Link direto

 

<link rel="stylesheet" href="https://cdn.positus.global/production/resources/robbu/whatsapp-button/whatsapp-button.css">
<a id="robbu-whatsapp-button" target="_blank" href="https://api.whatsapp.com/send?phone=4593706128&text=Ol%C3%A1,gostaria%20de%20ajuda">
  <div class="rwb-tooltip">Fale conosco</div>
  <img src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiDMdI5kk8bLQpDvtLrAhApYWBp7mq3yJW2tZwg0Yg977-aHg-26ERWSxKJqvT2uy63FT-Gz_syiTdPlx1CiEbKWZ3bPn4BJFbD0k3ZnicLcytH9gJVNSHzZ1Ikakl9Hcl5REK1VFeTlVXgQubpnI0SiVPZzimhKQFQJWpk17GK2hK4Up-kGMKh1p3xkT4l/s272/widget_left.gif">
</a>