Each product in the Autodesk Revit software series offers a dedicated API (Application Programming Interface), allowing third-party developers to integrate their applications seamlessly with Revit products through the Revit API.

The Revit API is built directly on top of the Revit platform, functioning only when Revit is running. This API allows access to the model’s graphical and parameter data, enabling users to create, modify, and delete model elements programmatically.
Developers can create plugins to enhance the user interface and automate complex tasks. Additionally, the API supports integration with third-party applications, facilitating operations such as linking to external databases and transferring data to analytical tools. The Architecture, Structure, and MEP modules within Revit share very similar APIs, collectively referred to as the Revit API.
The Revit API is primarily programmed using C#, a powerful and versatile language.
Through the Revit API, users can programmatically create, adjust, and remove model elements, as well as develop plugins to improve UI functionality and automate repetitive management tasks.
Moreover, the API enables integration of applications across various layers of Revit-based products, supports comprehensive BIM data analysis, and automates the creation of project files.
Secondary development on Revit establishes relationships between simple and important basic parameters, including constraint associations and Revit connections among these parameters. This process completes the parametric construction of new families within the Revit platform. The Revit API acts as an interface between users and Revit, providing capabilities such as browsing BIM model parameters and building interactive UI interfaces.
Common tools for Revit secondary development include Visual Studio 2017, the RevitSDK toolkit, and plugins like RevitLookup and ExtendeManager. Visual Studio 2017 serves as a fundamental development environment supporting languages such as C#, F#, C++, and other .NET-compatible languages, enabling the creation of programs that interact with the Revit API.
— Excerpt from “Research on BIM based Structural Forward Deepening Design” by Jiang Minhui
For learning and communication purposes only. Copyright belongs to the original author. Any infringement will lead to deletion.














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