> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.bigcommerce.com/developer/learn/courses/b2b-buyer-portal/portal-api/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.bigcommerce.com/_mcp/server.

# Module 2: B2B JavaScript API

> Build amazing commerce solutions powered by the BigCommerce platform

## Docs

- [Interacting with the Hosted Portal](https://docs.bigcommerce.com/developer/learn/courses/b2b-buyer-portal/portal-api/interacting-with-the-hosted-portal.md)
- [Lab - Create a Mini App](https://docs.bigcommerce.com/developer/learn/courses/b2b-buyer-portal/portal-api/lab-create-a-mini-app.md)
- [Lab - Add Header Links](https://docs.bigcommerce.com/developer/learn/courses/b2b-buyer-portal/portal-api/lab-add-header-links.md)
- [The JavaScript API](https://docs.bigcommerce.com/developer/learn/courses/b2b-buyer-portal/portal-api/the-javascript-api.md)
- [Lab - Add Dynamic Data](https://docs.bigcommerce.com/developer/learn/courses/b2b-buyer-portal/portal-api/lab-add-dynamic-data.md)