API features

Scanned PDF recognition

Recognize printed text in scanned PDFs. Results depend on scan quality; handwriting recognition is not guaranteed.

Editable Word documents

Download recognized text as a DOCX file for editing and correction. Save your result; permanent hosting is not guaranteed.

Source-page organization

Keep source page order, line breaks, and blank-page positions with page breaks. Original layout, images, and table structure are not restored.

English and Chinese options

Choose English, Simplified Chinese, Traditional Chinese, or English combined with either Chinese option.

Upload or PDF link

Upload a PDF or submit a public PDF link, up to 20 MiB and 50 pages per request.

Document review workflows

Send editable text to review queues, archive cleanup projects, and document intake workflows.

API Document

HTTP Protocol:HTTPS

HTTP Method:POST

HTTP Endpoint:https://api.gugudata.io/v1/imagerecognition/pdf2word

Response Type:application/json; charset=utf-8

DEMO Endpoint:https://api.gugudata.io/v1/imagerecognition/pdf2word/demo

Live Demo:Try Interactive Demo

Postman Collection:Run in Postman

API Request Parameters

Name	Type	Is Required	Default Value	Remark
appkey	string	true	YOUR_APPKEY	API key used to authenticate the request.
file	file	false		Upload a PDF. Provide exactly one of file or file_url. Maximum 20 MiB and 50 pages.
file_url	string	false		Public HTTP(S) PDF URL, up to 2048 characters. Provide exactly one of file or file_url.
lang	string	false	en	en, zh-CN, zh-TW, en+zh-CN, or en+zh-TW. Recognition quality depends on the scan.
filename	string	false	result.docx	Optional safe download filename, at most 128 Unicode characters including the normalized.docx suffix. Paths are not accepted.

API Response Parameters

Name	Type	Remark
wordPath	string	Public HTTPS DOCX download URL. Save the file in your own storage; permanent hosting is not guaranteed.

API Response Status Codes

Status Code	Explanation of Status Code	Remarks
200	Request processed successfully.	Some endpoints expose a separate application-level status field in the response body, such as `dataStatus.statusCode`.
400	Invalid request parameters or request format.	Check required fields, data types, and request body format.
401	Missing or unknown application key.	Provide a valid `appkey` with the request.
403	The application key is recognized but access is not allowed.	The key may be expired, inactive, or not permitted for the requested API.
413	PDF exceeds the size or page limit.	Use a PDF of at most 20 MiB and 50 pages.
422	PDF cannot be recognized.	Use an unencrypted PDF with legible printed text.
429	Request rate or trial usage limit exceeded.	Reduce request frequency and retry with backoff. If a trial allowance is exhausted, check Trial Keys for remaining requests and subscribe to continue.
500	Internal service error.	Retry later or contact support if the error persists.
502	PDF download or recognition failed.	Check the PDF link and try again later.
503	Recognition is temporarily unavailable.	Try again later.

Remote MCP

AI client access

Use this API through GuGuData Remote MCP

Connect your AI client once, authorize in the browser, and the client can use the GuGuData API tools available to your account. You do not need to paste an appkey into the MCP client.

Endpoint https://mcp.gugudata.io/mcp

Open MCP Guide

Generic MCP configuration

{
  "mcpServers": {
    "gugudata": {
      "url": "https://mcp.gugudata.io/mcp",
      "transportType": "streamable-http"
    }
  }
}

Code Snippets

Run in Postman Open LLM Page

Frequently asked questions

Common questions about request limits, trials, renewal, and cancellation.

What does the 5 requests per second limit mean?

It is a request-rate limit, not a concurrency allowance. Keep your request rate at or below 5 per second. If the service returns a rate-limit response, reduce the frequency and retry with backoff.

Is total paid usage limited?

There is no total request cap during an active paid subscription and no usage-based overage charge.

How does the free trial work?

Each account can receive a limited trial key. Requests are shared across APIs in the same category. Check Trial Keys for the exact allowance and remaining requests.

How do renewal and cancellation work?

The plan renews annually until canceled. Manage or cancel the renewal from Dashboard → Orders & Billing. Access continues through the paid period after cancellation. See the Terms of Service for the current refund policy. If the billing portal is unavailable, contact support.

Technical support

Need help choosing an API or getting started?

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Service terms

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