--- title: "Shopify Global Catalog REST API stops serving traffic on November 2, 2026: 2026-11-02 | Harbyn" description: "Shopify Global Catalog REST API stops serving traffic on November 2, 2026, effective Nov 2, 2026." canonical: "https://harbyn.com/changes/shopify/2026-10-09-global-catalog-rest-api-stops-serving-traffic-on-november-2-2026" last-updated: 2026-10-10 --- # Shopify Global Catalog REST API stops serving traffic on November 2, 2026 Markdown version of . Retirement - Shopify. high severity. Announced. Upcoming. The Global Catalog REST API, deprecated in April 2026, stops serving traffic on November 2, 2026. After that, all requests to discover.shopifyapps.com/global/ fail, including requests against saved catalogs: GET /global/v2/search, GET /global/v2/p/{upid}, GET /global/v2/p/by-variant/{vid} and POST /global/v2/lookup. Apps must migrate to Global Catalog MCP (Universal Commerce Protocol) before that date. 8 days left: the deadline is Nov 2, 2026. ## Facts | Fact | Value | | --- | --- | | Vendor | [Shopify](https://harbyn.com/vendors/shopify.md) | | Kind | Retirement | | Severity | high | | Status | Announced | | Announced | Oct 9, 2026 | | Effective | Nov 2, 2026 | | Added to Harbyn | Oct 10, 2026 | | Lead time | 23 days of warning | | Endpoints | `GET /global/v2/search`, `GET /global/v2/p/{upid}`, `GET /global/v2/p/by-variant/{vid}`, `POST /global/v2/lookup` | | Replacement | Global Catalog MCP at catalog.shopify.com/api/ucp/mcp (search\_catalog, lookup\_catalog, get\_product). | | Vendor page | | | Review | Reviewed by a person, extracted by a model | ## Find it in your code ```sh npx harbyn scan ``` The scanner reads your repository on your machine and reports every file and line that uses the identifiers above. Nothing leaves your machine. ## Sources Where this event comes from: the page we read, when we read it, and the hash of that snapshot. - (changelog, fetched 2026-10-10 05:59 UTC, sha256 `1787d25bd7e214b842e9a548c367005df97173a66c94de4be917f9437d705435`) ## Related changes ### More from Shopify - [Product view events include currency](https://harbyn.com/changes/shopify/2026-10-08-hydrogen-developer-preview-update-october-8-2026.md) (Behavior change, announced Oct 8, 2026) - [owner\_type required on metafield declarations in Checkout and Customer Account UI extensions from API version 2027-01](https://harbyn.com/changes/shopify/2026-10-08-new-owner-type-field-for-metafield-declarations-in-checkout-and-customer-acc-2.md) (Breaking change, announced Oct 8, 2026) - [POS UI extensions 2026-10 cart mutations reject unconfirmed writes](https://harbyn.com/changes/shopify/2026-10-07-cart-mutations-reject-unconfirmed-writes-in-pos-ui-extensions-2026-10.md) (Breaking change, announced Oct 7, 2026) - [POS UI extensions return percentage values for percentage discounts](https://harbyn.com/changes/shopify/2026-10-07-pos-ui-extensions-now-return-percentage-values-for-percentage-discounts.md) (Breaking change, announced Oct 7, 2026) ### Changes at other vendors - [OpenRouter: arcee-ai/trinity-large-thinking expire 2026-10-26](https://harbyn.com/changes/openrouter/2026-10-23-arcee-ai-trinity-large-thinking-expires-2026-10-26.md) (effective Oct 26, 2026) - [Google Cloud Run and Functions: Node.js 20 runtime decommission](https://harbyn.com/changes/google-cloud/2026-10-08-node-js-20-runtime-decommission.md) (effective Oct 30, 2026) - [Mistral AI: Z.ai GLM 5.2 (zai-glm-5-2) retires on Mistral on October 31, 2026](https://harbyn.com/changes/mistral/2026-09-29-z-ai-glm-5-2-deprecated-and-scheduled-for-retirement.md) (effective Oct 31, 2026) - [Fireworks AI: DeepSeek V4 Flash 0731 retires from Serverless Training November 2](https://harbyn.com/changes/fireworks/2026-10-18-upcoming-serverless-training-deprecation-deepseek-v4-flash-0731.md) (effective Nov 2, 2026) [All upcoming deadlines](https://harbyn.com/deadlines.md)