Video Subtitle & Caption Extractor
Pricing
from $5.00 / 1,000 transcript extracteds
Extract subtitles, captions and AI transcripts from video URLs on 1,000+ platforms, including YouTube, Vimeo, TikTok, Instagram, X, Facebook, Twitch, TED and Bilibili. Native captions come first, with Whisper AI when none exist; output as JSON, SRT, VTT, text or Markdown.
videoUrl
Required
The original video URL that was processed.
platform
Required
Platform inferred from the URL (youtube, vimeo, tiktok, instagram, twitter, facebook, twitch, dailymotion, reddit, bilibili, soundcloud, ted, or hostname).
title
Optional
Video title from platform metadata.
channel
Optional
Uploader / channel name.
channelUrl
Optional
URL of the uploader / channel page.
durationSeconds
Optional
Video duration in seconds.
viewCount
Optional
View count at time of extraction.
likeCount
Optional
Like count at time of extraction.
uploadDate
Optional
Upload date in YYYYMMDD format.
thumbnail
Optional
Thumbnail image URL.
description
Optional
Video description (truncated to 1000 chars).
transcript
Optional
Transcript in the requested format. Array of {start,end,text} objects when format=json; otherwise the formatted string (srt/vtt/text/markdown).
transcriptFormat
Optional
Format of the transcript field: json, srt, vtt, text, or markdown.
transcriptSource
Optional
Where the transcript came from: manual (human captions), auto (auto-generated captions), translated (auto-translated), or whisper (Whisper AI fallback).
language
Optional
ISO 639-1 language code of the returned transcript.
isAutoGenerated
Optional
True if the captions were auto-generated (lower quality) or transcribed by Whisper.
segmentCount
Optional
Number of timestamped segments in the transcript.
characterCount
Optional
Total characters in the transcript text.
whisperMinutesCharged
Optional
Whisper minutes that contributed to the bill (0 when captions were used or BYOK key was supplied).
srtKey
Optional
Key in the default key-value store where the SRT file was saved.
vttKey
Optional
Key in the default key-value store where the original VTT file was saved (when applicable).
error
Optional
Error code + message when extraction failed for this video.
