Api referencePostmaster
POST
/postmaster/authorize

Authorization

bearerAuth
AuthorizationBearer <token>

API key in format zk_live_* or zk_test_*

In: header

Response Body

application/json

application/json

curl -X POST "https://zend.sh/api/v1/postmaster/authorize"
{
  "authorize_url": "http://example.com"
}
{
  "type": "string",
  "message": "string",
  "field": "string",
  "status": 0
}

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OAuth callback for Postmaster Tools

Google redirects here after the user grants/denies Postmaster access. Validates the CSRF state token, exchanges the authorization code for tokens, and upserts the Postmaster connection. This is a browser redirect endpoint — no API key required.