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AutoCAD Architecture and MEP Developer Center

AutoCAD® Architecture and MEP software are a flexible platform for developing specialized building industry applications as well as interfacing with the model in upstream and downstream applications. With AutoCAD® Architecture and MEP as the platform, you can take advantage of industry-standard tools and technologies when developing applications.


  • Blogs

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

  • Take part in active API discussion forums moderated by Autodesk software engineers. Join one of the AutoCAD Architecture Groups or AutoCAD MEP Group the AutoCAD Architecture Customization Group. You may also find useful software development information in the following AutoCAD development discussion groups:  AutoCAD .NET or ObjectARX.


  • Easily extend the power of AutoCAD Architecture using apps created for the end user community.

  • Get easy access to Forge APIs and documentation, tutorials, GitHub samples, support and more for Autodesk cloud-based software and components in your own web and mobile applications.

  • Learning

    Because AutoCAD® Architecture is based on AutoCAD®, you can take advantage of all the AutoCAD® source code samples for .NET that are included with the installation of AutoCAD® Architecture software in the Samples directory. There are also additional AutoCAD Architecture specific samples included in the installation.


Since 2007 the AutoCAD® Architecture and MEP .NET interfaces have been expanded with many classes to the .NET environment. VB.NET and C# developers can access the power of .NET API. Customize and extend AutoCAD® Architecture and MEP with direct access to most of AutoCAD® Architecture/MEP database structures using any .NET supporting language. Learn more about AutoCAD® Architecture and MEP .NET implementation in the help file and with the samples in the VB.NET and CS.NET folders of the AutoCAD® Architecture and MEP program directory.