> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.v2.rasen.ai/api-reference/usage/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.v2.rasen.ai/_mcp/server.

# Usage


## API Docs

- Usage [Read quantity usage](https://docs.v2.rasen.ai/api-reference/usage/list.md)
- Usage [Query usage with a JSON filter](https://docs.v2.rasen.ai/api-reference/usage/query.md)

## OpenAPI Specification

The raw OpenAPI 3.1 specification for this API is available at:
- [OpenAPI JSON](https://docs.v2.rasen.ai/api-reference/usage/openapi.json)
- [OpenAPI YAML](https://docs.v2.rasen.ai/api-reference/usage/openapi.yaml)