curl --request POST 'https://api.voicecheap.ai/oauth/userinfo' \
  --header "Authorization: Bearer $VOICECHEAP_ACCESS_TOKEN" \
  --header 'Content-Type: application/json' \
  --data '{}'

const input = {};
const response = await fetch('https://api.voicecheap.ai/oauth/userinfo', {
  method: 'POST',
  headers: {
    Authorization: `Bearer ${process.env.VOICECHEAP_ACCESS_TOKEN}`,
    'Content-Type': 'application/json',
  },
  body: JSON.stringify(input),
  redirect: 'manual',
});
console.log(response.status, await response.text());

import os
import requests

response = requests.request(
    "POST",
    "https://api.voicecheap.ai/oauth/userinfo",
    headers={"Authorization":"Bearer " + os.environ["VOICECHEAP_ACCESS_TOKEN"],"Content-Type":"application/json"},
    json={},
    timeout=120,
    allow_redirects=False,
)
print(response.status_code, response.text)