一次请求，获得二维码

<?php
$key = getenv('QIVO_API_KEY');
if (!$key) throw new RuntimeException('Set QIVO_API_KEY');
$query = http_build_query([
    'data' => 'https://umind.group', 'format' => 'svg',
    'shape' => 'rounded', 'size' => 1024,
], '', '&', PHP_QUERY_RFC3986);
$curl = curl_init('https://qivo.umind.group/?' . $query);
curl_setopt_array($curl, [
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER => ['X-API-Key: ' . $key],
    CURLOPT_TIMEOUT => 30,
]);
$image = curl_exec($curl);
$status = curl_getinfo($curl, CURLINFO_RESPONSE_CODE);
curl_close($curl);
if ($image === false || $status !== 200) {
    throw new RuntimeException('Qivo request failed: ' . $status);
}
file_put_contents('qr-code.svg', $image);

import { writeFile } from 'node:fs/promises';
const key = process.env.QIVO_API_KEY;
if (!key) throw new Error('Set QIVO_API_KEY');
const url = new URL('https://qivo.umind.group/');
url.search = new URLSearchParams({
  data: 'https://umind.group', format: 'svg',
  shape: 'rounded', size: '1024'
});
const response = await fetch(url, {
  headers: { 'X-API-Key': key },
  signal: AbortSignal.timeout(30000)
});
if (!response.ok) throw new Error(`Qivo request failed: ${response.status}`);
await writeFile('qr-code.svg', Buffer.from(await response.arrayBuffer()));

import os
from pathlib import Path
from urllib.parse import urlencode
from urllib.request import Request, urlopen

key = os.environ['QIVO_API_KEY']
query = urlencode({
    'data': 'https://umind.group', 'format': 'svg',
    'shape': 'rounded', 'size': 1024,
})
request = Request('https://qivo.umind.group/?' + query,
                  headers={'X-API-Key': key})
# urlopen raises HTTPError for unsuccessful HTTP responses.
with urlopen(request, timeout=30) as response:
    Path('qr-code.svg').write_bytes(response.read())