FE1\u606F\u7684\u63D0\u4F9B\u8005\u58F0\u660E\uFF0C\u53E6\u660E\u786E\u751F\u6210\u7684SearchablePDFURL\u4E00\u5C0F\u65F6\u6709\u6548\u540E\u5220\u9664\uFF1B\u4E0D\u80FD\u5C06\u5176\u6269\u5927\u4E3A\u6240\u6709\u65E5\u5FD7/\u5143\u6570\u636E\u96F6\u4FDD\u7559\u4FDD\u8BC1\u3002\u5B8C\u6574\u9690\u79C1/\u9A7B\u7559\u672A\u7531\u672C\u9875\u72EC\u7ACB\u9A8C\u8BC1\u3002"
  },
  "description": "\u672C\u6B21\u5B98\u65B9\u6587\u6863\u660E\u786E\u514D\u8D39\u6258\u7BA1POST\u7AEF\u70B9 https://api.ocr.space/parse/image\uFF0Capikey\u5728header\uFF0C\u8F93\u5165\u4E3Aurl\u3001multipart file\u6216base64Image\u4E09\u79CD\u65B9\u5F0F\u3002\u53EF\u9009overlay\u3001\u65B9\u5411\u3001\u8868\u683C\u3001\u5F15\u64CE\u548C\u53EF\u641C\u7D22PDF\u7B49\u3002\u9ED8\u8BA4Engine2\uFF1BEngine1\u5DF2\u9000\u5F79\u5E76\u91CD\u5B9A\u5411Engine2\uFF0CEngine3\u6709\u4E0D\u540C\u8BED\u8A00/\u7CBE\u5EA6/\u901F\u5EA6\u4E0E\u989D\u5EA6\u6761\u4EF6\u3002PRO\u670D\u52A1\u4F7F\u7528\u53E6\u5916\u7684\u3001\u6CE8\u518C\u540E\u90AE\u4EF6\u63D0\u4F9B\u7684\u7AEF\u70B9\uFF1B\u672C\u9879\u4E0D\u628A\u672C\u5730on-prem\u8F6F\u4EF6\u6216PRO\u5730\u5740\u5F53\u4F5C\u514D\u8D39\u6258\u7BA1\u5165\u53E3\u3002",
  "inputs": [
    "apikey header\u53CAurl/file/base64Image\u8F93\u5165\u65B9\u6CD5\u4E4B\u4E00\uFF1B\u56FE\u50CF\u652F\u6301PNG/JPG/GIF/TIF/BMP\uFF0C\u6587\u6863\u652F\u6301PDF\u3002",
    "\u53EF\u9009OCREngine\uFF08\u9ED8\u8BA42\uFF09\u3001language\uFF08Engine2/3\u9ED8\u8BA4auto\uFF09\u3001isOverlayRequired\u3001detectOrientation\u3001scale\u3001isTable\u3002",
    "\u53EF\u9009isCreateSearchablePdf\u53CA\u9690\u85CF\u6587\u5B57\u5C42\u53C2\u6570\uFF1B\u5176\u4ED6\u9009\u9879\u6309\u6240\u9009\u5F15\u64CE/\u8BA1\u5212\u6838\u5BF9\u3002"
  ],
  "invocation": {
    "authentication": {
      "kind": "api_key",
      "notes": "POST\u6587\u6863\u8981\u6C42header\u540Dapikey\uFF1B\u6CE8\u518C\u53D6\u5F97\u7684\u6709\u6548key\u7531\u4F7F\u7528\u8005\u81EA\u884C\u63D0\u4F9B\u3002\u672C\u9879\u4E0D\u7C98\u8D34\u6587\u6863\u793A\u4F8Bkey\u6216\u4EFB\u4F55\u51ED\u636E\u503C\u3002"
    },
    "command": null,
    "entry_url": "https://api.ocr.space/parse/image",
    "kind": "http_api",
    "method": "POST",
    "request_example": {
