Tray.IO can listen for a webhook payload and perform an action.
Tray.IO has comprehensive documentation for ArcGIS Online Feature Services. Their ready to go ArcGIS connector will automatically create a webhook on the given Hosted Feature Service. After setting up the connection, it's simply a matter of completing your workflow. The example provided by Tray.IO demonstrates how the service could apply an edit to a hosted service.
Using Tray.IO as a provider for ArcGIS Enterprise (Portal webhooks) write up how to create a webhook
https://tray.io/documentation/connectors/triggers/webhook-trigger/