What IP address do success and error hooks come from? January 09, 2018 14:08 Updated The Success Hooks and the Error Hooks come from the following IP Addresses: US Environment 188.8.131.52 UK Environment 184.108.40.206 Related articles Do you have Test Bank Credentials that I could use? Why have I received two success hooks for the same DirectIDUID? Do we need to notify you if we change our IP Address? Why is transaction data missing for a User?