(api-section)=
# API

In this section, find complete API documentation for ExecuTorch's export, runtime, and extension interfaces. Includes comprehensive references for Python, C++, and Java APIs across all supported platforms.

- {doc}`export-to-executorch-api-reference` — Export to ExecuTorch API Reference
- {doc}`executorch-runtime-api-reference` — ExecuTorch Runtime API Reference
- {doc}`runtime-python-api-reference` — Runtime Python API Reference
- {doc}`api-life-cycle` — API Life Cycle
- [Android doc →](https://pytorch.org/executorch/main/javadoc/)** — Android API Documentation
- {doc}`extension-module` — Extension Module
- {doc}`extension-tensor` — Extension Tensor
- {doc}`running-a-model-cpp-tutorial` — Detailed C++ Runtime APIs Tutorial

```{toctree}
:hidden:
:maxdepth: 1
:caption: API Reference

export-to-executorch-api-reference
executorch-runtime-api-reference
runtime-python-api-reference
api-life-cycle
extension-module
extension-tensor
running-a-model-cpp-tutorial