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.
Quick Start
Get up and running in 5 minutes
API Reference
Complete endpoint documentation
Code Examples
Examples in multiple languages
Authentication
API keys and authentication
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
- Create an account (free)
- Generate an API token from your dashboard
- Make your first API request
API Base URL
https://api.entitydetector.com/v1Need Help?
Check out our FAQ for common questions, or error handling guide if you're troubleshooting an issue.