This is an add-on field for the Advanced Custom Fields plugin. It allows you to capture YouTube data from a single input field and return it in a variety of ways. View Plugin.
Register for a YouTube Data API Key
As of ACF YouTube Field version 1.2 it is required to have a YouTube API Key. This doc shows you how to get it.
Using the Video Object Return Value
A breakdown of the video object properties.
Available Filters for the ACF YouTube Field
A list of the available hooks you can use to make this plugin even more useful.
Getting More Data from the YouTube Data API V3
As of version 1.2 you can get even more data from the YouTube Data API V3. Here’s how!
Using the Thumbnails Object
Returns an object with all available thumbnail urls.