> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://staging.chrisp.chat/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# How can I whitelist Crisp servers?

**Companies operating over filtered networks may need to whitelist our systems in order to be able to access Crisp.**

This ranges from the user agents we use to perform HTTP requests, our server IP addresses (inbound and outbound) and our domain names (useful for CSP policies).

|| 👉 The [Whitelisting our Systems documentation](https://docs.crisp.chat/guides/others/whitelisting-our-systems/) is available on our Developer Hub.