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Detect Language API alternatives

Fast, reliable text language identification API. If it doesn't fit your project, here are the 10 best free Text Analysis APIs to use instead in 2026, out of 19 in the directory.

For reference, Detect Language API: HTTPS.

  1. 1Cloudmersive Natural Language Processing logo

    Natural language processing and text analysis.

    • Callable from the browser (CORS)
    • HTTPS
    apiKeyHTTPSCORS
  2. 2eidosSpeech logo

    eidosSpeech API

    Online · 787 ms

    Free text-to-speech API with 1,200+ neural voices in 75+ languages.

    • Callable from the browser (CORS)
    • HTTPS
    apiKeyHTTPSCORS
  3. 3

    GeoScore API

    Online · 719 ms

    Score content for AI search citation readiness with a 0-100 GEO score and 8 structural metrics.

    • Callable from the browser (CORS)
    • HTTPS
    apiKeyHTTPSCORS
  4. 4Lecto Translation logo

    Lecto Translation API

    Online · 542 ms

    Translation API with free tier and reasonable prices.

    • Callable from the browser (CORS)
    • HTTPS
    apiKeyHTTPSCORS
  5. 5Langbly logo

    Langbly API

    Online · 1535 ms

    Context-aware text translation and language detection for 100+ languages.

    • Callable from the browser (CORS)
    • HTTPS
    apiKeyHTTPSCORS
  6. 6Tisane logo

    Tisane API

    Online · 705 ms

    Text Analytics with focus on detection of abusive content and law enforcement applications.

    • Callable from the browser (CORS)
    • HTTPS
    OAuthHTTPSCORS
  7. 7ToHuman logo

    ToHuman API

    Online · 610 ms

    Rewrite AI-assisted drafts into natural, human-sounding text that reads like you wrote it.

    • HTTPS
    apiKeyHTTPSCORS ?
  8. 8LibreTranslate logo

    LibreTranslate API

    Online · 1461 ms

    Translation tool with 17 available languages.

    • No API key needed
    • HTTPS
    No authHTTPSCORS ?
  9. 9Google Cloud Natural logo

    Google Cloud Natural API

    Online · 2623 ms

    Natural language understanding technology, including sentiment, entity and syntax analysis.

    • HTTPS
    apiKeyHTTPSCORS ?
  10. 10

    Hirak OCR API

    Online · 713 ms

    Image to text -text recognition- from image more than 100 language, accurate, unlimited requests.

    • HTTPS
    apiKeyHTTPSCORS ?

Detect Language API vs alternatives

Detect Language API compared with its alternatives
APIAPI keyHTTPSCORSUptimeResponseRating
Detect Language logoDetect LanguageRequiredYesUnknownUp775 msNot rated
Cloudmersive Natural Language Processing logoCloudmersive Natural Language ProcessingRequiredYesYesUp811 msNot rated
eidosSpeech logoeidosSpeechRequiredYesYesUp787 msNot rated
GeoScoreRequiredYesYesUp719 msNot rated
Lecto Translation logoLecto TranslationRequiredYesYesUp542 msNot rated
Langbly logoLangblyRequiredYesYesUp1535 msNot rated
Tisane logoTisaneOAuthYesYesUp705 msNot rated
ToHuman logoToHumanRequiredYesUnknownUp610 msNot rated
LibreTranslate logoLibreTranslateNoYesUnknownUp1461 msNot rated

See also: best Text Analysis APIs · all Text Analysis APIs

Detect Language API alternatives FAQ

What is the best free alternative to the Detect Language API in 2026?

The top-ranked free alternatives to the Detect Language API are Cloudmersive Natural Language Processing API, eidosSpeech API and GeoScore API, all in the Text Analysis category. Rankings combine access (API key, HTTPS, CORS), daily uptime checks and developer ratings.

Is there a Detect Language API alternative that doesn't need an API key?

Yes: LibreTranslate API work without an API key, unlike the Detect Language API, which uses apiKey authentication.

Is there a Detect Language API alternative I can call from the browser?

Cloudmersive Natural Language Processing API, eidosSpeech API and GeoScore API support CORS, so front-end JavaScript can call them directly.

How many Text Analysis APIs are similar to the Detect Language API?

The directory lists 19 other free Text Analysis APIs. This page compares the top ones side by side.