# Third Party Authentication

Contains operations for the OAuth 2.0 Authorization Code Flow Token Exchange.

## Token refresh or exchange

 - [POST /zephr/oauth2/token](https://developer.zuora.com/zephr-api-reference/zephr-admin-api/third-party-authentication/refreshorexchangetoken.md): Exchanges the OAuth2 authorization code for an access token, or refreshes an existing access token using a refresh token.