> For clean Markdown of any page, append .md to the page URL. > For a complete documentation index, see https://docs.bigcommerce.com/developer/docs/admin/catalog-and-inventory/migrating-from-catalog-v2-to-v3/llms.txt. > For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.bigcommerce.com/_mcp/server. # Catalog V2 to V3 > Build amazing commerce solutions powered by the BigCommerce platform ## Docs - [Difference between V2 and V3 Catalog REST APIs](https://docs.bigcommerce.com/developer/docs/admin/catalog-and-inventory/migrating-from-catalog-v2-to-v3/overview.md) - [V2 to V3 Catalog Operations Comparison](https://docs.bigcommerce.com/developer/docs/admin/catalog-and-inventory/migrating-from-catalog-v2-to-v3/comparison-of-operations.md)