InsightSocial APIVideo › Subtitles
Returns the caption track files for a video, each with a language code and name, file format, and a direct download URL, including auto-generated tracks.
Use it when you want subtitle files to download; video/transcript gives you the words themselves, already split into timed segments.
20 credits per call.
Re-running the exact same call within 6h is free.
Authorization
apiKey Your key from the dashboard. It starts with isk_.
In: header
Query Parameters
Full URL of the YouTube video.
Subtitle file format filter (e.g. srt, vtt, ttml, json3, srv1).
Response Body
application/json
application/json
application/json
application/json
application/json
application/json
application/json
application/json
application/json
curl -X GET "https://example.com/v1/youtube/video/subtitles?url=string"{ "success": true, "platform": "instagram", "endpoint": "/v1/instagram/profile/posts", "data": { "items": [ "…" ], "dropped": 0 }, "pagination": { "next_cursor": "is2.eyJwIjoyfQ", "has_more": true, "page_size": 12 }, "credits_used": 20, "credits_remaining": 9980, "request_id": "req_1a2b3c4d5e6f", "cached": false, "idempotent_replay": false, "charge_reason": "miss", "free_call": false}Video › Sponsors GET
Returns whether a video carries a paid-promotion disclosure plus the brands likely sponsoring it, each with supporting evidence and a confidence score. Use it to spot sponsored videos and who paid; sponsors are inferred from the description, links, promo codes, and transcript, not stated by YouTube. **200 credits** per call. Re-running the exact same call within 6h is free.
Video › Thumbnails GET
Returns a video's thumbnail images at every available size, each with a direct image URL, width, height, aspect ratio, and image format. Use it when you need a video's artwork on its own, for example to pick the largest image for your own listing or preview. **20 credits** per call. Re-running the exact same call within 6h is free.