1-A 2-A 3-A 4-A | 5 PUT/DELETE 6 editing/testing 7 = Lets you safely test without affecting the live, activated endpoint 8 = Webhook node to receive it, then Respond to Webhook node returning {status:success} 9 = Anyone who finds the URL can trigger the workflow with arbitrary data | 10 = Check a secret token/signature sent in the headers matches expected value