> ## Documentation Index
> Fetch the complete documentation index at: https://rain-sandbox-trial.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Integration Resources

> The technical assets you need on the way to production: egress IP addresses, session public keys, and sandbox test tokens.

These pages hold the technical assets, security credentials, and testing
utilities you need to move from development to production.

<Columns cols={2}>
  <Card title="IP Whitelisting" icon="network-wired" href="/docs/ip-whitelisting">
    Allow Rain's production and sandbox egress IP addresses through your
    firewall.
  </Card>

  <Card title="SessionId Public Keys" icon="key" href="/docs/resource-sessionid-keys">
    Get the per-environment public keys that verify the authenticity of
    `SessionId` data.
  </Card>

  <Card title="Mint Test Tokens for Collateral" icon="coins" href="/docs/sandbox-mint-test-tokens-for-collateral">
    Mint `rUSD` test tokens on supported testnets to fund collateral in the
    sandbox.
  </Card>
</Columns>