> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.taxcloud.com/api-v-1/guides/api-guides/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.taxcloud.com/_mcp/server.

# API Guides

## Docs

- [Verify an Address](https://docs.taxcloud.com/api-v-1/guides/api-guides/verify-an-address.md)
- [Lookup Sales Tax](https://docs.taxcloud.com/api-v-1/guides/api-guides/lookup-sales-tax.md)
- [Complete an Order](https://docs.taxcloud.com/api-v-1/guides/api-guides/complete-an-order.md)
- [Understanding Returns and Sales Tax](https://docs.taxcloud.com/api-v-1/guides/api-guides/handle-returns/understanding-returns-and-sales-tax.md)
- [Returned API Basics](https://docs.taxcloud.com/api-v-1/guides/api-guides/handle-returns/returned-api-basics.md)
- [Advanced Returns](https://docs.taxcloud.com/api-v-1/guides/api-guides/handle-returns/advanced-returns.md)