Understanding the return codes of the HTTP status sent via Web Service

Error code Description
200 - 20X Successfully processed request
401 Unauthorized access (problem in the Authorization header)
403 Forbidden access (the API user does not have the permission to perform this request)
400 Bad input data (example: the format of some parameters is not respected)
404

The requested object cannot be found (a non-existent UUID was requested)

500 Internal server error

Here are some examples of path analysis in order to help you quickly resolve the occurred issues:

Error 400:

  • "/?expand=items" is absent at the end of the POST order request
  • accents are not encoded in ANSI
  • the item reference includes spaces.