freeapis

Semantria

Text Analytics with sentiment analysis, categorization & named entity extraction

Authentication
OAuth
HTTPS
Yes
CORS
Unknown
Data source
public-apis + marcelscruz

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
AI Text Moderation, Toxicity & Sentiment Analyzer

Detect sentiment, toxicity, and emotional aspects in text with AI moderation

API KeyYesUnknown↗
AI Translate text API

The Text Translation API translates text into any of the 80 supported languages, providing accurate and context-aware translations

API KeyYesUnknown↗
Analyse Keywords API

This API lets you extract high-frequency keywords, key phrases and latent semantic keywords from any URL

API KeyYesUnknown↗
apilayer languagelayer

Language Detection JSON API supporting 173 languages

OAuthYesUnknown↗
Audexum

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

API KeyYesYes↗