curl --request POST \
--url https://{cluster}.voucherify.io/v1/oauth/token/revoke \
--header 'Content-Type: application/x-www-form-urlencoded' \
--header 'X-App-Id: <api-key>' \
--header 'X-App-Token: <api-key>' \
--data access_token=1ABCde2FGHijKl3m4NO5pqR6STUv7wxYzAbc8dE90FgH1IJkLm