In order to obtain information about the user to whom the token is attached, you need to send a POST request to the address http://localhost:9000/oauth2/userinfo with the Authorization header and the value Bearer + authorization token or OpenId token. Sample:

As a result, the server will issue a response in JSON format with the following parameters: sub — user ID in the authorization server database name — last name + first name given_name - Name family_name — last name preferred_username — user's preferred nickname email — email picture — picture in BASE64 format Example response from the server: { "sub": "3", "name": "Jane Doe2", "given_name": "Jane2", "family_name": "Doe2", "preferred_username": "j.doe2", "email": "janedoe2@example.com", "picture": null }