Depending on your environment, you may need to whitelist our fixed IP addresses.
The domain api.omise.co may resolve to one of the following IPs.
126.96.36.199 188.8.131.52 184.108.40.206 220.127.116.11
Webhooks may be delivered from one of the following IPs.
18.104.22.168 22.214.171.124 126.96.36.199
Downloading this list
For your convenience, we also provide the above lists of IPs as JSON.