Barcode API Documentation

# Generate an EAN-13 barcode as SVG
curl "https://nofolo.com/api/barcodes/generate?data=5901234123457&barcodeFormat=EAN13" \
  -o barcode.svg

# Generate a Code 128 barcode with custom styling
curl "https://nofolo.com/api/barcodes/generate?data=SHIP-2024-001&barcodeFormat=CODE128&height=80&color=%231F4E79" \
  -o shipping-label.svg

# Validate a barcode value
curl "https://nofolo.com/api/barcodes/validate?data=5901234123457&barcodeFormat=EAN13"

// Generate barcode and get SVG + data URL
const response = await fetch('https://nofolo.com/api/barcodes/generate', {
  method: 'POST',
  headers: { 'Content-Type': 'application/json' },
  body: JSON.stringify({
    data: '5901234123457',
    barcodeFormat: 'EAN13',
    height: 80,
    displayValue: true,
  }),
});
const result = await response.json();
console.log(result.svg);      // Raw SVG string
console.log(result.data);     // data:image/svg+xml;base64,...

// Validate before generating
const validation = await fetch(
  'https://nofolo.com/api/barcodes/validate?data=590123412345&barcodeFormat=EAN13'
).then(r => r.json());
console.log(validation.valid);     // true
console.log(validation.checkDigit); // "7"

import requests

# Generate barcode as SVG file
response = requests.get(
    "https://nofolo.com/api/barcodes/generate",
    params={
        "data": "5901234123457",
        "barcodeFormat": "EAN13",
        "height": 80,
    }
)
with open("barcode.svg", "w") as f:
    f.write(response.text)

# POST with JSON body
response = requests.post(
    "https://nofolo.com/api/barcodes/generate",
    json={
        "data": "ITEM-001",
        "barcodeFormat": "CODE128",
        "height": 60,
        "color": "#1F4E79",
    }
)
result = response.json()
print(result["svg"])  # SVG string

<!-- Embed barcode directly in an img tag -->
<img
  src="https://nofolo.com/api/barcodes/generate?data=5901234123457&barcodeFormat=EAN13&height=60"
  alt="EAN-13 barcode"
  width="200"
/>

<!-- Code 128 shipping barcode -->
<img
  src="https://nofolo.com/api/barcodes/generate?data=SHIP-2024-001&barcodeFormat=CODE128&height=80"
  alt="Shipping barcode"
/>