ChargeOver let's you restrict API access by IP address or CIDR range.

Steps
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1. Go to your **Settings**
2. Select ==Developers== from the left menu and then ==Rest API==
3. Scroll to the **API Credentials** section
4. In the **Allowed IP** box, you can enter either CIDR ranges or specific IP addresses, one per line
- CIDR ranges are in the format: **a.b.c.d/e**
- IP addresses must be complete IPv4 addresses in the format: **a.b.c.d**

![](./e2c6f355-a71e-4d9d-b133-9f9935eea76f-rzu.png)
:::note


We do not support IPv6 restrictions right now.


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