
Detects text language.
Detect Language API is a free Text Analysis API that requires apiKey authentication, is served over HTTPS and has unconfirmed CORS support.
Fast, reliable text language identification API. Detects 216 languages. Supports short texts, batch requests, JavaScript, Python, C#, Java, PHP, Go, Ruby and more.
Details from detectlanguage.com.

Unified API suite · now live
Geocode an address, validate an email, track a flight or pull stock data with one account, one dashboard and one API key.
A collection of information retrieval and natural language APIs
Natural language understanding technology, including sentiment, entity and syntax analysis
The Detect Language API is provided by Detect Language API (detectlanguage.com). Fast, reliable text language identification API. Detects 216 languages. Supports short texts, batch requests, JavaScript, Python, C#, Java, PHP, Go, Ruby and more.
Yes. The Detect Language API is listed in the Text Analysis category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.
Yes. The Detect Language API uses apiKey authentication, so you need to register for credentials before making requests.
CORS support for the Detect Language API is unknown. Test a request from the browser, and fall back to a server-side call if it is blocked.
Yes. The Detect Language API is served over HTTPS, so it's safe to use in production.