npm install katsauURL Metadata
in One Call
Extract Open Graph, Twitter Cards, favicons, and more with a single API call. Fast, reliable, developer-friendly.
10K+
API Calls/Day
99.9%
Uptime
<300ms
Response
index.ts
1import Katsau from 'katsau';
2
3const client = new Katsau('ks_your_api_key');
4
5const data = await client.extract('https://github.com');
6
7console.log(data.title);
8// → "GitHub: Let's build from here"
9
10console.log(data.open_graph.image);
11// → "https://github.githubassets.com/images/..."
TypeScript support included
Ready
Title
—
Description
—
OG Image
—
Canonical
—
Type
—
Response
—
katsau API
Live Demo
See it in action
Watch how Katsau extracts metadata from real websites in real-time. Each field is parsed and validated automatically.
Lightning Fast
Average response time under 300ms
Validated Data
All metadata is sanitized and validated
Smart Caching
Results cached for faster repeat requests
Features
Everything you need
A complete toolkit for URL metadata extraction and analysis.
Metadata Extraction
Extract Open Graph, Twitter Cards, and meta tags from any URL instantly.
OG Validation
Validate your Open Graph tags and get actionable SEO recommendations.
Tech Detection
Detect frameworks, CDNs, and technologies used on any website.
Content Classification
Auto-classify content type, category, and topics with AI.
Favicon Extraction
Get all favicon sizes, touch icons, and app icons in one call.
Screenshot API
Capture website screenshots in PNG, JPEG, or WebP formats.
50M+
API Calls
99.9%
Uptime
Simple pricing
Start free, upgrade when you need more.
Limited Offer: 7 days free on all paid plans
Free
For hobby projects and testing
$0/month
- 500 requests/month
- 10 requests/minute
- Basic metadata extraction
- 1 API key
- Community support