Use this endpoint when a printable shipping document is needed after label creation. Retrieves the airway bill document (PDF or PNG) URL for a previously created shipping label. The label must belong to the authenticated caller.
Download the document from the returned URL and attach it to the shipment.
Response codes: 200 OK — label document URL retrieved · 403 Forbidden — label belongs to a different account · 404 Not Found — label or shipping account not found · 405 Method Not Allowed · 500 Internal Server Error · 502 Bad Gateway — courier service error.
API access token issued by the Flex Forward team during onboarding.
Label ID returned by the create-label endpoint.
Label document URL retrieved successfully.