Bulk QR Code Generator · Generate

import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";

const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);

const res = await fetchWithPay("https://qr-code-generator.underscoredone.com/generate", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "error_correction": "H",
    "size": 600,
    "texts": [
      "https://example.com",
      "https://example.com/product/42",
      "WiFi:T:WPA;S:GuestNetwork;P:welcome123;;",
      "Phone: +1-800-555-0199"
    ]
  }),
});
const data = await res.json();

curl -X POST \
  "https://qr-code-generator.underscoredone.com/generate" \
  -H "Content-Type: application/json" \
  -d '{"error_correction":"H","size":600,"texts":["https://example.com","https://example.com/product/42","WiFi:T:WPA;S:GuestNetwork;P:welcome123;;","Phone: +1-800-555-0199"]}' \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "api_version": "1.0.0",
  "count": 2,
  "results": [
    {
      "qr_base64": "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAlgAAAJYCAYAAAC+ZpjcAA...",
      "text": "https://example.com"
    },
    {
      "qr_base64": "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAlgAAAJYCAYAAAC+ZpjcAA...",
      "text": "Phone: +1-800-555-0199"
    }
  ]
}