Yes, using the YouTube API does not incur any monetary cost for the entity calling the API . If you go over your quota an 403 Error will be returned by the API.
Read moreWhat is the API of YouTube?
The API provides the ability to retrieve feeds related to videos, users, and playlists . It also provides the ability to manipulate these feeds, such as creating new playlists, adding videos as favorites, and sending messsages. The API is also able to upload videos.
Read moreIs YouTube a REST API?
The YouTube Application Programming Interface (YouTube API) allows developers to access video statistics and YouTube channels data via two types of calls, REST and XML-RPC .
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