HTTPAuthorization WARNING *** WARNING *** Authentication profile xxxx: preAuth check failed, detail message: Can't find valid api key auth header or query parameterIssue When a GET API call is made from Postman, the customer gets a 401 error. The user record used for the API call with basic authentication is given but still, the user is not authenticated in the dev instance.ReleaseNACauseAn active API Access Policy was blocking the authenticationResolutionPlease validate and deactivate the API access policy. Test the API call from Postman now, It will work.