title: How to send message on WhatsApp Group using official API
body: <p>I know about send message to any number using WhatsApp official API using </p>
  
  <pre><code>https://api.whatsapp.com/send?phone=
  </code></pre>
  
  <p>But is there any way to send message to WhatsApp Group is user is joined that group. I have a form and want this form data to be shared in our whatsapp group on click.</p>