July 25, 2025
We consolidated all Smartsheet API webhook traffic behind a single domain: webhooks.smartsheet.com. This simplifies firewall management for customers and enhances security by eliminating the need to manage multiple Smartsheet IP addresses. Please work with your IT team to add webhooks.smartsheet.com to prevent disruption to new and existing webhooks.
Environments availability: Commercial US, Commercial EU, Commercial AU
Plan availability: Pro, Business, Enterprise, Advanced Work Management
Subscription Model Availability: Legacy Collaborator Model, User Subscription Model