# API Reference
The Agent Development Kit (ADK) provides comprehensive API references for both Python and Java, allowing you to dive deep into all available classes, methods, and functionalities.
- :fontawesome-brands-python:{ .lg .middle } **Python API Reference**
---
Explore the complete API documentation for the Python Agent Development Kit. Discover detailed information on all modules, classes, functions, and examples to build sophisticated AI agents with Python.
[:octicons-arrow-right-24: View Python API Docs](python/index.html)
- :fontawesome-brands-java:{ .lg .middle } **Java API Reference**
---
Access the comprehensive Javadoc for the Java Agent Development Kit. This reference provides detailed specifications for all packages, classes, interfaces, and methods, enabling you to develop robust AI agents using Java.
[:octicons-arrow-right-24: View Java API Docs](java/index.html)
- :material-console:{ .lg .middle } **CLI Reference**
---
Explore the complete API documentation for the CLI including all of the
valid options and subcommands.
[:octicons-arrow-right-24: View CLI Docs](cli/index.html)
- :material-text-box-outline:{ .lg .middle } **Agent Config YAML reference**
---
View the full Agent Config syntax for configuring ADK with
YAML text files.
[:octicons-arrow-right-24: View Agent Config reference](agentconfig/index.html)
- :material-cog-outline:{ .lg .middle } **REST API Reference**
---
Explore the REST API for the ADK web server. This reference provides details on the available endpoints, request and response formats, and more.
[:octicons-arrow-right-24: View REST API Docs](rest/index.md)