> 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 and Theme Updates for March 20, 2020

**API**

* Royal Mail is no longer a supported carrier for creating Order Shipments

* Tax Classes API now returns the default tax class

**Theme**

* Theme Editor [was deprecated](https://github.com/bigcommerce/stencil-cli/pull/573) in Stencil CLI versions 1.23.1 and later

**Developer Blog**

[How to Write Inclusive Documentation](https://medium.com/bigcommerce-developer-blog/how-to-write-inclusive-documentation-870e88a2d343)