Checkout metafields removed from checkout and customer account UI extensions in 2026-04
API version 2026-04 removes reading and writing checkout metafields in checkout and customer account UI extensions; cart metafields replace them in checkout and order metafields replace them in customer account extensions.
Read the official Shopify source01 · Source fact
What changed
API version 2026-04 removes reading and writing checkout metafields in checkout and customer account UI extensions; cart metafields replace them in checkout and order metafields replace them in customer account extensions.
- Published
- Apr 27, 2026
- Effective
- API version 2026-04
- Deadline
- No explicit deadline stated
02 · Business impact
Who and what may be affected
- Operators
- Agency
- Surfaces
- Checkout Ui Extensions, Customer Account Ui
- Impact
- Technical, Operations
- Settlement categories
- No direct payout category identified
03 · Next action
What to check
Upgrade checkout and customer-account UI extensions to 2026-04 and migrate checkout metafield usage to cart metafields or order metafields before older API versions fall out of support.
confirmed source relationshipLast reviewed Jul 26, 2026