Changes to Cart token format for AJAX and Storefront GraphQL Cart APIs

Breaking / action requiredFormat changeEffective n/a

Cart tokens will now be returned with a new format for both the AJAX and Storefront GraphQL Cart APIs. API features and functionality remain unchanged. Apps and themes should be designed to handle cart tokens in any format and of any length. Treat the cart token as a random identifier that will change in the future.

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

PlatformShopify
Effective dateNo date published
Precisionn/a
Published2025-07-02
CategoriesBreaking / action requiredFormat change
TagsAPI, Action Required, Update
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-409414bc41 · JSON