Google Cloud Natural API alternatives

Natural language understanding technology, including sentiment, entity and syntax analysis. 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, Google Cloud Natural API: HTTPS.

1. 1

   Cloudmersive Natural Language Processing API

   Online · 811 ms

   Natural language processing and text analysis.

   • Callable from the browser (CORS)
   • HTTPS

   apiKeyHTTPSCORS
2. 2

   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. 3G

   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. 4

   Lecto Translation API

   Online · 542 ms

   Translation API with free tier and reasonable prices.

   • Callable from the browser (CORS)
   • HTTPS

   apiKeyHTTPSCORS
5. 5

   Detect Language API

   Online · 775 ms

   Fast, reliable text language identification API.

   • HTTPS

   apiKeyHTTPSCORS ?
6. 6

   Langbly API

   Online · 1535 ms

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

   • Callable from the browser (CORS)
   • HTTPS

   apiKeyHTTPSCORS
7. 7

   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
8. 8

   ToHuman API

   Online · 610 ms

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

   • HTTPS

   apiKeyHTTPSCORS ?
9. 9

   LibreTranslate API

   Online · 1461 ms

   Translation tool with 17 available languages.

   • No API key needed
   • HTTPS

   No authHTTPSCORS ?
10. 10H

    Hirak OCR API

    Online · 713 ms

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

    • HTTPS

    apiKeyHTTPSCORS ?

Google Cloud Natural API vs alternatives

Google Cloud Natural API compared with its alternatives

API	API key	HTTPS	CORS	Uptime	Response	Rating
Google Cloud Natural	Required	Yes	Unknown	Up	2623 ms	Not rated
Cloudmersive Natural Language Processing	Required	Yes	Yes	Up	811 ms	Not rated
eidosSpeech	Required	Yes	Yes	Up	787 ms	Not rated
GGeoScore	Required	Yes	Yes	Up	719 ms	Not rated
Lecto Translation	Required	Yes	Yes	Up	542 ms	Not rated
Detect Language	Required	Yes	Unknown	Up	775 ms	Not rated
Langbly	Required	Yes	Yes	Up	1535 ms	Not rated
Tisane	OAuth	Yes	Yes	Up	705 ms	Not rated
ToHuman	Required	Yes	Unknown	Up	610 ms	Not rated

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