Navigate to the Postman Authorization tab of your request. From the Type dropdown menu, select OAuth 2.0:

Click on the Get New Access Token button that will open a dialog box for configuring the identity server (Keycloak in our case). Fill in the appropriate fields with the corresponding values for your environment, as such:

Authorize using browser should be unchecked.

postman token

Click on the 'Get New Access Token' button that should pop up a Keycloak’s login dialog if everything was set up correctly. After a successful login, a new Token should be obtained as below:


Click on Use Token and the content of a requested token will be automatically added as a Bearer header in a Postman request. If the token is expired, then repeat the token obtaining request from the Authorization tab by clicking on Get new Access Token.