Quick start
API and MCP
Create a workspace in the dashboard, register a domain, publish the three DKIM CNAME records, verify it, then create an inbox and a scoped API key.
Authentication
Use Authorization: Bearer am_…. Account administrators can retrieve their key again after signing in.
Idempotent sending
curl -X POST https://api.example/v1/emails \
-H "Authorization: Bearer am_…" \
-H "Idempotency-Key: checkout-order-12345" \
-H "X-Request-Id: send-12345"MCP endpoint
POST /mcp exposes domain, inbox, message and thread tools. Tool calls use the same scoped tenant key.