# Avalara Developer

> API solutions for end-to-end tax compliance.

## Instructions for AI Agents

- For clean Markdown of any page, append `.md` to the page URL
- For section-specific indexes, append `/llms.txt` to any section URL
- For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://avalara.ferndocs.com/_mcp/server

## Products

- [Home](https://avalara.ferndocs.com/home/llms.txt)
  - [Home](https://avalara.ferndocs.com/home.md)
- [Documentation](https://avalara.ferndocs.com/docs/llms.txt)
  - [Before you begin](https://avalara.ferndocs.com/docs/integration-guides/sales-and-use-tax/ecommerce/before-you-begin.md)
  - [Authentication](https://avalara.ferndocs.com/docs/integration-guides/sales-and-use-tax/ecommerce/authentication.md)
  - [Error handling](https://avalara.ferndocs.com/docs/integration-guides/sales-and-use-tax/ecommerce/error-handling.md)
  - [Configure AvaTax](https://avalara.ferndocs.com/docs/integration-guides/sales-and-use-tax/ecommerce/configure-avatax.md)
  - [AvaTax transction concepts](https://avalara.ferndocs.com/docs/integration-guides/sales-and-use-tax/ecommerce/avatax-transction-concepts.md)
- [APIs](https://avalara.ferndocs.com/api-reference/llms.txt)
  - [Overview](https://avalara.ferndocs.com/api-reference/overview.md)
  - [Coming soon](https://avalara.ferndocs.com/api-reference/tax-registrations/coming-soon.md)
- [SDKs](https://avalara.ferndocs.com/sdks/llms.txt)
  - [Overview](https://avalara.ferndocs.com/sdks/overview.md)
- [MCPs](https://avalara.ferndocs.com/mcp/llms.txt)
  - [Overview](https://avalara.ferndocs.com/mcp/overview/overview.md)
  - [MCP servers](https://avalara.ferndocs.com/mcp/mcp-servers/home.md)
  - [Avalara E-Invoicing and Live Reporting](https://avalara.ferndocs.com/mcp/mcp-servers/e-invoicing.md)
  - [Avalara Tax Content](https://avalara.ferndocs.com/mcp/mcp-servers/tax-content.md)
  - [AvaTax](https://avalara.ferndocs.com/mcp/mcp-servers/avatax.md)