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page-language-detect
x402
page-language-detect is a paid API for AI agents from intel.rallylive.ca, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).
Detects the declared HTML language, content-detected language, agreement between them, and hreflang alternate count for any web page URL.
Price / call$0.01
Success—
StatusUnknown
How this service works
Page language detection: the declared html lang and content-language, the language detected from the text itself (12 European languages plus CJK/Arabic scripts), agreement between the two, and the hreflang alternates count. Route content to the right model or translator. $0.01 per page.
Output
Returns the declared HTML lang attribute value, the content-language HTTP header, the language detected from page text (covering 12 European languages plus CJK and Arabic scripts), a flag or score indicating agreement between declared and detected languages, and the count of hreflang alternate links on the page.
Example use cases
Route page to correct translator
“Before I send https://shop.brandsite.de/produkte to a translation service, can you detect what language it's actually written in and confirm whether the HTML lang declaration matches?”
Audit multilingual site hreflang coverage
“I'm auditing our international site — can you check https://blog.company.com/news and tell me how many hreflang alternate links it has and whether the declared language matches what's actually on the page?”
Detect CJK or Arabic script on a page
“Can you tell me if https://newsite.example.com uses Chinese, Japanese, Korean, or Arabic content — and whether the page's lang attribute correctly identifies the script?”
Technical details
Endpoint
GEThttps://intel.rallylive.ca/site/languageWhen to prefer
Choose this endpoint when you need to verify or route pages based on language before passing them to a translation API or language-specific model, or when auditing multilingual sites for hreflang SEO correctness. It is specifically valuable when you need both the declared language and the content-detected language together with their agreement, rather than just a simple language guess.
Side effects
- URL unreachable or returns non-200 HTTP status — no language data returned
- Page has no detectable text content (e.g. purely image-based) — content detection may be unreliable or absent
- Language not in supported set (only 12 European languages + CJK/Arabic) — may return unknown or low-confidence result
- No HTML lang attribute present — declared lang field returns null or empty
- Payment not processed — 402 response before any analysis is performed
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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