Shop User Metafields in Shopify Functions
Shopify developer change
MerchantDiff detected this entry in Shopify's official developer changelog on June 13, 2026.
This Shopify update is categorized as API, New, Functions, 2026-07.
What changed
Shop User is Shopify’s cross-merchant buyer identity. Partners who use metafields on Shop Users can now read those metafields during checkout using Shopify Functions. To learn more, see the Shop User metafields guide in the Shopify developer documentation: https://shopify.dev/docs/api/shop/guides/use-cases/metafields
Who is affected
Developers building or maintaining Shopify checkout customizations should review this change.
What action may be needed
Review whether the new capability is relevant to your app. If you plan to use it, test the affected API or workflow before adopting it in production.
Use the official Shopify entry below as the source of truth for technical implementation details, affected APIs, migration instructions and deadlines.
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