Management API

REST API

Manage your projects, lines, endpoints, keys and billing programmatically over a token-authenticated REST API. Every request carries a per-project API key as Authorization: Bearer er_….

Base URL

https://api.echorelay.dev

The interactive OpenAPI reference and the live spec are served from the API host itself. Start from the quickstart, then see API keys for authentication and MCP to drive the same surface from an AI agent.

Example

curl https://api.echorelay.dev/projects \
  -H "Authorization: Bearer er_live_…"