Entity Detector API Documentation

Extract entities, relations, and sentiment from any text with a simple REST API. Get started in minutes with our comprehensive documentation.

What is Entity Detector?

Entity Detector is a REST API that uses AI to analyze text and extract structured information including:

  • Named Entities - People, organizations, locations, and objects mentioned in the text
  • Relations - Connections between entities (e.g., "works for", "located in")
  • Sentiment - The emotional tone associated with each relation

Key Features

Simple REST API

Single endpoint, JSON in/out. Works with any language.

Free Tier

100 free requests per day. No credit card required.

Fast Response

Results cached for 24 hours. Instant on repeat requests.

Getting Started

  1. Create an account (free)
  2. Generate an API token from your dashboard
  3. Make your first API request

API Base URL

https://api.entitydetector.com/v1

Need Help?

Check out our FAQ for common questions, or error handling guide if you're troubleshooting an issue.