> ## Documentation Index
> Fetch the complete documentation index at: https://openrouter.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# GrantType

Must be `urn:ietf:params:oauth:grant-type:token-exchange`.

## Example Usage

```typescript theme={null}
import { GrantType } from "@openrouter/sdk/models";

let value: GrantType = "urn:ietf:params:oauth:grant-type:token-exchange";
```

## Values

```typescript theme={null}
"urn:ietf:params:oauth:grant-type:token-exchange"
```