.. meta::
  :description: Learn about the frontend C++, backend C, and Knob APIs used in hipDNN.
  :keywords: hipDNN, ROCm, API

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hipDNN API reference
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Review these topics for detailed information on the frontend C++, backend C, and Knob APIs used in hipDNN.

Topics
======

- :ref:`frontend-api`

  - :ref:`frontend-graph`
  - :ref:`frontend-utilities`
  - :ref:`frontend-types`
  - :ref:`frontend-handle`
  - :ref:`frontend-logging`
  - :ref:`frontend-error`

- :ref:`backend-api`

  - :ref:`backend-api-attribute`
  - :ref:`backend-api-attribute-type`
  - :ref:`backend-api-callback-type`
  - :ref:`backend-api-descriptor-type`
  - :ref:`backend-api-heuristic-type`
  - :ref:`backend-api-limits`
  - :ref:`backend-api-status`
  - :ref:`backend-api-flat`
  - :ref:`backend-api-load`
  - :ref:`backend-api-unload`

- :ref:`knob-api`