# Whitelist IPs from the platform
This article will share a list of IP addresses used by the Platform you can whitelist IPs to allow requests only from the Platform.
# Firewall Settings
For security reasons, you should protect your API and block requests coming from outside the Platform infrastructure.
The Platform adds the X-OAH-Proxy-Secret header on every request. This header has a unique value for every API, and if the header is missing or has a different value, you can assume the request is not coming from our infrastructure. The header for this API is: X-OAH-Proxy-Secret followed by a unique string.
# List of IP Addresses Used by the Platform
Every request coming from the Platform Network will come from the following IP addresses. You can whitelist these IPs, as they are the ones used to send requests only from the Platform.
A request coming from the Platform can be considered already authenticated, so no billing or authentication checks are required on the API side.
Here is the complete list of IPs to whitelist: [Updated: 20 Jan 2021]
Notice that you must accept API requests from ALL IPs below, regardless of which region your servers are located in.
| Region | IPs |
|---|---|
| US East | 107.23.255.128,107.23.255.129,107.23.255.131,107.23.255.132,107.23.255.133,107.23.255.134,107.23.255.135,107.23.255.137,107.23.255.138,107.23.255.139,107.23.255.140,107.23.255.141,107.23.255.142,107.23.255.143,107.23.255.144,107.23.255.145,107.23.255.146,107.23.255.147,107.23.255.148,107.23.255.149,107.23.255.150,107.23.255.151,107.23.255.152,107.23.255.153,107.23.255.154,107.23.255.155,107.23.255.156,107.23.255.157,107.23.255.158,107.23.255.159 |
| US West | 35.162.152.183,52.38.28.241,52.35.67.149,54.149.215.237 |
| Mumbai | 13.127.146.34,13.127.207.241,13.232.235.243,13.233.81.143 |
| Tokyo | 13.112.233.15,54.250.57.56,18.182.156.77,52.194.200.157 |
| Frankfurt | 3.120.160.95,18.184.214.33,18.197.117.10,3.121.144.151 |
| Sydney | 13.239.156.114,13.238.1.253,13.54.58.4,54.153.234.158 |
| South America | 18.228.167.221,18.228.209.157,18.228.209.53,18.228.69.72 |
| Singapore | 13.228.169.5,3.0.35.31,3.1.111.112,52.220.50.179 |
| Ireland | 34.250.225.89,52.30.208.221,63.34.177.151,63.35.2.11 |