<!--
Make a link to start a chat with a specific phone number.
- Replace the xxxxxxxxxx with a valid phone number,
-->
<a href="https://wa.me/xxxxxxxxxx">Click here to chat</a>
<!--
Make a link to start a chat with a specific phone number and
a prefilled message.
- Replace the xxxxxxxxxx with a valid phone number,
- Don't forget to urlencode the text as per the example.
-->
<a href="https://wa.me/xxxxxxxxxx?text=This%20is%20a%20prefilled%20message">Click here to chat</a>
<!--
Make a link that shares a prefilled message, but, lets the user
choose a contact (from their phonebook) to send the message to,
- Don't forget to urlencode the text as per the example.
-->
<a href="https://wa.me/?text=This%20is%20a%20prefilled%20message">Click here to chat</a>