This documentation is for WSO2 Identity Server 5.4.0 . View documentation for the latest release.
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Recommended use 

The authorization code grant type is optimized for confidential clients. It provides a few important security benefits such as the ability to authenticate the client and transmission of the access token directly to the client without passing it through the resource owner's user-agent and potentially exposing it to others (including the resource owner). This grant type is suitable when the resource owner is a user and the client is a website. 

The flow

Instead of requesting authorization directly from the resource owner, the client directs the resource owner to an authorization server. The resource owner is then redirected back to the client with the authorization code which the client will capture and exchange for an access token in the background. Since this is a redirection-based flow, the client must be able to interact with the resource owner's user-agent and receive incoming requests (via redirection) from the authorization server.

The diagram below illustrates the authorization code flow.

Support for refresh token grant Yes

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