OpenDroneMap-WebODM/slate/source/includes/reference/_handlingerrors.md

Handling Errors

All API calls use the status codes as described in the Django REST Framework's Status Code Guide, but generally you only need to check for success status codes (200 or 204), handle the special case of Token Expiration (403) and report an error otherwise.

Error Status Codes

This is not an exhaustive list, but common error codes are listed below.

Status Code	Description
401	Unauthenticated
403	Forbidden (token expired?)
400	Malformed request
404	Not found

For security reasons, sometimes an operation which should return 403 returns 404 to avoid disclosing IDs and other information to attackers.