Support > Open eLMS API > Response Codes Summary

A summary of HTTP Response Codes returned is shown below:

Response Codes
HTTP Code Summary Description
200 OK Successful API call.
400 Bad Request A validation exception has occurred.
401 Unauthorized Invalid authorization credentials.
404 Not Found The resource you have specified cannot be found
412 Precondition Failed One or more conditions given in the request header fields were invalid.
500 Internal Error An unhandled error. Contact the Open Elms team if problems persist
501 Not Implemented The method you have called has not been implemented (e.g. POST Organisation)
503 Rate Limit Exceeded The API rate limit for your organisation/application pairing has been exceeded.
503 Not Available API is currently unavailable – typically due to a scheduled outage – try again soon.