To create a link with your phone number, use this link: https://wa.me/number and replace the word "number" with your full phone number in international format. Do not include parentheses or dashes.
https://wa.me/5591122334455 ✅
https://wa.me/+055-(9)1122334455 ❌
You can also create a link with a predetermined message which will automatically appear as an option for the customer. That way your clients can save time when messaging you.
Here's how:
https://wa.me/number?text=message
Replace "number" with your full WhatsApp phone number, and replace "message" with your predermined message. Use %20 between words to include a space.
So far, we have told you how to create the link manually. To do it automatically with a tool and simplify the process, we recommend our WhatsApp link generator that you can use for free.
You can also use this or this other generator to create a QR Code.