# OAuth 2.0
In OAuth 2.0 authorization, the system asks for the following attributes:
Access Token Type
Here define the type of access token. e.g. Bearer, MAC etc. With Bearer tokens, the API request is not signed or encrypted. Bearer token uses HTTPS security. While MAC tokens provide the cryptographic verification of portions of HTTP requests. As of now, we only support Bearer tokens.
An access token is an opaque string that identifies a user or an app and is used to access the resources from a server.
After filling in these attributes, you can simply the authorization.
Note: For more details on OAuth 2.0, please refer to OAuth 2.0 Spec
Once it is saved, you can use it in any test case like this,