## Core API Component Group
This directory contains components that facilitate interacting with 3rd-party REST APIs.
 
### What's Inside
|File|Name|Description|
|:--------|:----------|:----------|
|**email**|**ET_Core_API_Email**|Email marketing service providers|
|**social**|**ET_Core_API_Social**|Social networks|
|Service.php|ET_Core_API_Service|Base class for all API components|
|OAuthHelper.php|ET_Core_API_OAuthHelper|Handles OAuth authorization flow|

> ***Note:*** Component groups are in **bold**.

### Class Hierarchy
<p align="center">
<img src="https://www.dropbox.com/s/lvwes19noua3jtu/2016-11-11_07-29-13-PM.png?dl=1" />
</p>