API Reference Guide
 

The AutoCAD Civil 3D API enables you to reference AutoCAD Civil 3D components and functionality to extend and develop applications.

The AutoCAD Civil 3D Developer Help includes four components:

Sources of Information

To develop applications using the AutoCAD Civil 3D API, you should be familiar with AutoCAD Civil 3D and AutoCAD applications.

Note:  The AutoCAD Civil 3D Help is useful for understanding how AutoCAD Civil 3D models its domain, and for understanding Civil 3D objects and settings. Since detailed explanations are available in AutoCAD Civil 3D Help, the Civil 3D Developer Help explains them only briefly or not at all. Before you automate or extend an AutoCAD Civil 3D feature, review the subject in AutoCAD Civil 3D Help.