curl -X POST "https://app.supported.tech/api/user/whatsapp/voice/request" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "sender_id": 12,
    "recipient_phone": "+40711222333",
    "recipient_name": "Ana Pop"
  }'

const response = await fetch(
  'https://app.supported.tech/api/user/whatsapp/voice/request',
  {
    method: 'POST',
    headers: {
      Authorization: 'Bearer YOUR_API_KEY',
      'Content-Type': 'application/json',
    },
    body: JSON.stringify({
      sender_id: 12,
      recipient_phone: '+40711222333',
      recipient_name: 'Ana Pop',
    }),
  }
);

console.log(await response.json());

import requests

response = requests.post(
    'https://app.supported.tech/api/user/whatsapp/voice/request',
    headers={
        'Authorization': 'Bearer YOUR_API_KEY',
        'Content-Type': 'application/json',
    },
    json={
        'sender_id': 12,
        'recipient_phone': '+40711222333',
        'recipient_name': 'Ana Pop',
    },
)

print(response.json())

{
  "success": true,
  "sender_id": 12,
  "customer_phone": "+40711222333",
  "conversation_id": "9c2e1d4a-6b8f-4c11-9a0e-1f2d3c4b5a67",
  "status": "pending",
  "can_call": false,
  "can_request": false,
  "session_open": true,
  "expires_at": null,
  "requested_at": "2026-08-15T10:15:00+00:00"
}

{
  "success": false,
  "error": "This contact has not messaged you in the last 24 hours. Send a regular template first and wait for their reply, then ask to call.",
  "error_code": "SESSION_CLOSED"
}