Screenshot API
Capture full-page or viewport screenshots of any URL in seconds.
Take pixel-perfect screenshots of any public URL. Supports custom viewport size, full-page capture, and output formats PNG, JPEG and WebP. Perfect for visual regression testing, social previews and content monitoring.
How it works
Three steps. No complex setup.
Send your request
Make a POST with the data you want to analyze. Include your API key in the Authorization header.
We process server-side
Our engine validates, analyzes and enriches the data in under 200ms. No external APIs, no network latency.
Receive the result
Typed JSON with all documented fields. Clear errors if something fails. Production ready.
Who is it for?
Response example
Real input and output. What you send and what you get back.
// Input
{
"url": "https://example.com",
"options": {
"width": 1280,
"height": 800,
"full_page": false,
"format": "png"
}
}// Output
{
"success": true,
"image_base64": "iVBORw0KGgoAAAANSUhEUgAA...",
"format": "png",
"width": 1280,
"height": 800,
"size_bytes": 187432,
"capture_time_ms": 920
}Try it now
// live demo — no account needed to try
Playground
Integrate into your project
Copy and paste. Replace YOUR_API_KEY with your real key.
curl -X POST https://jsnhengine.com/api/v1/screenshot-api \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{"url":"https://example.com","options":{"width":1280,"height":800,"format":"png"}}'Why choose JSNH Engine Lab
Low latency
Responses in under 200ms
Secure authentication
API keys with per-plan rate limiting
Usage tracking
Every request logged with metrics
Production ready
Input validation and typed errors
Frequently asked questions
Everything you need to know before integrating.
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// production ready
Start using Screenshot API
Sign up free and get 1,000 tokens to start. No credit card. No complex setup.