curl -X POST "https://api.wachap.com/v1/whatsapp/groups/members/list" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer token" \
  -d '{ "accountId": "a1233b-a1233b-a1233b-a1233b-a1233bcdjdg9878", "groupJid": "120363123456789012@g.us" }'

const res = await fetch("https://api.wachap.com/v1/whatsapp/groups/members/list", {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
    'Authorization': 'Bearer token'
  },
  body: JSON.stringify({
    accountId: "a1233b-a1233b-a1233b-a1233b-a1233bcdjdg9878",
    groupJid: "120363123456789012@g.us"
  })
});
const data = await res.json();
console.log(data);

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({accountId: '<string>', groupJid: '<string>'})
};

fetch('https://api.wachap.com/v1/whatsapp/groups/members/list', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests
url = "https://api.wachap.com/v1/whatsapp/groups/members/list"
headers = {
    "Content-Type": "application/json",
    "Authorization": "Bearer token"
}
data = {
    "accountId": "a1233b-a1233b-a1233b-a1233b-a1233bcdjdg9878",
    "groupJid": "120363123456789012@g.us"
}
response = requests.post(url, json=data, headers=headers)
print(response.json())

<?php
$url = 'https://api.wachap.com/v1/whatsapp/groups/members/list';
$data = [
    'accountId' => 'a1233b-a1233b-a1233b-a1233b-a1233bcdjdg9878',
    'groupJid' => '120363123456789012@g.us'
];
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($data));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, [
    'Content-Type: application/json',
    'Authorization: Bearer token'
]);
$response = curl_exec($ch);
curl_close($ch);
echo $response;
?>

package main
import (
  "bytes"
  "encoding/json"
  "fmt"
  "net/http"
)
func main() {
  url := "https://api.wachap.com/v1/whatsapp/groups/members/list"
  data := map[string]string{
    "accountId": "a1233b-a1233b-a1233b-a1233b-a1233bcdjdg9878",
    "groupJid":  "120363123456789012@g.us",
  }
  jsonData, _ := json.Marshal(data)
  req, _ := http.NewRequest("POST", url, bytes.NewBuffer(jsonData))
  req.Header.Set("Content-Type", "application/json")
  req.Header.Set("Authorization", "Bearer token")
  client := &http.Client{}
  resp, _ := client.Do(req)
  defer resp.Body.Close()
  fmt.Println(resp.Status)
}

{
  "success": true,
  "message": "<string>",
  "groupJid": "<string>",
  "total": 123,
  "members": [
    {
      "jid": "<string>",
      "phoneNumber": "<string>",
      "name": "<string>",
      "isAdmin": true,
      "isSuperAdmin": true
    }
  ]
}