# HeyMadeIt developer documentation

> Printer-scoped REST API and MCP integration. Technical documentation is in English.

## API
- [Interactive reference](https://onprint-test.heymadeit.com/developers): Swagger UI, quickstart, auth and examples.
- [OpenAPI 3.1 JSON](https://onprint-test.heymadeit.com/api/v1/openapi.json): Full REST contract and request examples.
- [Raw reference](https://onprint-test.heymadeit.com/developers/reference.md): All operations, scopes, schemas and response statuses.
- [Quickstart](https://onprint-test.heymadeit.com/developers/quickstart.md): cURL, server-side JavaScript and Python.
- [Full agent context](https://onprint-test.heymadeit.com/llms-full.txt): Guide, REST reference and printer/MCP manuals.
- [Postman collection](https://onprint-test.heymadeit.com/developers/postman.json): Importable requests, with empty credential variables.

## Help
- [Printer manual](https://heymadeit.com/en/help/printers)
- [MCP manual](https://heymadeit.com/en/help/mcp): OAuth, template validation and printer-owned publishing.

## Rules
Use the assigned printer hostname. Keep merchant keys server-side. REST bearer keys are not MCP tokens. Do not invent endpoints. Publishing printer templates uses MCP with authorized printer staff; it must not modify HeyMadeIt shared templates.