online demo: Open Source Free Label Designer - with free ZPL export tool & PPWR Agent (vers. 2.1)

edit RF-ID

GS1-data

(empty)

example REST:

cURL

curl -X POST https://example.com/api/print \
  -H "Content-Type: application/json" \
  -d '{
    "jobName": "demo-label",
    "output": "pdf",
    "dpi": 300,
    "size": { "width_mm": 100, "height_mm": 60 },
    "payload": {
      "zpl": "^XA^FO30,30^ADN,36,20^FDHello REST!^FS^XZ"
    }
  }'

fetch (JavaScript)

fetch("https://example.com/api/print", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    jobName: "demo-label",
    output: "pdf",
    dpi: 300,
    size: { width_mm: 100, height_mm: 60 },
    payload: { zpl: "^XA^FO30,30^ADN,36,20^FDHello REST!^FS^XZ" }
  })
})
  .then(r => r.json())
  .then(console.log)
  .catch(console.error);

Note: The endpoint is a placeholder (https://example.com/api/print). The button is for preview purposes only.

webprinter – source ↔ destination