      "credential_requirement": "\u4F7F\u7528\u8005\u81EA\u884C\u63D0\u4F9Bapikey",
      "documentation_text": "\u5B98\u65B9POST\u5165\u53E3\uFF08\u672A\u6267\u884C\uFF09\uFF1Ahttps://api.ocr.space/parse/image\uFF1Bheader\u9700apikey\uFF0C\u51ED\u636E\u7531\u4F7F\u7528\u8005\u81EA\u884C\u63D0\u4F9B\uFF1B\u8F93\u5165\u9009url\u3001multipart file\u6216base64Image\u4E4B\u4E00\uFF0C\u4E0D\u5728\u672C\u4F8B\u63D0\u4EA4\u5B9E\u9645\u5A92\u4F53\u3002",
      "input_methods": [
        "url",
        "multipart file",
        "base64Image"
      ],
      "method": "POST",
      "url": "https://api.ocr.space/parse/image"
    },
    "requirements": [
      "\u7531\u4F7F\u7528\u8005\u6CE8\u518C/\u63D0\u4F9B\u9002\u7528\u6258\u7BA1API key\u3002",
      "\u6309\u6587\u6863\u4EE5url\u3001multipart file\u6216base64Image\u63D0\u4F9B\u56FE\u7247/PDF\uFF1B\u672C\u6B21\u672A\u4E0A\u4F20\u3001\u63D0\u4EA4URL\u6216\u7F16\u7801\u5A92\u4F53\u3002",
      "\u9075\u5B88\u8BA1\u5212\u3001\u5F15\u64CE\u3001\u6587\u4EF6\u5927\u5C0F\u548CPDF\u9875\u6570\u9650\u5236\uFF0C\u5E76\u6838\u5BF9\u8F93\u5165content-type\u6216filetype\u8986\u76D6\u3002"
    ]
  },
  "limitations": [
    "\u514D\u8D39\u8BA1\u5212\u6587\u6863\u4E3A25,000\u6B21/\u6708\u3001500\u6B21/\u65E5/IP\u3001\u5355\u6587\u4EF61MB\u548CPDF\u6700\u591A3\u9875\uFF1B\u514D\u8D39\u53EF\u641C\u7D22PDF\u6709\u6C34\u5370\uFF0C\u65E0SLA\u3002",
    "Engine3\u72EC\u7ACB\u989D\u5EA6\uFF1A\u514D\u8D39\u53E6\u67091000\u6B21/\u6708\uFF0CPRO/PRO PDF\u53E6\u670930,000\u6B21/\u6708\uFF0C\u4E0D\u4E0EEngine1/2\u603B\u989D\u6DF7\u7528\u3002",
    "Engine3\u8F83\u6162\u3001overlay\u5750\u6807\u7CBE\u5EA6\u548C\u53EF\u641C\u7D22PDF\u6587\u672C\u9009\u62E9\u7C92\u5EA6\u4E0D\u540C\uFF1B\u8D28\u91CF\u4E3A\u6587\u6863\u8BF4\u660E\uFF0C\u672A\u5B9E\u6D4B\u3002",
    "PRO/PRO PDF\u7AEF\u70B9\u4E0E\u514D\u8D39\u670D\u52A1\u5206\u5F00\uFF0C\u5177\u4F53\u5730\u5740\u6CE8\u518C\u540E\u63D0\u4F9B\uFF0C\u4E0D\u80FD\u76F4\u63A5\u5047\u5B9A\u6B64\u514D\u8D39\u5730\u5740\u4EAB\u6709\u4ED8\u8D39\u6027\u80FD\u3002",
    "\u53E6\u6709GET imageurl\u4EC5\u652F\u6301URL\u8F93\u5165\uFF0C\u4E0D\u80FD\u4F20multipart\u6216base64\uFF1B\u672C\u9879\u9009POST\u5951\u7EA6\u3002",
    "\u672A\u6CE8\u518C\u3001\u4E0A\u4F20\u3001\u8BC6\u522B\u3001\u751F\u6210\u6216\u4E0B\u8F7DPDF\uFF0C\u4E5F\u672A\u5B89\u88C5on-prem\u8F6F\u4EF6\u3002"
