npm install katsauThe URL API
for Developers
Extract metadata, validate OG tags, generate social previews, and monitor URL changes. One API, endless possibilities.
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
Free Developer Utilities
Tools for the Social Web
Don't ship broken previews. Use our specialized debuggers to ensure your content looks perfect on every platform.
Simple PricingStart for free,
Start for free,
scale as you grow
Transparent pricing for everyone. No hidden fees, no credit card required for free tier.
Free
For hobby projects and testing
$0/month
- 500 requests/month
- 1 API key
- Basic metadata extraction
- Community support
- Request caching
Most Popular
Starter
For individual developers
$9/month
- 10,000 requests/month
- 5 API keys
- Full metadata extraction
- Email support
- Request caching
- Technology detection
Pro
For growing teams
$29/month
- 50,000 requests/month
- Unlimited API keys
- Full metadata extraction
- Priority support
- Request caching
- Technology detection
- Screenshot API
- OG Image generation