3.2.5.1.2.1.1 Username Password Authentication

If authenticating the user by using username and password, the client includes the following fields in the JWT described in section 3.2.5.1.2.1:

grant_type (REQUIRED): "password"

username (REQUIRED): The username of the user for which the primary refresh token is requested.

password (REQUIRED): The password of the user for which the primary refresh token is requested.