Examples: @mkbhd, UC... ID, or a full youtube.com/@handle URL.
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Subscribers
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Total Views
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Videos
Views per Upload — Last 50 Videos
Top 10 by Views (sampled)
Title
Published
Views
Likes
Comments
Metrics are estimated from the most recent sample of uploads (up to 50 videos), not the channel's full history. API usage counts against your own Google Cloud quota.