| Call Specific Fields | |||
| Field | Type | Summary | Req. |
| GetUsageStats.Version | integer | The API Schema Version you wish to send and recieve results in. | no |
| GetUsageStats.RequesterCredentials | Contains the authorization keys required for every call. | yes | |
| ...RequesterCredentials.Token | string | One of three required authorization keys that must be included with every call. | yes |
| ...RequesterCredentials.UserToken | string | One of three required authorization keys that must be included with every call. | yes |
| ...RequesterCredentials.DeveloperName | string | One of three required authorization keys that must be included with every call. | yes |
| GetUsageStats.Filters | Allows the user to specify which statistics they want to be returned. | no | |
| ...Filters.StartDate | date | Specifies the start of a date range from which to return usage statistics. | no |
| ...Filters.EndDate | date | Specifies the end of a date range from which to return usage statistics. | no |
| ...Filters.CallType | string | Returns statistics for the calls of the specific type. | no |