API Key Authentication, Basic , Pasword Grant, Client Credentials
curl --request POST \
--url 'https://YOUR_DOMAIN/oauth/token' \
--header 'content-type: application/json' \
--data grant_type=client_credentials \
--data client_id=YOUR_CLIENT_ID \
--data client_secret=YOUR_CLIENT_SECRET \
--data audience=YOUR_API_IDENTIFIER