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

# API breaking changes

> Webhooks will be sent from an additional IP address.

<div className="release-meta">
  <span className="release-date">March 31, 2022</span>
  <span className="release-tag" data-changelog-tag="api">API</span>
  <span className="release-tag" data-changelog-tag="breaking">Breaking</span>
</div>

<img src="https://mintcdn.com/argyle/spW0uZwUC4bDyMgL/images/changelog-generic/api.png?fit=max&auto=format&n=spW0uZwUC4bDyMgL&q=85&s=1537fc09ccdfb211eeafbc1178e91f0b" alt="API update illustration" width="1030" height="290" data-path="images/changelog-generic/api.png" />

On **April 20, 2022** webhooks will be sourced from two different IP addresses. If you are subscribed to webhooks and use allowlists, add these IP addresses to your allowlists to avoid any issues:

* `35.188.163.115` — The existing IP address for webhooks, which you may already have on your allowlists.
* `34.122.50.253` — A new IP address for sourcing webhooks.