> This page is for Developer.

> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.bigcommerce.com/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.bigcommerce.com/_mcp/server.

## API Announcements for May 19, 2022

**BundleB2B**

* Updated BundleB2B developer documentation to reflect BigCommerce’s acquisition of BundleB2B.

**API**

* Removed remaining X-Auth Client header references since it is no longer required in API calls since October 2020.

**Developer Blog**

* [AMA Recap: Everything you need to know about building apps with BigCommerce](https://medium.com/bigcommerce-developer-blog/ama-recap-everything-you-need-to-know-about-building-apps-with-bigcommerce-645e0533750f?source=collection_home---4------1-----------------------)

* [Join the Customer Segmentation API Beta](https://medium.com/bigcommerce-developer-blog/join-the-customer-segmentation-api-beta-1ac0139a41f1)