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## API Updates and Announcements for September 21, 2023

**API**

* Added Universal Analytics to the list of deprecations.

* Updated the [Request shipping rates](/developer/api-reference/rest/integrations/shipping-provider/request-shipping-rates) response body documentation to clarify that the `discounted_cost` field is optional.

* Stored Payment Instruments is now open beta.

* The [Update Cart Line Item](/developer/api-reference/rest/storefront/carts/cart-items/update-cart-line-item) endpoint can now update or delete an existing GiftWrapping.

* Added Best Practices for API Integration Design article.

* Added Keyword Search and View Banner event schemas to BODL.

**Announcements**

* We are implementing an internal migration for [GET **v3/catalog/variants**](/developer/api-reference/rest/admin/catalog/product-variants/get-product-variants) endpoint to enhance our API's performance. If you experience any unexpected API behavior on the following endpoint, please check the documentation to ensure all accurate query parameters and API usage.

* The BigCommerce DevX team is pleased to announce the launch of a new GraphQL Storefront Playground. We’ve made the following improvements:

Add new GraphQL UI

* Replace initial tabs with **Sample queries** navigation to reduce clunkiness

* Select queries from samples now auto-populate URL parameters

* Add Explorer plugin to help with query construction

* Move the URL bar to the bottom right footer

* Resolve several UI-related bugs