I understand that cart attributes can be updated via the useApplyAttributeChange from checkout UI extensions. Is there a way to accomplish the same thing in a way that doesn’t require Shopify Plus? I thought I might be able to update cart attributes via a storefront api GraphQL mutation, but it see…

Modify cart attributes with checkout extension

KyleG-Shopify October 7, 2025, 2:47pm 2

Topic		Replies	Views
Cart attributes rarely carry over to customAttributes on Order object Products and Orders APIs admin-api-orders	10	89	October 7, 2025
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