Skip to content
onelayer.
All tools

Tool detail

qrcode

Generates a QR code as a base64 PNG data URL from input text, with optional size and margin.

Categories: Utilities

Use when

  • generate a QR code for a URL or piece of text
  • create a QR code image for wifi credentials or a business card

Not for

  • not for scanning/decoding a QR code — generation only

Inputs

GET query params: text (string, required); size, margin (strings, optional)

Admitted input schema

{
  "type": "object",
  "properties": {
    "margin": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "Margin (optional)"
    },
    "size": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "Size (optional)"
    },
    "text": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "Input text (required)"
    }
  },
  "required": [
    "text"
  ],
  "additionalProperties": false
}

Endpoint

Method
GET
URL
https://api.x402node.dev/generate/qrcode

Payment

Protocol
x402
Listed price
0.0022 USDC per call on Base
Payment method
exact
Network
eip155:8453
Asset
0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Record
GET https://api.x402node.dev/generate/qrcode
Retrieved
2026-09-30T20:37:07.382Z
Catalog file SHA-256
6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built
2026-09-30T22:31:58.034Z