--- title: "BigCommerce API changes, deprecations and deadlines | Harbyn" description: "BigCommerce: 1 upcoming deadline and 23 recorded changes as of 2026-10-25, each with its source." canonical: "https://harbyn.com/vendors/bigcommerce" last-updated: 2026-10-25 --- # BigCommerce: API changes and deadlines Markdown version of . Commerce. 1 upcoming deadline, 23 recorded changes. Every entry cites the BigCommerce page we read it from. ## What we read The BigCommerce pages and feeds our ingestion visits, politely and on a schedule. - **Changelog**: - **Changelog**: ## What the scanner looks for How `harbyn scan` recognises BigCommerce in a repository, on your machine. Nothing leaves it. - **Packages**: `npm @bigcommerce/checkout-sdk` - **API hosts**: `api.bigcommerce.com` ## Upcoming deadlines | Deadline | Change | Use instead | Details | Source | | --- | --- | --- | --- | --- | | Nov 10, 2026 | 301 redirects will apply only to storefront channels | - | | | ## Change history Newest first, by the date BigCommerce announced it. This is the archive: past changes are not warnings, and changes we recorded after they took effect are marked as such. ### October 2026 - Oct 22, 2026, Security: [Checkouts API write requests require the modify scope](https://docs.bigcommerce.com/developer/changelog.md) - Oct 22, 2026, Feature: [Storefront GraphQL adds order total after gift certificates and store credit](https://docs.bigcommerce.com/developer/changelog.md) - Oct 21, 2026, Notice: [B2B address book fields are no longer alpha in Storefront GraphQL](https://docs.bigcommerce.com/developer/changelog.md) - Oct 20, 2026, Feature: [Stored instruments manifest and payments service URL fields documented](https://docs.bigcommerce.com/developer/changelog.md) - Oct 19, 2026, Behavior change: [Checkout ignores malformed cart IDs](https://harbyn.com/changes/bigcommerce/2026-10-19-checkout-no-longer-returns-an-error-for-a-malformed-cart-id.md) - Oct 16, 2026, Behavior change: [Atomic storefront session rotation](https://harbyn.com/changes/bigcommerce/2026-10-16-atomic-storefront-session-rotation.md) - Oct 15, 2026, Feature: [Choose which card brands Apple Pay accepts with Adyen](https://docs.bigcommerce.com/developer/changelog.md) - Oct 14, 2026, Behavior change: [Braintree Pay by bank requests use production credentials and environment](https://harbyn.com/changes/bigcommerce/2026-10-14-braintree-pay-by-bank-now-reaches-the-right-braintree-account.md) - Oct 13, 2026, Feature: [Backorder filters and sorting for List Products](https://docs.bigcommerce.com/developer/changelog.md) - Oct 13, 2026, Behavior change: [PayPal Commerce Platform order details sent to PayPal](https://harbyn.com/changes/bigcommerce/2026-10-13-paypal-commerce-platform-order-details-sent-to-paypal.md) - Oct 12, 2026, Feature: [Cascading price lists are generally available](https://docs.bigcommerce.com/developer/changelog.md) - Oct 9, 2026, Behavior change: [Affirm orders with many products no longer remain Incomplete](https://harbyn.com/changes/bigcommerce/2026-10-09-affirm-orders-with-many-products-are-no-longer-stuck-in-incomplete-status.md) - Oct 9, 2026, Behavior change: [Selected shipping option now matches available options in createCheckout](https://harbyn.com/changes/bigcommerce/2026-10-09-selected-shipping-option-now-matches-the-available-options-in-createcheckout.md) - Oct 8, 2026, Feature: [Shipping option selection strategy for GraphQL Storefront API checkouts](https://docs.bigcommerce.com/developer/changelog.md) - Oct 7, 2026, Behavior change: [Duplicate Worldpay Access checkout payments now return duplicate\_transaction with HTTP 400](https://harbyn.com/changes/bigcommerce/2026-10-07-clearer-error-for-duplicate-worldpay-access-payments-at-checkout.md) - Oct 7, 2026, Breaking change: [Japanese prefecture names now use English spelling](https://harbyn.com/changes/bigcommerce/2026-10-07-japanese-prefecture-names-now-use-english-spelling.md) - Oct 7, 2026, Feature: [Staff Action Logs endpoint added to Store Logs V3 API](https://docs.bigcommerce.com/developer/changelog.md) - Oct 6, 2026, Behavior change: [Storefront GraphQL returns zero, not null, for price list sale and retail prices of 0](https://harbyn.com/changes/bigcommerce/2026-10-06-price-list-sale-and-retail-prices-of-zero-now-return-zero.md) - Oct 5, 2026, Behavior change: [Authorize.net order description format change](https://harbyn.com/changes/bigcommerce/2026-10-05-authorize-net-order-description-fix.md) - Oct 5, 2026, Behavior change: [Admin GraphQL metafield and EventBridge fields accept Control Panel user permissions](https://harbyn.com/changes/bigcommerce/2026-10-05-control-panel-users-can-use-metafield-and-eventbridge-graphql-fields-with-store.md) - Oct 2, 2026, Behavior change: [Unsettled Braintree refund fallbacks are reported as voids](https://harbyn.com/changes/bigcommerce/2026-10-02-braintree-transaction-history-now-reports-unsettled-refund-fallbacks-as-voids.md) - Oct 2, 2026, Feature: [Storefront GraphQL adds downloadPageUrl to physical order line items](https://docs.bigcommerce.com/developer/changelog.md)