In order to receive Webhooks, you should have the following IPs from billwerk whitelisted:
Production system:
18.185.233.230
18.185.235.200
18.185.72.97
Sandbox system:
3.122.11.92
35.159.47.238
18.196.237.249
Which IP addresses from billwerk should I whitelist?
Robert Ohlig
Updated
Updated