Note: GitHub Enterprise release 2.17 and higher no longer allows admins to install new GitHub Services, and existing services will stop working in GitHub Enterprise release 2.20 and higher. You can use the Replacing GitHub Services guide to help you update your services to webhooks.
This will trigger a ping event to be sent to the hook.
POST /repos/:owner/:repo/hooks/:hook_id/pings
Status: 204 No Content