> ## Documentation Index
> Fetch the complete documentation index at: https://docs.straddle.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Trusted IP allowlist for webhooks

> Use Straddle's published IP allowlist to restrict inbound webhook traffic to your endpoints, ensuring secure communication for ACH event notifications.

In case your webhook receiving endpoint is behind a firewall or NAT, you may need to allow traffic from Straddle's IP addresses.

This is the full list of IP addresses that webhooks may originate from grouped by the region of the sender. 

### Straddle IP Addresses

## [](https://docs.svix.com/receiving/source-ips#us "Direct link to US")

```
44.228.126.217
50.112.21.217
52.24.126.164
54.148.139.208
2600:1f24:64:8000::/56
```

The list is also available as a JSON file: [webhooks-ips.json](https://docs.svix.com/webhook-ips.json).