How to get an AI summary of a Utilities file video
POST request to /v1/video/summarize with your input. You get clean JSON back in seconds for 1 credit/min +1 per call — no OAuth, scraping or platform SDKs. Transcribe an uploaded file with Whisper, then return an AI summary — 1 credit per minute + 1 for the summary.How to get an AI summary of a Utilities file video (step by step)
- 1
Get a free API key
Create a free Captapi account (100 credits, no card) and generate an API key from the dashboard.
- 2
Call the Video File Summarizer API
Send an authenticated POST request to /v1/video/summarize with your input. No OAuth, no scraping setup.
- 3
Read the JSON response
Parse the clean JSON response. Pass cache=true for a free 24h cache hit; default is always fresh.
Code example
curl "https://api.captapi.com/v1/video/summarize?file=%40video.mp4" \
-H "Authorization: Bearer capt_live_..."
# or: -H "x-api-key: capt_live_..."What the response looks like
{
"success": true,
"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"
}
}Billing metadata (credits charged, cache hit/miss) is returned in the X-Captapi-Credits and X-Captapi-Cache response headers.
Request parameters
| Name | Type | Required | Description |
|---|---|---|---|
| file | file | Yes | Video or audio file to transcribe and summarize (multipart form upload). |
Frequently asked questions
What does the Video File Summarizer API do?
The Video File Summarizer API lets you generate an AI summary with key points and topics from a public Utilities uploaded video or audio file using one POST request to /v1/video/summarize. It returns clean JSON — no OAuth or infrastructure setup required.
How many credits does the Video File Summarizer API cost?
Billing is 1 credit per minute of audio (rounded up) plus 1 credit for the AI summary. Failed or empty results are never charged.
Do I need a Utilities 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, Rumble, Spotify, Kwai, and more. 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 transcript.
Is the Video File Summarizer API suitable for production use?
Yes. It is a stable REST endpoint with predictable JSON and automatic retries. Pass cache=true to serve from the 24h shared cache (0 credits on hit); default is always fresh. Use it for analytics, monitoring, and content automation.
Ready to get an AI summary of a Utilities file video?
Start free with 100 credits — no credit card required.
Get your free API key