You can easily add your WhatsApp phone number as a link to stay in touch with your audience.
Login into your S.id Account
Choose Microsite and Click Add New Component, Choose "Link"
Click "Choose image or icon"
Choose Icon and choose "Brand"
Search WhatsApp and click
Add title such as "WhatsApp me"
Copy and paste the WhatsApp URL following this format: Examples: Use: https://wa.me/6288888888