chore: more doc tweaks

Author: geclos

docs/guides/api/webhooks.mdx

@@ -78,6 +78,9 @@ Latitude implements a robust webhook delivery system:
 3. **Respond Quickly**: Respond to webhook requests within 5 seconds
 4. **Monitor Failures**: Regularly check webhook delivery status and logs
 5. **Use HTTPS**: Always use HTTPS endpoints for webhook URLs
+6. **Whitelisting**: Whitelist Latitude IP addresses to ensure delivery
+7. **IP Addresses**:
+   - 18.193.205.15
 
 ## Example Implementation