import requests

def send_whatsapp(to_number, message):
    token = "YOUR_ULTRAMSG_TOKEN"
    instance_id = "YOUR_INSTANCE_ID"
    url = f"https://api.ultramsg.com/{instance_id}/messages/chat"
    data = {
        "token": token,
        "to": to_number,
        "body": message,
    }
    response = requests.post(url, data=data)
    return response.json()