useBuyerJourneyIntercept and block_progress deprecated in checkout UI extensions
Checkout UI extensions API 2026-07 deprecates useBuyerJourneyIntercept and block_progress. Existing extensions continue on current versions, while Shopify recommends server-side cart and checkout validation Functions.
Read the official Shopify source01 · Source fact
What changed
Checkout UI extensions API 2026-07 deprecates useBuyerJourneyIntercept and block_progress. Existing extensions continue on current versions, while Shopify recommends server-side cart and checkout validation Functions.
- Published
- Jul 2, 2026
- Effective
- API version 2026-07
- Deadline
- No explicit deadline stated
02 · Business impact
Who and what may be affected
- Operators
- Agency
- Surfaces
- Checkout Ui Extensions, Shopify Functions
- Impact
- Technical, Operations
- Settlement categories
- No direct payout category identified
03 · Next action
What to check
Inventory extensions using the deprecated hook or capability and plan equivalent validation Functions before the APIs are removed.
confirmed source relationshipLast reviewed Jul 13, 2026