# Authenticating service-to-service

This sample shows how to make an authenticated request by retrieving a JSON Web Tokens (JWT) from [Application Default Credentials](https://cloud.google.com/docs/authentication/production#finding_credentials_automatically).

For more details on how to work with this sample read [Authenticating service-to-service](https://cloud.google.com/run/docs/authenticating/service-to-service).
