Developers

Barcode & QR Code API

The same barcode engine that powers this site is available as a simple HTTP API. Generate any supported symbology as PNG, SVG, PDF or EPS from your own application.

Overview

Barcody is built on the plusecode barcode API. It renders every symbology the Barcode Studio and the GS1 QR converter support. You can call it directly from your own backend with an API key.

Endpoint

POST https://api.barzig.com/api/v1/barcode/generate

Send your key in the X-API-Key header. Parameters may be sent as a JSON body or query string. The response is the rendered barcode in the requested image format.

Parameters

Field	Type	Description
barcode	string	The data to encode (e.g. a GTIN, URL or GS1 element string).
barcodeType	string	Symbology: upca, ean13, ean8, code128, code39, itf14, qrcode, pdf417, aztec, gs1-128, gs1-datamatrix, gs1-qr and more.
imageFormat	string	Output format: png, svg, pdf, eps or jpeg.
humanReadable	boolean	Print the human-readable text under the bars (where applicable).
dpi	number	Raster resolution for png/jpeg output.
quietZone	number	Quiet-zone (clear margin) size in modules.
color	string	Foreground colour as a hex value.

Example request

curl -X POST "https://api.barzig.com/api/v1/barcode/generate" \
  -H "X-API-Key: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "barcode": "00012345678905",
    "barcodeType": "gs1-qr",
    "imageFormat": "svg",
    "humanReadable": true
  }' --output barcode.svg

Getting a key

The API requires a key. To request one, email plusecodeteam@barzig.com with a short description of your use case. Rate limits apply per key. Note: the API key used by this website is injected server-side and is not usable outside the site — you will receive your own key for direct integration.