We support two types of authentication with your proxies.
1. Username+Password authentication
This is your ProxyRack username and the API key which is listed in your members area / product page.
2. IP Whitelisting
We allow up to 4 different IP addresses to be whitelisted which can be set here:
If you change your password or add a new IP address for authentication it can take up to 15 minutes to reflect on our servers.