OpenAPI 3.0.3

API & MCP

Integrate ChatReact into your applications. Complete REST API with interactive explorer and code examples.

REST & MCP API

Full REST API plus Model Context Protocol for AI assistants

Secure Authentication

API keys with cr_ prefix for secure access control

OpenAPI 3.0

Full specification to download – for Postman, codegen and your own SDKs

Rate Limiting

30 req/min REST API, 60 req/min MCP and widget

Quick Start

example.js

// Initialize chat session
const response = await fetch('/api/widget/{chatbotId}/session', {
  method: 'POST',
  headers: { 'Content-Type': 'application/json' },
  body: JSON.stringify({ visitorId: 'visitor_123' })
});

const { sessionId } = await response.json();

// Send message
await fetch('/api/widget/{chatbotId}/message', {
  method: 'POST',
  headers: { 'Content-Type': 'application/json' },
  body: JSON.stringify({
    sessionId,
    content: 'Hello, I need help!'
  })
});

Authentication

Most API endpoints require an API key. Add it in the Authorization header:

Authorization: Bearer cr_your_api_key_here

Related Resources

MCP Server Documentation

Connect ChatReact to Claude Desktop and Cursor

Create API Key

Generate an API key in your dashboard

Full Documentation

Learn everything about ChatReact

157

Endpoints

v1.0

API Version

178

MCP Tools

JSON

Data Format