📱 QR Code API

Free, fast QR code generation for developers. PNG, SVG, base64. WiFi, vCards, Bitcoin, Lightning.

🧪 Try it now

💰 Pricing

FREE

$0
  • 25 QR codes per day
  • 15 requests per minute
  • All formats (PNG, SVG, base64)
  • All QR types (WiFi, vCard, etc.)
  • No signup required

PRO

Any amount
  • Unlimited QR codes
  • No rate limits
  • Priority support
  • API key authentication
  • Pay what you want via Lightning ⚡
⚡ Pay via Lightning

Send any amount → email receipt to devtoolkit-api@sharebot.net → get API key

📡 API Endpoints

Generate QR Code

GET /qr/api/generate?data=https://example.com&format=png&size=300

Formats: png (image), svg (vector), base64 (JSON with data URI)

WiFi Auto-Connect

GET /qr/api/wifi?ssid=MyNetwork&password=secret123&encryption=WPA

Scan to auto-join WiFi. Supports WPA, WEP, nopass.

Bitcoin Payment

GET /qr/api/bitcoin?address=bc1q...&amount=0.001&label=Coffee

BIP21 compatible. Works with all Bitcoin wallets.

Lightning Invoice

GET /qr/api/lightning?invoice=lnbc...

BOLT11 invoice QR codes.

vCard Contact

GET /qr/api/vcard?firstname=John&lastname=Doe&phone=+1234567890&email=john@example.com

Scan to save contact. Supports name, phone, email, URL.

⚙️ Parameters

ParamDefaultDescription
datarequiredContent to encode
formatpngpng, svg, or base64
size300Width in pixels (50-1000)
margin4Quiet zone (0-10)
dark000000Foreground color (hex)
lightffffffBackground color (hex)
eclMError correction: L, M, Q, H
apikey—Pro API key (header or param)

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