> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.mercoa.com/embedded-ap-ar/api-reference/invoice/line-item/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.mercoa.com/_mcp/server.

# Line Item


## API Docs

- Line Item [Update invoice line item](https://docs.mercoa.com/embedded-ap-ar/api-reference/invoice/line-item/update.md)

## OpenAPI Specification

The raw OpenAPI 3.1 specification for this API is available at:
- [OpenAPI JSON](https://docs.mercoa.com/embedded-ap-ar/api-reference/invoice/line-item/openapi.json)
- [OpenAPI YAML](https://docs.mercoa.com/embedded-ap-ar/api-reference/invoice/line-item/openapi.yaml)