Response Codes

Each API request will result in a response code and response text. You may encounter the following response codes. Any unsuccessful response codes will contain more information to help you identify the cause of the problem

200 OK should be the standard response for a successful API request. Other error codes may require further investigation.

Code Message Description
200OKStandard response for successful HTTP requests.
204No ContentThe server successfully processed the request, and is not returning any content.
400Bad RequestThe server cannot or will not process the request due to an apparent client error (e.g., malformed request syntax, size too large, invalid request message framing, or deceptive request routing).
405Method Not AllowedA request method is not supported for the requested resource; for example, a GET request on a form that requires data to be presented via POST, or a PUT request on a read-only resource.
406Not AcceptableThe requested resource is capable of generating only content not acceptable according to the Accept headers sent in the request.
498Invalid TokenCode 498 indicates an expired or otherwise invalid token.
500Internal Server ErrorA generic error message, given when an unexpected condition was encountered and no more specific message is suitable.

If you have issues with error codes please contact us either by telephone on +44 (0)1482 240886 or by email at

  • Last modified: 2020/11/02 14:44