Built for Shopify requirements for Returns and exchanges apps and Subscription apps (effective December 1, 2026)
Shopify developer change
MerchantDiff detected this entry in Shopify's official developer changelog on June 17, 2026.
This Shopify update is categorized as Action Required, Built for Shopify, Update.
What changed
Returns and exchanges and Subscription apps with buyer-facing self-service experiences must use the Customer Account API for customer authentication. This gives buyers and merchants a single, secure sign-in across their storefront, apps, and customer accounts. Who this affects Your app is affected if it falls into either category and offers buyers a self-service experience (for example, managing returns, tracking exchanges, or updating a subscription).
Who is affected
Shopify app developers using the API or platform feature named in this update should review the official change.
What action may be needed
Integrate the Customer Account API for customer authentication in your buyer-facing flows. Review the updated Built for Shopify requirements for full details. Deadline December 1, 2026.
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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