Abound uses standard HTTP reference codes. In general, 2XX codes are for successful responses, 40Xcodes are for the developer or user-related errors, and 50X codes are for errors that occur within Abound's system.

HTTP Status Codes

200- OKSuccessful API Call.
400 - Bad RequestThe server cannot or will not process the request due to
something that is invalid (e.g. bad request, missing parameters, etc).
401 - UnauthorizedInvalid API Key. Review API Authentication.
404 - Not FoundThe resource you are looking for does not exist.
409 - ConflictThe foreignId you provided is not unique.
For more information: Read about Foreign ID Uniqueness.
500- Server ErrorSomething went wrong on Abound's side (please contact us) .