createdAt is now available on the Customer object in Shopify Functions

Breaking / action requiredEffective n/a

Shopify Functions API version 2026-10 adds a createdAt field to the Customer object. You can now use the date and time a customer account was created in Function logic. This is an additive change; no action is required for existing Functions.

Summary extracted from the official source text. Verify details on the source page.

PlatformShopify
Effective dateNo date published
Precisionn/a
Published2026-07-30
CategoriesBreaking / action required
Tags2026-10, API, Functions, New
Official sourceShopify developer changelog ↗
Fetched2026-10-17T03:44:00+00:00
First seen2026-10-17T01:05:46+00:00
StatusListed by the source
Stable IDshopify-5560bb9a1d · JSON