QR Code Generator API Documentation
This API provides endpoints to generate QR codes for various use cases such as contact sharing, Wi-Fi credentials, calendar events, payments, social media, and map navigation. You can customize QR code styles and download them in SVG or PNG format.
API Endpoints
URL QR
| Endpoint |
/qrcode |
| Description |
Generates a QR code for a URL. |
| Parameters |
url |
| Example |
/qrcode?url=https://example.com&format=png |
Wi-Fi
| Endpoint |
/wifi |
| Description |
Share Wi-Fi credentials using QR code. |
| Parameters |
ssid (required), password, encryption, hidden |
| Example |
POST /wifi with JSON: { "ssid": "Home", "password": "12345678" } |
vCard Contact
| Endpoint |
/vcard |
| Description |
Share contact details as vCard. |
| Parameters |
name, phone (required), email, company, title, website, address |
| Example |
POST /vcard with JSON: { "name": "John Doe", "phone": "+421900000000" } |
WhatsApp
| Endpoint |
/whatsapp |
| Description |
Send predefined WhatsApp message. |
| Parameters |
phone, message |
| Example |
/whatsapp?phone=0900123456&message=Hi! |
Email
| Endpoint |
/email |
| Description |
Compose an email using a QR code. |
| Parameters |
recipient, subject, body |
| Example |
POST /email with JSON: { "recipient": "user@example.com", "subject": "Hi" } |
Call
| Endpoint |
/call |
| Description |
Dial a number from QR code. |
| Parameters |
phone |
| Example |
/call?phone=123456789 |
SMS
| Endpoint |
/sms |
| Description |
Send SMS with predefined message. |
| Parameters |
phone, message |
| Example |
/sms?phone=123456789&message=Hello |
PayBySquare
| Endpoint |
/paybysquare |
| Description |
Slovak bank QR payments. |
| Parameters |
amount, currency, iban, note, symbols |
| Example |
POST /paybysquare with JSON: { "amount": "12.50", "currency": "EUR", "iban": "SK12..." } |
QR Platba (CZ)
| Endpoint |
/qrplatba |
| Description |
Czech payment format (SPD). |
| Parameters |
iban, amount, currency, message, variable_symbol |
| Example |
/qrplatba?iban=CZ12...&amount=120 |
SEPA Payment
| Endpoint |
/sepa |
| Description |
EU SEPA credit transfer. |
| Parameters |
creditor_name, iban, bic, amount, reference, remittance_information |
| Example |
POST /sepa with JSON: { "iban": "SK12...", "amount": "25.00" } |
Revolut & PayPal
| Endpoint |
/revolut, /paypal |
| Description |
QR codes for Revolut or PayPal payments. |
| Parameters |
username, amount |
| Example |
/paypal?username=abc&amount=12 |
Event (Calendar)
| Endpoint |
/event |
| Description |
iCalendar format for one-time event. |
| Parameters |
title, start, end, location, description |
| Example |
POST /event with JSON: { "title": "Meeting", "start": "2025-06-01T10:00", "end": "2025-06-01T11:00" } |
Meeting Links
| Endpoint |
/google_meet, /microsoft_meeting, /zoom_meeting |
| Description |
Generate QR code for online meeting links. |
| Parameters |
meeting_url |
Google/Apple Maps Location
| Endpoint |
/google_maps, /apple_maps |
| Description |
Show a place on map. |
| Parameters |
latitude, longitude, address |
Google/Apple Maps Route
| Endpoint |
/google_maps_route, /apple_maps_route |
| Description |
Show route on map from start to destination. |
| Parameters |
start, destination, stops |
Error Codes
| Code |
Meaning |
| 400 |
Invalid or missing parameters |
| 500 |
Internal server error |
Styling
| Parameter |
Type |
Description |
Default |
format |
string |
Image format: svg or png |
svg |
fill |
string |
Foreground color |
black |
background |
string |
Background color |
white |
box_size |
int |
Size of QR boxes |
10 |
border |
int |
Border thickness |
4 |
Example Curl
curl "https://your-domain/qrcode?url=https://openai.com&format=svg"
Example JSON POST
POST /wifi
{
"ssid": "MyWiFi",
"password": "mypassword",
"format": "png"
}
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