For the complete documentation index, see llms.txt. This page is also available as Markdown.

Source IP addresses

If your webhook endpoint is behind a firewall or NAT, allow inbound traffic from the IP addresses listed below.

These IP addresses may change due to platform maintenance, upgrades, or vendor outage mitigation.

Sandbox

Webhook messages for the API URL https://api.sandbox.txn.io are sent from the following IP addresses:

52.215.16.239
54.216.8.72
63.33.109.123
2a05:d028:17:8000::/52

Production

Webhook messages for the API URL https://api.txn.io are sent from the following IP addresses:

44.228.126.217
50.112.21.217
52.24.126.164
54.148.139.208
2600:1f24:64:8000::/52

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