> ## 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. # TokenExchangeResponse RFC 8693 token exchange response. ## Fields | Field | Type | Required | Description | Example | | ----------------- | ------------------------------------------------------------------------- | -------------------- | ----------------------------------------------------------------------------------------------------------- | ---------------------------------------------- | | `AccessToken` | `string` | :heavy\_check\_mark: | A short-lived JWT to send as `Authorization: Bearer` to the inference API. | \ | | `ExpiresIn` | `int64` | :heavy\_check\_mark: | Seconds until the access token expires: at most 15 minutes, and never later than the subject token expires. | 900 | | `IssuedTokenType` | [components.IssuedTokenType](../../models/components/issuedtokentype.mdx) | :heavy\_check\_mark: | N/A | urn:ietf:params:oauth:token-type:access\_token | | `Scope` | `string` | :heavy\_check\_mark: | N/A | inference | | `TokenType` | [components.TokenType](../../models/components/tokentype.mdx) | :heavy\_check\_mark: | N/A | Bearer |