API de WazautIntegra WhatsApp Business a tu medida

// Enviar mensaje de WhatsApp
const response = await fetch('https://api.wazaut.app/v1/messages/send', {
  method: 'POST',
  headers: {
    'Authorization': 'Bearer WAZAUT_API_KEY',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    to: '+1234567890',
    message: 'Hola desde Wazaut API',
    type: 'text'
  })
});

const data = await response.json();
console.log(data);