# API Reference and Libraries
The up-to-date API documentation is split up in two parts.
# REST API Documentation
Please see this page.
# MQTT API Documentation
Please see this page.
# Client Libraries
IoT Open provides clients for accessing the API in different languages as open-source projects.
# Golang
go-lynx
on GitHub (opens new window).
# JavaScript (node)
node-lynx
on GitHub (opens new window) or NPMjs.org (opens new window)
# React
react-node
på GitHub (opens new window)