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

# Sign IN


## API Docs

- Sign IN [Request Sign-in Code](https://api-docs.papertracc.com/storefront/account/sign-in/request-code.md)
- Sign IN [Sign In](https://api-docs.papertracc.com/storefront/account/sign-in/sign-in.md)
- Sign IN [Sign Out](https://api-docs.papertracc.com/storefront/account/sign-in/sign-out.md)

## OpenAPI Specification

The raw OpenAPI 3.1 specification for this API is available at:
- [OpenAPI JSON](https://api-docs.papertracc.com/openapi.json)
- [OpenAPI YAML](https://api-docs.papertracc.com/openapi.yaml)