Asta7 can also be accessed using the REST API. The API docs can be found at https://hostname/gui-server/swagger-ui/index.html (Replace hostname with your own).
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The expires_in property in the response states the period of validation (in seconds) for the access_token. By default, this is 5 minutes. Can This can be modified from the Keycloak admin console. Log in to the Keycloak admin console, then go to Realm Settings > Tokens and change the Access Token Lifespan
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