PDF QR Barcode Labels

Batch generate printable labels with QR code and barcode in a single PDF

file· File resultOpen tool

Quick start

Call this tool from your code in three languages.

cURL

curl -X POST 'https://api.elysiatools.com/en/api/tools/pdf-qr-barcode-labels' \
  -H 'Content-Type: application/json' \
  -d '{"labelsJson":"[\n  {\n    \"title\": \"SKU-AX-001\",\n    \"subtitle\": \"Warehouse A / Rack 03\",\n    \"qrText\": \"https://example.com/inventory/SKU-AX-001\",\n    \"barcodeText\": \"AX00193018\"\n  },\n  {\n    \"title\": \"SKU-BX-204\",\n    \"subtitle\": \"Warehouse B / Rack 12\",\n    \"qrText\": \"https://example.com/inventory/SKU-BX-204\",\n    \"barcodeText\": \"BX20488271\"\n  }\n]","pageSize":"A4","landscape":false,"columns":2,"rows":6,"labelWidthMm":90,"labelHeightMm":42,"marginMm":10,"gapMm":4}'

API reference

Send a POST request with your inputs as JSON. File parameters require a separate upload first.

Endpoint

HTTP

POST https://api.elysiatools.com/en/api/tools/pdf-qr-barcode-labels

Parameters

Name	Type	Required	Description
labelsJson	textarea	Yes	—
pageSize	select	No	—
landscape	checkbox	No	—
columns	number	No	—
rows	number	No	—
labelWidthMm	number	No	—
labelHeightMm	number	No	—
marginMm	number	No	—
gapMm	number	No	—

Response format

File result

JSON

{
  "filePath": "/public/processing/randomid.ext",
  "fileName": "output.ext",
  "contentType": "application/octet-stream",
  "size": 1024,
  "metadata": {
    "key": "value"
  },
  "error": "Error message (optional)",
  "message": "Notification message (optional)"
}

MCP integration

Add this tool to your Model Context Protocol server so AI agents can list and call it.

Server configuration

Add this block to your MCP client configuration:

mcp.json

{
  "mcpServers": {
    "elysiatools-pdf-qr-barcode-labels": {
      "name": "pdf-qr-barcode-labels",
      "description": "Batch generate printable labels with QR code and barcode in a single PDF",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=pdf-qr-barcode-labels",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

List available tools

After connecting to the SSE endpoint, list the exposed tools:

tools/list

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/list"
}

Call this tool

Invoke the tool by its id, passing arguments built from its parameters:

tools/call

{
  "jsonrpc": "2.0",
  "id": 2,
  "method": "tools/call",
  "params": {
    "name": "pdf-qr-barcode-labels",
    "arguments": {
  "labelsJson": "[\n  {\n    \"title\": \"SKU-AX-001\",\n    \"subtitle\": \"Warehouse A / Rack 03\",\n    \"qrText\": \"https://example.com/inventory/SKU-AX-001\",\n    \"barcodeText\": \"AX00193018\"\n  },\n  {\n    \"title\": \"SKU-BX-204\",\n    \"subtitle\": \"Warehouse B / Rack 12\",\n    \"qrText\": \"https://example.com/inventory/SKU-BX-204\",\n    \"barcodeText\": \"BX20488271\"\n  }\n]",
  "pageSize": "A4",
  "landscape": false,
  "columns": 2,
  "rows": 6,
  "labelWidthMm": 90,
  "labelHeightMm": 42,
  "marginMm": 10,
  "gapMm": 4
}
  }
}

Chain multiple tools in one session with a comma-separated toolId list, e.g. /mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp (max 20).

Questions or issues? Contact [email protected]