Generate QR codes as PNG or SVG via a simple REST API. Custom colors, sizes, and formats.
$ curl -X POST https://qr.kolni.dev/api/generate \
-H "X-Api-Key: sk_live_your_key" \
-d '{"text":"https://example.com"}'Simple, fast, and reliable. Built for developers who want to ship.
Sub-100ms response times. Global CDN caching for repeated requests.
Sign up in 10 seconds. Get your key. Start calling the API. No complex setup.
Track your requests, monitor usage, and manage keys from a simple dashboard.
Free. No credit card. Takes 10 seconds.
Simple POST request with JSON. Any language, any framework.
Generous free tier. Upgrade only when your app grows.
Start free. Scale when you need to.