# מערכת הפקת מסמכים – Invoice engine > Israeli invoicing system (tax invoices, receipts, credit notes, quotes) per the Israeli bookkeeping regulations, > with a REST API at https://retzef.magnetads.co.il/api/v1 and an MCP server for Claude at https://retzef.magnetads.co.il/api/mcp. Amounts are integer > agorot; issued documents can never be edited or deleted; irreversible actions need the user's explicit confirmation. The reference is in Hebrew; paths, fields and JSON are in English. Authenticate with `Authorization: Bearer ` (login session `ies_`, personal access token `iep_` or business API key `iek_`). ## Docs - [API reference for AI agents](https://retzef.magnetads.co.il/docs/api.md): the whole API, MCP tools and webhook verification in one Markdown file - [OpenAPI 3.1 specification](https://retzef.magnetads.co.il/docs/openapi.json): every public endpoint under /api/v1, with request and response schemas - [Developer documentation](https://retzef.magnetads.co.il/docs): the same reference as a web page (Hebrew) ## Optional - [Full text](https://retzef.magnetads.co.il/llms-full.txt): same content as api.md - [Connecting Claude](https://retzef.magnetads.co.il/connect): MCP setup for claude.ai, Claude Desktop and Claude Code (Hebrew)