static void Main(string[] args) { // Find your Account Sid and Auth Token at twilio.com/user/account string AccountSid = "ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"; string AuthToken = "your_auth_token"; var twilio = new TwilioRestClient(AccountSid, AuthToken); twilio.DeleteIpAccessControlListMapping("SD32a3c49700934481addd5ce1659f04d2", "AL95a47094615fe05b7c17e62a7877836c"); }