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

# Reference

* [Business Rules](https://developer.ups.com/api/reference/shipping/business-rules)
* [Appendix 1](https://developer.ups.com/api/reference/shipping/appendix1)
* [Appendix 2](https://developer.ups.com/api/reference/shipping/appendix2)
* [Errors](https://developer.ups.com/api/reference/shipping/errors)
* [FAQ](https://developer.ups.com/api/reference/shipping/faq)
* [Best Practices](https://developer.ups.com/api/reference/shipping/best-practices)

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Try out UPS APIs with example requests using Postman and learn more about the UPS Postman Collection by visiting our [Postman Guide](https://developer.ups.com/api/reference/postman/guide). Explore API documentation and sample applications through GitHub.

[![Run In Postman](https://run.pstmn.io/button.svg)](https://god.gw.postman.com/run-collection/29542085-af2f70b3-405b-4aee-af8d-1eb715e4cebc?action=collection%2Ffork\&source=rip_markdown\&collection-url=entityId%3D29542085-af2f70b3-405b-4aee-af8d-1eb715e4cebc%26entityType%3Dcollection%26workspaceId%3D7e7595f0-4829-4f9a-aee1-75c126b9d417)

[![Open in GitHub](https://www.ups.com/assets/resources/webcontent/images/gitHubButton.svg)](https://github.com/UPS-API)