  ],
  "outputs": [
    "JSON ParsedResults\u6309\u56FE\u50CF\u6216PDF\u9875\u7ED9ParsedText\u3001FileParseExitCode\u548C\u9519\u8BEF\uFF1B\u53EF\u9009TextOverlay\u5750\u6807\u3002",
    "\u9876\u5C42OCRExitCode\u533A\u5206\u5168\u90E8\u6210\u529F\u3001\u90E8\u5206\u6210\u529F\u3001\u5168\u90E8\u5931\u8D25\u6216\u5904\u7406\u9519\u8BEF\uFF0C\u4E0D\u80FD\u53EA\u51EDHTTP\u5B8C\u6210\u5224\u65AD\u5168\u90E8\u9875\u6210\u529F\u3002",
    "\u8BF7\u6C42\u53EF\u641C\u7D22PDF\u65F6\u53EF\u7ED9SearchablePDFURL\uFF1B\u6B63\u6587\u79F0\u4E0B\u8F7D\u94FE\u63A5\u6709\u65481\u5C0F\u65F6\uFF0C\u4E4B\u540E\u6587\u4EF6\u4ECEOCR\u670D\u52A1\u5668\u5220\u9664\u3002"
  ],
  "pricing": {
    "model": "free_tier",
    "notes": "\u672C\u6B21\u4EF7\u8868\uFF1AFree\u4E3A25,000\u6B21/\u6708\uFF1BPRO $30/\u6708\u3001PRO PDF $60/\u6708\uFF0C\u5404300,000\u6B21/\u6708\uFF08Engine1/2\u8303\u56F4\uFF09\uFF1B\u6587\u4EF6/\u9875\u6570\u548CEngine3\u989D\u5EA6\u53E6\u9650\u3002Enterprise\u6807$999\u002B/\u6708/Custom\u3002\u514D\u8D39\u65E5IP500\u30011MB\u30013\u9875\uFF1B\u5177\u4F53\u4ED8\u8D39\u6761\u6B3E\u548C\u672A\u6765\u4EF7\u683C\u672A\u72EC\u7ACB\u9A8C\u8BC1\u3002",
    "source_url": "https://ocr.space/ocrapi"
  },
  "provider_claimed": false,
  "record_kind": "public_source",
  "representative_queries": [
    "OCR.space \u5B98\u65B9\u6258\u7BA1 OCR API",
    "\u56FE\u7247PDF\u6587\u5B57\u8BC6\u522B\u514D\u8D39\u989D\u5EA6\u4E0E\u9875\u6570\u9650\u5236",
    "OCR.space Engine3\u989D\u5EA6\u548C\u53EF\u641C\u7D22PDF\u94FE\u63A5"
  ],
  "sources": [
    {
      "basis": "official_documentation",
      "checked_at": "2026-10-24T18:47:52.9736017\u002B00:00",
      "title": "Free OCR API",
      "url": "https://ocr.space/ocrapi"
    }
  ],
  "summary": "OCR.space \u5B98\u65B9\u6258\u7BA1 POST \u8BC6\u522B\u56FE\u7247/PDF\u5E76\u8FD4\u56DEJSON\u6587\u5B57\u53CA\u53EF\u9009\u5750\u6807/\u53EF\u641C\u7D22PDF\uFF1B\u9700apikey\uFF0C\u514D\u8D39\u5C42\u6709\u6708/\u65E5IP/\u6587\u4EF6\u4E0E\u9875\u6570\u9650\u5236\uFF0CEngine3\u53E6\u6709\u989D\u5EA6\uFF0C\u672C\u6B21\u672A\u63D0\u4EA4\u6587\u4EF6\u3002",
  "tags": [
    "OCR.space",
    "OCR",
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