What commerce operators should check this week.

A free, source-backed operating brief. This issue contains only reviewed changes with a concrete audience and action; empty sections are stated instead of filled with unverified news.

01 · High-impact changes

Changes worth opening

Report SchemaJul 8, 2026confirmed

Invoice by Amazon expands to VCS Lite and Brazil invoice exports add cancellation XML

Eligible VCS Lite sellers can enroll in Invoice by Amazon, and from July 15 the Brazil Invoices API document ZIP can include cancellation XML files identified by a dedicated suffix.

DeprecationJul 6, 2026confirmed

Customer Account API removes lastIncompleteCheckout and Checkout types in 2026-10

Customer Account API 2026-10 removes Customer.lastIncompleteCheckout and the Checkout type subtree. Shopify directs affected integrations to Storefront API cart flows and Customer.orders.

Api ChangeJul 3, 2026confirmed

Markets API adds state and province subdivisions for market-driven shipping

Apps can encounter state- and province-level Market regions in Admin API 2026-07 as merchants adopt market-driven shipping; deprecated market.regions may omit them.

02 · Fees, payouts and refunds

Settlement-adjacent changes

ShopifyDraft order deposit fields added to Admin and Customer Account GraphQL APIs ShopifyCustomer Account API exposes draft-order discount applications and allocations ShopifypriceRule removed from DraftOrderDiscountNotAppliedWarning in Admin API 2026-10

03 · What to check this week

Concrete next actions

Amazon
By July 15, bypass uploads when Amazon reports that it created the invoice and update Brazil invoice ZIP parsing to recognize cancellation XML files.View reasoning →
Shopify
Before adopting Customer Account API 2026-10, remove affected queries and migrate checkout-state workflows to supported cart or order flows.View reasoning →
Shopify
Read subdivision membership from Markets conditions and avoid applying unsupported discounts, catalogs, themes or metafields to shipping-only subdivision Markets.View reasoning →
Shopify
Inventory extensions using the deprecated hook or capability and plan equivalent validation Functions before the APIs are removed.View reasoning →
Shopify
Use the stable identifier for cross-shop legal-entity and tax reconciliation while retaining a null-safe fallback for entities without an organization-level ID.View reasoning →
Shopify
Detect shops using market-driven shipping, stop treating merchant-owned delivery profiles as authoritative, and migrate each use case to the supported Markets or app-owned profile APIs.View reasoning →
Shopify
If a Shopify Plus workflow offers partial-payment terms, evaluate the new deposit fields; otherwise no action is required.View reasoning →
Shopify
Use the new fields where customer-account views must explain draft-order discounts, and reconcile allocation totals with existing order presentation before rollout.View reasoning →
Shopify
Audit Customer Account API queries on DraftOrderLineItem and replace discountedUnitPrice with approximateDiscountedUnitPrice before a future removal.View reasoning →
Shopify
Map current market shipping strategies to the new configuration model and test inherited, disabled and free-threshold behavior before writing live Market settings.View reasoning →
Amazon
Review EU FBM handling-time workflows, update listing title payloads for the split schema by July 27, and make External Fulfillment polling handle ACCEPTED before CREATED is retired.View reasoning →
Shopify
Before adopting Admin API 2026-10, replace priceRule title and code reads in draft-order mutation response handling.View reasoning →

04 · Upcoming deadlines

Changes with a clock

2026-07-15Invoice by Amazon expands to VCS Lite and Brazil invoice exports add cancellation XML API version 2026-10Customer Account API removes lastIncompleteCheckout and Checkout types in 2026-10 2026-07-27Amazon changes EU FBM rules, listing titles and External Fulfillment shipment status API version 2026-10priceRule removed from DraftOrderDiscountNotAppliedWarning in Admin API 2026-10

05 · Report format and operations

Fields and workflows changing

AmazonInvoice by Amazon expands to VCS Lite and Brazil invoice exports add cancellation XML ShopifyCustomer Account API deprecates discountedUnitPrice on DraftOrderLineItem ShopifypriceRule removed from DraftOrderDiscountNotAppliedWarning in Admin API 2026-10

06 · Original sources

Verify at the source

Invoice by Amazon expands to VCS Lite and Brazil invoice exports add cancellation XMLdeveloper-docs.amazon ↗Customer Account API removes lastIncompleteCheckout and Checkout types in 2026-10shopify.dev ↗Markets API adds state and province subdivisions for market-driven shippingshopify.dev ↗useBuyerJourneyIntercept and block_progress deprecated in checkout UI extensionsshopify.dev ↗Admin API adds a stable legal entity ID across Shopify shops and marketsshopify.dev ↗Merchant-owned delivery profile APIs become stale under market-driven shippingshopify.dev ↗Draft order deposit fields added to Admin and Customer Account GraphQL APIsshopify.dev ↗Customer Account API exposes draft-order discount applications and allocationsshopify.dev ↗Customer Account API deprecates discountedUnitPrice on DraftOrderLineItemshopify.dev ↗Shopify moves market-specific shipping configuration into Markets APIshopify.dev ↗Amazon changes EU FBM rules, listing titles and External Fulfillment shipment statusdeveloper-docs.amazon ↗priceRule removed from DraftOrderDiscountNotAppliedWarning in Admin API 2026-10shopify.dev ↗

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