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Mermail’s app API is served under /api/v1. It uses first-party app sessions for console users. Cookie-authenticated mutating requests require CSRF protection. The deployed app also exposes an OpenAPI document at: 
/openapi.json
and: 
/docs/openapi.json
The current OpenAPI document is intentionally small. Use it as the machine-readable starting point, and treat this page as the human index of implemented resource areas.

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Health check

Use the status endpoint for a basic service check: 
curl https://console.mermail.app/api/status

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Payment-aware routes

Mermail includes agentic commerce discovery and payment metadata for some protected actions. See Discovery.