# Authentication

Use this API operation to manage your authentication tokens.

| Operation | Method | Description |
| --------- | ------ | ----------- |
| [Obtain an access token](#operation/getAccessToken) | POST | Request an access token for authentication with the API. |


## Obtain an access token

 - [POST /v2/oauth/token](https://docs.ripple.com/products/stablecoin/api/reference/rlusd-openapi/authentication/getaccesstoken.md): OAuth 2.0 Client Credentials grant. Returns a Bearer token valid for 1 hour.
Credentials may be passed in the request body or via HTTP Basic Auth header.