> For the complete documentation index, see [llms.txt](https://docs.soraco.co/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.soraco.co/docs/api-reference/.net-api/qlmlicense/application-methods/islicensekeyrevoked.md).

# IsLicenseKeyRevoked

### Description

Checks if the provided license key is valid.

```csharp
  bool IsLicenseKeyRevoked (string webServiceUrl, 
                            string activationKey )
```

### Parameters

| Parameter     |  Type  | Description                   |
| ------------- | :----: | ----------------------------- |
| webServiceUrl | string | URL to the QLM License Server |
| activationKey | string | activation key                |

### Return

| Type | Description                                           |
| ---- | ----------------------------------------------------- |
| bool | true if the license key was revoked; false otherwise. |