# IQTService Interface

Namespace: [PIX.Services.V11](https://help.qlik.com/en-US/qlikview-developer/September2026/Subsystems/QMSAPIref/Content/PIX.Services.V11.htm)  
Assembly: PIX.dll

## Syntax

```
public interface IQTService
```

## Methods

| Name | Description |
| --- | --- |
| [GetKey()](https://help.qlik.com/en-US/qlikview-developer/September2026/Subsystems/QMSAPIref/Content/PIX.Services.V11.IQTService.GetKey.htm#PIX_Services_V11_IQTService_GetKey) |  |
| [GetSystemInformation()](https://help.qlik.com/en-US/qlikview-developer/September2026/Subsystems/QMSAPIref/Content/PIX.Services.V11.IQTService.GetSystemInformation.htm#PIX_Services_V11_IQTService_GetSystemInformation) |  |
| [GetTimeLimitedRequestKey()](https://help.qlik.com/en-US/qlikview-developer/September2026/Subsystems/QMSAPIref/Content/PIX.Services.V11.IQTService.GetTimeLimitedRequestKey.htm#PIX_Services_V11_IQTService_GetTimeLimitedRequestKey) |  |
| [Ping()](https://help.qlik.com/en-US/qlikview-developer/September2026/Subsystems/QMSAPIref/Content/PIX.Services.V11.IQTService.Ping.htm#PIX_Services_V11_IQTService_Ping) |  |

### Extension Methods

[ApiFilter.FilterFor<T>(T, Nullable<ApiVersion>)](https://help.qlik.com/en-US/qlikview-developer/September2026/Subsystems/QMSAPIref/Content/PIX.ApiFiltering.ApiFilter.FilterFor.htm#PIX_ApiFiltering_ApiFilter_FilterFor__1___0_System_Nullable_PIX_ApiVersion__)