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## API Updates for April 20, 2023

**API**

* Updated Orders V2 to support the `limit` parameter for the [DELETE all orders](/developer/api-reference/rest/admin/management/orders) endpoint.

* Data Solutions is now available. The API reference is included in the GraphQL Admin API reference.

* Added `show_pre_order_stock_levels` and `show_out_of_stock_message` fields to Inventory Settings in the [Settings API](/developer/api-reference/rest/admin/management/settings/inventory) and GraphQL Storefront API.

* Added assignVar handlebars helpers limit of 50 unique keys.

* The Apps Quick Start article now provides instructions to configure your app’s `remove_user` callback.

* Pages V2 is officially deprecated. If you haven’t switched to [Pages V3](/developer/api-reference/rest/admin/content/pages), now is the time!

* Updated the About our APIs article, including a note that our response headers are case-insensitive.

* Updated the Catalog API. We’re excited about the upcoming changes to make the Catalog specification more pull request friendly.  See the following `bigcommerce/api-specs` pull requests:

[PR 1275](https://github.com/bigcommerce/api-specs/pull/1275)

* [PR 1267](https://github.com/bigcommerce/api-specs/pull/1267)

* [PR 1259](https://github.com/bigcommerce/api-specs/pull/1259)