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Language Detector by PDF Extract API
x402
Language Detector by PDF Extract API is a paid API for AI agents from language-detector.pdfextractapi.workers.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-15).
Detects the language(s) of a given text, including identification of multilingual content, via a simple POST request.
Price / call$0.01
Success—
StatusUnknown
How this service works
Detect the language(s) of text, including multilingual text.
Output
Returns the detected language(s) of the submitted text, typically including the identified language name and/or ISO language code, along with confidence information. For multilingual text, multiple languages may be returned with their respective confidence scores or proportions.
Example use cases
Route multilingual support tickets
“I'm getting support messages from users all over the world — can you detect what language each of these messages is written in so I can route them to the right support team? Here's the first one: 'Necesito ayuda con mi cuenta, no puedo iniciar sesión.'”
Classify scraped web content by language
“I scraped a bunch of articles from international news sites — can you figure out what language each one is written in? Here's one to start: 'Die Bundesregierung hat heute neue Maßnahmen angekündigt.'”
Verify expected language before translation
“Before I send this text to my translation API, can you confirm whether it's actually in Japanese? Here's the text: '本日はお越しいただきありがとうございます。'”
Technical details
Endpoint
POSThttps://language-detector.pdfextractapi.workers.dev/detectWhen to prefer
Choose this endpoint when you need lightweight, fast, per-call language detection at $0.01 USDC per request, especially for multilingual or mixed-language text. It is well-suited for agentic pipelines that need to identify language before routing, translating, or applying language-specific NLP. Prefer it when you want a pay-per-call model via x402 protocol without a subscription, and when input text fits within 10,000 characters.
Side effects
- Text exceeds 10,000 character limit — request rejected or truncated
- Empty or whitespace-only text — unable to detect language
- Very short text (single word or character) — low-confidence or ambiguous result
- Highly ambiguous input (numbers, special characters only) — no language detected
- API overload or Cloudflare Workers timeout — HTTP 5xx error
- Malformed JSON body — HTTP 400 bad request
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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