freeapis

Semantria

Text Analytics with sentiment analysis, categorization & named entity extraction

Authentication
OAuth
HTTPS
Yes
CORS
Unknown

Overview

Semantria provides text analytics (sentiment/categorization/entities) — OAuth-based.

⚠️ Status (verified 2026-08): the API 301-redirects to www.lexalytics.com/semantria/ — Semantria was acquired by Lexalytics; the service moved to the Lexalytics site. Verify from your network before relying on it.

What it used to provide

curl "https://api.semantria.com/v4/session"

Alternatives

FAQ

Is Semantria working? Our 2026-08 test got 301 → lexalytics.com (verified) — the service moved.

Was it free? Commercial text analytics (trial per the vendor).

What replaced it? Lexalytics (Semantria’s owner).

More in Text Analysis

APIAuthHTTPSCORS
apilayer languagelayer

Language Detection JSON API supporting 173 languages

OAuthYesUnknown
Audexum

Text-to-speech REST API with 43 voices and 33 languages

API KeyYesYes
Aylien Text Analysis

A collection of information retrieval and natural language APIs

API KeyYesUnknown
Cloudmersive Natural Language Processing

Natural language processing and text analysis

API KeyYesYes
Code Detection

Detect, label, format and enrich the code in your app or in your data pipeline

OAuthYesUnknown