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YouTube Video Comments Fetcher
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YouTube Video Comments Fetcher is a paid API for AI agents from Fiber AI API at mpp.orthogonal.com, paid per call via MPP, $0.04/call, status unknown (last checked 2026-09-14).
Fetches paginated comments on a specified YouTube video, returning up to a page of comments at a time.
Price / call$0.04
Success—
StatusUnknown
How this service works
Fetches paginated comments on a YouTube video. Pagination billing: call the first page normally and save billing.requestId from the Orthogonal /v1/run response. For later page, offset, or cursor calls on the same logical search, pass parentRequestId with unchanged non-pagination parameters. Valid continuation calls still get their own request IDs and quoted price, but are charged 0. Changing filters starts a new billable request.
Output
A paginated list of comments on the specified YouTube video, including commenter names, comment text, timestamps, and a cursor for fetching the next page of results.
Example use cases
Example prompt
“Pull the first page of comments from this YouTube video — https://www.youtube.com/watch?v=dQw4w9WgXcQ — so I can see what viewers are saying.”
Technical details
Endpoint
POSThttps://mpp.orthogonal.com/fiber/v1/youtube/video-commentsWhen to prefer
Choose this endpoint when you need to programmatically retrieve viewer comments from a YouTube video, especially for sentiment analysis, audience research, or content monitoring. Prefer this over building direct YouTube API integrations when you want a simple, cost-per-call model with pagination support already handled.
Side effects
- Invalid or non-existent YouTube video ID returns an error
- Video has comments disabled — returns empty or error
- Invalid pagination cursor causes a bad request error
- Rate limiting or quota exceeded on the upstream YouTube API
- Network timeout or upstream YouTube API unavailability
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