Status codes provide extra information when a request is made to the MTAPI. The response code will be provided when a request has been successfully completed.
...
Response Headers
{
"cache-control": "no-cache",
"content-length": "123",
"content-type": "application/json; charset=utf-8",
"date": "Tue, 20 Apr 2021 11:28:03 GMT",
"expires": "-1",
"mtapistatus": "-1",
"pragma": "no-cache",
"server": "Microsoft-IIS/8.5",
"x-aspnet-version": "4.0.30319",
"x-powered-by": "ASP.NET"
}
...
RetrievingServiceRequestFailed = 617001
Retrieving service request has failed.RetrievingServiceRequestsByServicesFailed = 617002
Retrieving service requests by services has failed.RetrievingServiceRequestStatusesFailed = 617003
Retrieving service request statuses has failed.RetrievingServiceRequestStatusHistoryFailed = 617004
Retrieving service request status history has failed.RetrievingServiceArtifactsFailed = 617005
Retrieving service request artifacts has failed.AddServiceRequestFailed = 617006
Add service request has failed.ServiceRequestsQueryFailed = 617007
Service request query has failed.UpdateServiceRequestFailed = 617008
Service Request couldn't be updated.ServiceRequestsByServiceFailed = 617009
Retrieving service requests by service has failed.UpdateServiceRequestStatusFailed = 617010
Service Request status couldn't be updated.DeleteServiceRequestFailed = 617011
Service Request couldn't be deleted.InitiateTransferFailed = 617012
Service Request couldn't be initiated.CompleteTransferFailed = 617013
Service Request couldn't be completed.FileAttachmentByServiceRequestFailed = 617014
Retrieving file attachment by service request has failed.NoRequesterId = 617015
Retrieving file attachment by service request has failed.NoRequesterDetails = 617016
Retrieving file attachment by service request has failed.RetrievingUserAssignmentsFailed = 617017
Retrieving user assignments has failed.RetrievingStatusHistoryExFailed = 617018
Retrieving extended status history has failed.RetrievingStatusHistoryExByGuidFailed = 617019
Retrieving extended status history by guid has failed.UpdateDateCannotBeInFuture = 617020
Update date cannot be in future.ServiceRequestStatusLogNotFound = 617021
Service Request status log not Found.UpdateDateShouldBeAfterPreviousDate = 617022
The update date should be greater than the previous date.UpdateDateShouldBeBeforeNewerDate = 617023
The update date should be less than the newer date.UpdateDateShouldBeAfterPreviousDateAndBeforeNewerDate = 617024
The update date should be greater than the previous date and less than the newer date.UpdateStatusHistoryFailed = 617025
Service Request Status couldn't be updated.UserAssignmentExists = 617026
User Assignment already exist.AddUserAssignmentFailed = 617027
User Assignments couldn't be added.RemoveUserAssignmentFailed = 617028
User Assignments couldn't be removed.InvalidServiceStandard = 617029
ServiceStandardId is not valid for the service.InvalidServiceId = 617030
Changing ServiceId not allowed.DeletedStatus= 617031
Changing ServiceId not allowed.UpdateServiceRequestFail = 617032
Update ServiceRequest failed.RetrievingAuditHistoryFailed = 617033
Retrieving audit history has failed.InvalidServiceRequestId = 6170034
Invalid ServiceRequest Id.InvalidServiceRequestRevisedCreatedDate = 617035
The Specified Revised Created Date is invalid.ServiceRequestIdIsZero = 617036
Service Request Id is zero.AddMultipleUserAssignmentsFailed = 617037
Multiple User Assignments couldn't be added.RemoveMultipleUserAssignmentsFailed = 617038
Multiple User Assignments couldn't be removed.
Services Controller (618000-618999)
...