POS Extensions now supports a background extension target
Shopify developer change
MerchantDiff detected this entry in Shopify's official developer changelog on July 09, 2026.
This Shopify update is categorized as API, New, POS Extensions, 2026-07.
What changed
The pos.app.ready.data target runs for the entire POS session, letting your extension observe POS events and run background logic without rendering any UI surface. Use it for event observation, data storage, and calling non-visual background APIs.
Who is affected
Developers maintaining Shopify POS apps or POS UI extensions should review this change.
What action may be needed
Subscribe to Shopify POS events with shopify.addEventListener(): shopify.addEventListener('transactioncomplete', (event) => { console.log('Transaction complete', event); }); Supported events Supported events include: transactioncomplete cashtrackingsessionstart cashtrackingsessioncomplete For comprehensive details and best practices, refer to the app background target documentation.
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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