Instagram Summarizer API
Turn any Instagram video into an AI summary with key points, topics, and sentiment.
What is the Instagram Summarizer API?
The Instagram Summarizer API lets you generate an AI summary with key points and topics from Instagram with a single REST call. No OAuth, no scraping infrastructure, and no platform SDKs — send the URL, get clean structured JSON back. Results are cached for 24 hours, so repeat lookups are instant and free.
What you get
- 2–3 paragraph AI summary of the video
- 4–8 bullet key points and detected topics
- Overall sentiment and tone
- Powered by the transcript under the hood
Example request
curl "https://api.captapi.com/v1/instagram/summarize?url=https%3A%2F%2Fwww.instagram.com%2Freel%2FCzKZqfdN5j8%2F" \
-H "Authorization: Bearer capt_live_..."Example response
{
"success": true,
"cached": false,
"creditsUsed": 4,
"data": {
"summary": "A concise walkthrough of how to extract structured data from social video at scale.",
"keyPoints": [
"One key per platform",
"24h shared cache",
"No OAuth required"
],
"topics": [
"APIs",
"data extraction",
"automation"
],
"sentiment": "positive"
}
}Response structure
A successful call returns success, cached, creditsUsed, and a data object with the following fields:
Summary
summaryAI-generated summary of the video (2–3 paragraphs).sentimentOverall tone of the content (positive, neutral, negative).
Structured output
keyPointsArray of the most important takeaways.topicsArray of detected topics and themes.
Parameters
| Name | Type | Required | Description |
|---|---|---|---|
| url | string | Yes | Public Instagram video URL. |
| language | string | No | Preferred caption language (ISO code, e.g. "en"). |
Authentication: send your key as Authorization: Bearer capt_live_.... Each successful call costs 4 credits; cached responses (24h) are free.
How it works
- 1. Sign up — get 100 free credits, no card required.
- 2. Create a key from your dashboard.
- 3. Send one request to
/v1/instagram/summarizeand parse the JSON response.
Use cases
Content Triage
Decide what's worth watching without watching it.
Newsletters & Digests
Auto-generate summaries for roundups and emails.
Research
Condense long videos into key points at scale.
SEO
Generate descriptions and meta content from videos.
Social
Draft captions and posts from video content.
Frequently asked questions
What does the Instagram Summarizer API do?+
The Instagram Summarizer API lets you generate an AI summary with key points and topics from a public Instagram video using one GET request to /v1/instagram/summarize. It returns clean JSON — no OAuth or scraping setup required.
How many credits does the Instagram 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 Instagram API key or OAuth?+
No. A single Captapi key works across YouTube, TikTok, Instagram, and Facebook. 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 Instagram 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.
More Instagram APIs
Ready to use the Instagram Summarizer API?
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