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

# Releases

## Versioning

Versioning is implemented via URL segment. The value should match the pattern `v[version]`. For the Invoice API, this URL segment should look like:

```
https://[api-endpoint]/v1/expenses
```

> Invoice API changelog and release notes.