## Introduction

CARTO.js is a JavaScript library that interacts with different CARTO APIs. It is part of the [CARTO Engine](https://carto.com/pricing/engine/) ecosystem.

To understand the fundamentals of CARTO.js v4, [read the guides]({{site.cartojs_docs}}/guides/quickstart/). To view the source code, browse the [open-source repository](https://github.com/CartoDB/carto.js) in Github and contribute. Otherwise, view [examples with Leaflet and Google Maps]({{site.cartojs_docs}}/examples/) or find different [support options]({site.cartojs_docs}}/support/support-options/).

If you find any trouble understanding any term written in this reference, please visit our [glossary]({{site.cartojs_docs}}/guides/glossary/)

The contents described in this document are subject to CARTO's [Terms of Service](https://carto.com/legal/)