# API Development Requirements

You need the following software and components for developing VisionPro Deep Learning custom applications through the VisionPro Deep Learning API:

- Microsoft® Visual Studio® 2017, 2019, or 2022
- Microsoft .NET Framework 4.7.2
- For VisionPro and Designer users, Microsoft .NET Framework 4.8

Note: For more information about the VisionPro Deep Learning API, see the Cognex Deep Learning .NET Documentation and the Cognex Deep Learning C Documentation help files.