The key passed its expires_at timestamp and is no longer accepted by apimax.

Response shape

HTTP/1.1 401
Content-Type: application/problem+json
X-Request-ID: req_...

{
  "type": "https://developers.dealermax.app/errors/expired_api_key",
  "title": "Expired API key",
  "status": 401,
  "code": "expired_api_key",
  "request_id": "req_..."
}

The response may include a human-readable detail field. Validation failures also include an errors array with the invalid parameters reported by FastAPI.

How to recover

Regenerate the dealer API key in DealerMAX and rotate your backend secret.

Related

Full catalog: https://developers.dealermax.app/errors. API reference: https://developers.dealermax.app/api.