# Matching and Measurement API Guide

This section details the main API functionalities for Matching and Measurement **eVision** libraries.

| ![image](assets/images/home/easyobject.webp)   | [EasyObject](easyobject/index.html.md)   |
|------------------------------------------------|-------------------------------------------------------------|
| ![image](assets/images/home/easygauge.webp)    | [EasyGauge](easygauge/index.html.md)    |
| ![image](assets/images/home/easyfind.webp)     | [EasyFind](easyfind-library.html.md)     |
| ![image](assets/images/home/easymatch.webp)    | [EasyMatch](easymatch-library.html.md)    |

The following API pages refer to **legacy** classes. Code using these classes should ideally be updated to use the new ones instead.

| ![image](assets/images/home/easyobject.webp)   | [EasyObject **(Legacy)**](easyobject/easyobject-library-legacy.html.md)   |
|------------------------------------------------|--------------------------------------------------------------------------|
| ![image](assets/images/home/easygauge.webp)    | [EasyGauge **(Legacy)**](easygauge/easygauge-library-legacy.html.md)    |