curl -X POST https://app.ageonce.com/api/oauth/token \
  -H "Content-Type: application/json" \
  -d '{
    "client_id": "YOUR_CLIENT_ID",
    "client_secret": "YOUR_CLIENT_SECRET",
    "code": "AUTHORIZATION_CODE",
    "redirect_uri": "YOUR_REDIRECT_URI"
  }'

const response = await fetch('https://app.ageonce.com/api/oauth/token', {
  method: 'POST',
  headers: { 'Content-Type': 'application/json' },
  body: JSON.stringify({
    client_id: process.env.AGEONCE_CLIENT_ID,
    client_secret: process.env.AGEONCE_CLIENT_SECRET,
    code: authorizationCode,
    redirect_uri: process.env.AGEONCE_REDIRECT_URI,
  }),
});

const { age_token, transaction_id } = await response.json();

import requests

response = requests.post('https://app.ageonce.com/api/oauth/token', json={
    'client_id': os.environ['AGEONCE_CLIENT_ID'],
    'client_secret': os.environ['AGEONCE_CLIENT_SECRET'],
    'code': authorization_code,
    'redirect_uri': os.environ['AGEONCE_REDIRECT_URI'],
})

data = response.json()
age_token = data['age_token']
transaction_id = data.get('transaction_id')  # Audit ID

$response = file_get_contents('https://app.ageonce.com/api/oauth/token', false, stream_context_create([
    'http' => [
        'method' => 'POST',
        'header' => 'Content-Type: application/json',
        'content' => json_encode([
            'client_id' => getenv('AGEONCE_CLIENT_ID'),
            'client_secret' => getenv('AGEONCE_CLIENT_SECRET'),
            'code' => $authorizationCode,
            'redirect_uri' => getenv('AGEONCE_REDIRECT_URI'),
        ]),
    ],
]));

$data = json_decode($response, true);
$ageToken = $data['age_token'];
$transactionId = $data['transaction_id'] ?? null;  // Audit ID