# QDMI on IQM

> QDMI on IQM 1.4.0 documentation


2025 - 2026 IQM Finland Oy

## Pages in this subsection

- [C/C++ API Reference](index.html.md): * `types.h`
- [`types.h`](types.html.md): Defines all types used within QDMI across the client_interface and the QDMI Device Interface.
- [`constants.h`](constants.html.md): Defines all enums used within QDMI across the client_interface and the QDMI Device Interface.
- [`device.h`](device.html.md): Describes the functions to be implemented by a device or backend to be used with QDMI.
- [type size_t](_cpp_compat.html.md): Page content

## Optional

- [Top-level llms.txt](../llms.txt): Complete documentation index.