curl "https://api.wachap.com/v1/get_qrcode?instance_id=609ACF283XXXX&access_token=646116c7XXXX"

const params = new URLSearchParams({ instance_id: '609ACF283XXXX', access_token: '646116c7XXXX' });
const res = await fetch(`https://api.wachap.com/v1/get_qrcode?${params}`);
const data = await res.json();
console.log(data);

// pages/qrcode.js (Next.js 12) ou app/qrcode/page.js (13+)
export async function getServerSideProps() {
  const params = new URLSearchParams({ instance_id: '609ACF283XXXX', access_token: '646116c7XXXX' });
  const res = await fetch(`https://api.wachap.com/v1/get_qrcode?${params}`);
  const data = await res.json();
  return { props: { data } };
}
export default function Page({ data }) {
  return <pre>{JSON.stringify(data, null, 2)}</pre>;
}

import requests
params = { 'instance_id': '609ACF283XXXX', 'access_token': '646116c7XXXX' }
r = requests.get('https://api.wachap.com/v1/get_qrcode', params=params)
print(r.json())

<?php
$params = http_build_query([
  'instance_id' => '609ACF283XXXX',
  'access_token' => '646116c7XXXX'
]);
$url = 'https://api.wachap.com/v1/get_qrcode?' . $params;
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$response = curl_exec($ch);
curl_close($ch);
echo $response;
?>

package main
import (
  "fmt"
  "net/http"
  "net/url"
  "io/ioutil"
)
func main() {
  params := url.Values{}
  params.Add("instance_id", "609ACF283XXXX")
  params.Add("access_token", "646116c7XXXX")
  resp, err := http.Get("https://api.wachap.com/v1/get_qrcode?" + params.Encode())
  if err != nil { panic(err) }
  defer resp.Body.Close()
  body, _ := ioutil.ReadAll(resp.Body)
  fmt.Println(string(body))
}

{
  "status": 200,
  "qrcode": "data:image/png;base64,iVBOR...",
  "message": "QR code généré"
}

{
  "error": "<string>"
}