YouTube · Guide

How to get an AI summary of a YouTube short

TL;DR
To get an AI summary of a YouTube short, sign up for a free Captapi key, then send one GET request to /v1/youtube/shorts/summarize with your input. You get clean JSON back in seconds for 4 credits per call — no OAuth, scraping or platform SDKs. Turn any YouTube video into an AI summary with key points, topics, and sentiment.

How to get an AI summary of a YouTube short (step by step)

  1. 1

    Get a free API key

    Create a free Captapi account (100 credits, no card) and generate an API key from the dashboard.

  2. 2

    Call the YouTube Shorts Summarizer API

    Send an authenticated GET request to /v1/youtube/shorts/summarize with your input. No OAuth, no scraping setup.

  3. 3

    Read the JSON response

    Parse the clean JSON response. Results are cached for 24 hours, so repeat calls are free.

Code example

curl "https://api.captapi.com/v1/youtube/shorts/summarize?url=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DdQw4w9WgXcQ" \
  -H "Authorization: Bearer capt_live_..."

What the response looks like

{
  "success": true,
  "cached": false,
  "creditsUsed": 4,
  "data": {
    "url": "https://www.youtube.com/watch?v=DXVHmGoCTco",
    "videoId": "DXVHmGoCTco",
    "title": "50 Streamers Fight for $1,000,000",
    "summary": "In an intense and entertaining competition, 50 of the biggest streamers are trapped in a cube, competing for a chance to win a million dollars. The challenges range from paintball elimination rounds to blindfolded games involving a Lamborghini, and eventually culminate in a series of strategic video game battles. Throughout the competition, alliances form and rivalries ignite as streamers navigate the high-stakes environment, showcasing their gaming skills and personalities.  ...",
    "keyPoints": [
      "50 top streamers are locked in a cube competing for a million dollars.",
      "Challenges include paintball elimination, blindfolded Lamborghini competition, and Fortnite battles."
    ],
    "topics": [
      "streamers",
      "competition"
    ],
    "sentiment": "positive"
  }
}

Request parameters

NameTypeRequiredDescription
urlstring YesPublic YouTube Shorts URL, e.g. https://youtube.com/shorts/ID. Not a TikTok/Instagram/Facebook URL. The URL platform must match this endpoint's platform. Do not pass cross-platform URLs, e.g. YouTube to TikTok, Instagram to Facebook, LinkedIn to X/Twitter, or Pinterest to Rumble.
languagestringNoPreferred caption language as an ISO code, e.g. "en". Defaults to auto-detect.

Frequently asked questions

What does the YouTube Shorts Summarizer API do?

The YouTube Shorts Summarizer API lets you generate an AI summary with key points and topics from a public YouTube video using one GET request to /v1/youtube/shorts/summarize. It returns clean JSON — no OAuth or scraping setup required.

How many credits does the YouTube Shorts Summarizer API cost?

Each successful call costs 4 credits. Responses are cached for 24 hours, and cached results cost 0 credits. Failed or empty results are never charged.

Do I need a YouTube API key or OAuth?

No. A single Captapi key works across every platform Captapi supports — YouTube, TikTok, Instagram, Facebook, Twitter/X, Reddit, Threads, Bluesky, Pinterest, LinkedIn, and Rumble. We handle proxies, rate limits, retries, and authentication for you.

Which AI model powers the summaries?

Summaries are generated with GPT-4o-mini for a strong balance of quality, speed, and cost, built on top of the video transcript.

Is the YouTube Shorts Summarizer API suitable for production use?

Yes. It is a stable REST endpoint with predictable JSON, automatic retries, and a shared 24-hour cache. Use it for RAG pipelines, analytics, monitoring, and content automation.

Ready to get an AI summary of a YouTube short?

Start free with 100 credits — no credit card required.

Get your free API key