Documentation / AutoCAD API

AutoCAD API

Create solutions and enhance core software functionality 

Autodesk AutoCAD® software is a platform for developing specialized design and drafting applications. Its open architecture and APIs allow for customization that extends to Autodesk industry-specific design software and a wide range of add-on applications created by the Autodesk Developer Network (ADN). AutoCAD provides programming environments including ObjectARX® with object-oriented C++ interfaces, the managed AutoCAD .NET API, the complete Visual LISP® development environment, and the ActiveX® interface.

Learn more about AutoCAD

APIs

AutoCAD has several different environments to help you customize and extend software functionality. The ObjectARX documentation is installed with the ObjectARX SDK and is available as part of the product Help.

Tutorials

SDKs and tools

Download these templates and tools to help you create custom applications using ObjectARX and .NET for AutoCAD.

Community and support

Connect with other developers working with the AutoCAD API. Ask questions, share tips, and learn from the community.

Get API support with ADN

Join the Autodesk Developer Network (ADN) for top tier support, special event opportunities, access to Autodesk software, and more.

AutoCAD API customization discussion forum

Take part in active API discussion forums moderated by Autodesk software engineers. AutoCAD has several customization forums with useful software development information.

ADN AutoCAD API DevBlog

Get news, expert tips and insider resources directly from Autodesk software engineers.

Through the Interface Blog

Get valuable insights and resources to help you harness the full potential of AutoCAD through customization from Kean Walmsley.

Stack Overflow

Ask questions and find community-driven solutions using the [autodesk-platform-services] tag.