https://wa.me/<number>
where the <number>
is a full phone number in international format. Omit any zeroes, brackets, plus or dashes when adding the phone number in international format.https://wa.me/15551234567
https://wa.me/+001-(555)1234567
https://wa.me/whatsappphonenumber/?text=urlencodedtext
where whatsappphonenumber
is a full phone number in international format and URL-encoded text is the URL-encoded pre-filled message.https://wa.me/15551234567?text=I'm%20interested%20in%20your%20car%20for%20sale