# Qlik Sense on Windows Help for Developers

Use Qlik Sense APIs and tools to build, extend and deploy custom data-driven applications. You can also build mashups, create apps and visualizations on the fly, or embed rich and engaging analytics into your applications.

Information note**Developing for Qlik Cloud?**

Check out the site [Qlik Developer](https://qlik.dev/) instead.

![](https://help.qlik.com/en-US/sense-developer/May2025/Content/Resources/Images/QlikIcons2024/Megaphone.svg)

## What's new

Learn about new features and improvements.

![](https://help.qlik.com/en-US/sense-developer/May2025/Content/Resources/Images/QlikIcons2024/Document-API.svg)

## API policy

The API policy include guidelines around your rights and responsibilities when accessing Qlik’s publicly available APIs and the related API documentation.

## APIs for Qlik Sense Enterprise on Windows

Use Qlik Sense APIs on Windows to automate jobs like creating and triggering tasks, applying licenses, and uploading extensions.

### Get started with APIs on Windows

Start using Qlik Sense APIs on Windows.

### API reference for Windows

See all of the APIs that you can use within Qlik Sense Enterprise on Windows.

## How to use the APIs

Build your first mashup, and extension for Qlik Sense. Explore how you can do more with Qlik Sense APIs, and more.

### Working with mashups

See the many ways that you can work with mashups in Windows and Qlik Sense SaaS.

### Working with extensions

Create visualization extensions to extend the visualization capabilities of Qlik Sense by using standard Web technologies.

### Building customized connectors

Build customized connectors, used to retrieve data from data sources not supported by a generic Qlik Sense installation.

### Building Windows applications

Use the .NET SDK to integrate Qlik Sense in your own Windows (.NET) applications.

## Tools and development kits

### Dev Hub

Use the Dev Hub to build mashups, and visualization extensions.

### Qlik Sense .NET SDK

The Qlik Sense .NET SDK contains components for embedding Qlik Sense into host application programs developed by software manufacturers on an OEM basis.

### QVX SDK

Use the QVX SDK to build customized connectors, used to retrieve data from data sources not supported by a generic Qlik Sense installation.