Composio REST API

REST discovered

Details

URL: https://backend.composio.dev/api/v3.1
Docs: https://docs.composio.dev/reference

Authentication

Composio project API key api_key discovered Get key ↗

x-api-key: <credential> /x-org-api-key: <credential>

In the Composio dashboard settings, create or copy your project API key. The quickstart and MCP docs show using this value as COMPOSIO_API_KEY, and the API reference says project requests authenticate with the x-api-key header.