curl -X GET "https://app.heyfred.nl/api/user/whatsapp/session-status?sender_id=12&recipient_phone=+1234567890" \
  -H "Authorization: Bearer YOUR_API_KEY"

const params = new URLSearchParams({
  sender_id: '12',
  recipient_phone: '+1234567890'
});

const response = await fetch(
  `https://app.heyfred.nl/api/user/whatsapp/session-status?${params}`,
  {
    headers: {
      'Authorization': 'Bearer YOUR_API_KEY'
    }
  }
);

const data = await response.json();

if (data.session_status.can_send_freeform) {
  console.log('Session is active — freeform messages allowed');
} else {
  console.log('Session expired — use a template message');
}

import requests

response = requests.get(
    'https://app.heyfred.nl/api/user/whatsapp/session-status',
    headers={'Authorization': 'Bearer YOUR_API_KEY'},
    params={
        'sender_id': 12,
        'recipient_phone': '+1234567890'
    }
)

data = response.json()
session = data['session_status']

if session['can_send_freeform']:
    print('Session is active — freeform messages allowed')
else:
    print('Session expired — use a template message')

{
  "success": true,
  "has_conversation": true,
  "conversation_id": 1234,
  "customer_name": "John Doe",
  "last_customer_message_at": "2026-02-24T10:30:00+00:00",
  "session_status": {
    "is_open": true,
    "can_send_freeform": true,
    "requires_template": false,
    "message": "Session open (23 hr 45 min remaining). Unlimited free-form messages allowed.",
    "minutes_remaining": 1425,
    "expires_at": "2026-02-25T10:30:00+00:00"
  }
}

{
  "success": true,
  "has_conversation": true,
  "conversation_id": 1234,
  "customer_name": "John Doe",
  "last_customer_message_at": "2026-02-22T14:00:00+00:00",
  "session_status": {
    "is_open": false,
    "can_send_freeform": false,
    "requires_template": true,
    "message": "Session expired. Send a template or wait for customer to reply.",
    "expired_at": "2026-02-23T14:00:00+00:00"
  }
}

{
  "success": true,
  "has_conversation": false,
  "session_status": {
    "is_open": false,
    "can_send_freeform": false,
    "requires_template": true,
    "message": "No conversation exists with this recipient. Send a template message first."
  }
}

{
  "success": false,
  "error": "Sender not found",
  "error_code": "SENDER_NOT_FOUND"
}