> For clean Markdown of any page, append .md to the page URL. > For a complete documentation index, see https://avalara.ferndocs.com/docs/get-certified/filing/llms.txt. > For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://avalara.ferndocs.com/_mcp/server. # Filing > API solutions for end-to-end tax compliance. ## Docs - [Returns badge](https://avalara.ferndocs.com/docs/get-certified/filing/returns.md) - [Extractor badge](https://avalara.ferndocs.com/docs/get-certified/filing/extractor.md) - [Lodging Tax badge](https://avalara.ferndocs.com/docs/get-certified/filing/lodging-tax.md) - [1099 & W-9 badge](https://avalara.ferndocs.com/docs/get-certified/filing/1099-w-9.md)