Aylien Text Analysis API alternatives

A collection of information retrieval and natural language APIs. 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, Aylien Text Analysis API: HTTPS.

1
Cloudmersive Natural Language Processing API
Online · 811 ms
Natural language processing and text analysis.
- Callable from the browser (CORS)
- HTTPS
apiKeyHTTPSCORS
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
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
Lecto Translation API
Online · 542 ms
Translation API with free tier and reasonable prices.
- Callable from the browser (CORS)
- HTTPS
apiKeyHTTPSCORS
5
Detect Language API
Online · 775 ms
Fast, reliable text language identification API.
- HTTPS
apiKeyHTTPSCORS ?
6
Langbly API
Online · 1535 ms
Context-aware text translation and language detection for 100+ languages.
- Callable from the browser (CORS)
- HTTPS
apiKeyHTTPSCORS
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
ToHuman API
Online · 610 ms
Rewrite AI-assisted drafts into natural, human-sounding text that reads like you wrote it.
- HTTPS
apiKeyHTTPSCORS ?
9
LibreTranslate API
Online · 1461 ms
Translation tool with 17 available languages.
- No API key needed
- HTTPS
No authHTTPSCORS ?
10
Google Cloud Natural API
Online · 2623 ms
Natural language understanding technology, including sentiment, entity and syntax analysis.
- HTTPS
apiKeyHTTPSCORS ?

Aylien Text Analysis API vs alternatives

Aylien Text Analysis API compared with its alternatives
API	API key	HTTPS	CORS	Uptime	Response	Rating
Aylien Text Analysis	Required	Yes	Unknown	Down	–	Not rated
Cloudmersive Natural Language Processing	Required	Yes	Yes	Up	811 ms	Not rated
eidosSpeech	Required	Yes	Yes	Up	787 ms	Not rated
GeoScore	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

Aylien Text Analysis API alternatives FAQ

What is the best free alternative to the Aylien Text Analysis API in 2026?

The top-ranked free alternatives to the Aylien Text Analysis 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 Aylien Text Analysis API alternative that doesn't need an API key?

Yes: LibreTranslate API work without an API key, unlike the Aylien Text Analysis API, which uses apiKey authentication.

Is there a Aylien Text Analysis 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 Aylien Text Analysis API?

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