These are common error you may get from the API. There maybe other errors. Please check your API response for details.

ErrorDescriptionTroubleshooting
200Success
400Request invalidCheck the format of your request against the API documentation.
401User lacks authorization for this actionCheck that user has API authorization. Generate a new access token.
403The client is not permitted to perform the requested operation.The client refers to your application making the request. Check that user has API authorization. Generate a new access token. Check for any firewalls that might be preventing a request.
500The server encountered an unexpected condition that prevented it from fulfilling the request.The server (Coalesce) couldn't fulfill the request. Keep trying. If the issue persists, create a support ticket.
502The server received an error from an upstream system.The server (Coalesce) couldn't fulfill the request. Keep trying. If the issue persists, create a support ticket.
503The service is currently unavailable.The server (Coalesce) couldn't fulfill the request. Keep trying. If the issue persists, create a support ticket.
504The server didn't receive a response in time from the upstream system.The server (Coalesce) couldn't fulfill the request. Keep trying. If the issue persists, create a support ticket.