Functions Classic is being deprecated and migrating to new Functions
Twilio is retiring Functions Classic and automatically migrating all accounts to the new Functions platform. Starting September 13, 2026, new Functions (Classic) cannot be created, and between September 14 and October 26, 2026, all existing Functions, assets, URLs, environment variables, and code will be automatically migrated with no action required from customers.
Twilio is retiring Functions Classic and automatically migrating all accounts to the new Functions. No action is required from customers.
What's changing with Twilio Functions
Starting September 13, 2026, customers won’t be able to create new Functions (Classic) and assets. Existing Functions (Classic) and assets will continue running, and customers can still edit and deploy existing code during this window.
Between September 14 and October 26, 2026, Twilio will migrate all active Functions (Classic), existing URLs, function and asset names, environment variables, and deployed code to the new Functions.
Need a hand?
These resources will help:
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