Start a guest session

{
  "access_token": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.example.signature",
  "refresh_token": "rt_7d1f0c9b2a4e4c5f9d3e",
  "token_type": "bearer",
  "expires_in": 900,
  "expires_at": 1793085660,
  "session_id": "5aed3421ba5a690ae25ed2e4126a3538db719c97e915846b884273e4dcf06913",
  "org": null,
  "org_role": null,
  "user": {
    "id": "01M5Y1G7AF0N78A9EP71BV68MT",
    "email": null,
    "is_anonymous": true,
    "username": null,
    "name": "",
    "avatar_url": null,
    "email_verified": true,
    "email_verified_at": "2026-10-27T09:30:00+00:00",
    "user_metadata": {},
    "app_metadata": {},
    "roles": [],
    "mfa_enabled": false,
    "identities": [],
    "created_at": "2026-10-27T09:30:00+00:00",
    "last_sign_in_at": "2026-10-27T09:30:00+00:00"
  }
}