QR Code Generator

Generate QR codes from text or URLs.

Endpoint

POST https://www.acrewity.com/api/services/execute

Authentication

Include your API key in the Authorization header:

Authorization: Bearer YOUR_API_KEY

n8n Integration

This service is also available via our n8n community node: @acrewity/n8n-nodes-acrewity

Operations

Generate QR Code

Generate a QR code from text or URL

Operation ID: generate_qr

Parameters

Parameter	Type	Required	Default	Description
`text`	string	Yes	-	Text or URL to encode in QR code
`size`	number	No	`300`	QR code size in pixels (min: 100, max: 1000)
`format`	string	No	`png`	Output format (png or svg only) Options: `png`, `svg`
`errorCorrectionLevel`	string	No	`M`	Error correction level Options: `L`, `M`, `Q`, `H`

Example Request

URL QR Code:

{
  "service": "qr-code-generator",
  "operation": "generate_qr",
  "parameters": {
    "text": "https://example.com/menu",
    "size": 400,
    "format": "png",
    "errorCorrectionLevel": "H"
  }
}

WiFi QR Code:

{
  "service": "qr-code-generator",
  "operation": "generate_qr",
  "parameters": {
    "text": "WIFI:T:WPA;S:GuestNetwork;P:welcome2024;;",
    "size": 300,
    "format": "svg"
  }
}

vCard QR Code:

{
  "service": "qr-code-generator",
  "operation": "generate_qr",
  "parameters": {
    "text": "BEGIN:VCARD\nVERSION:3.0\nFN:John Smith\nTEL:+1-555-123-4567\nEMAIL:john@example.com\nEND:VCARD",
    "size": 350,
    "format": "png"
  }
}

Example Response

{
  "success": true,
  "result": {
    "data": {
      "filename": "qrcode-1735567890123.png",
      "contentType": "image/png",
      "size": 2847,
      "content": "iVBORw0KGgoAAAANSUhEUgAA...",
      "downloadUrl": "/api/downloads/qrcode-1735567890123.png",
      "downloadable": true,
      "metadata": {
        "text": "https://example.com/menu",
        "format": "png",
        "size": 400,
        "errorCorrectionLevel": "H",
        "actualSize": 400
      }
    }
  },
  "credits_used": 1
}

More Examples

See Visual Content Generation Examples for complete workflow examples including restaurant menus, event tickets, and payment QR codes.