Calendly IP address update

To keep Calendly secure and reliable, we're updating the public IP addresses used by our website and APIs on February 18, 2025.

If your company uses a firewall or similar security tool that requires IP allowlisting, follow the steps below to avoid service interruptions.

Allowlist the new IP addresses

1. Go to our developer IP address list.
2. Update your firewall or security settings to include all IP addresses listed.

Test your setup

After updating your settings, test Calendly to confirm everything works as expected.