I\'d like to place a link on a webpage which opens a whatsapp chat with a certain whatsapp contact. In other words: I want a \"contact me by whatsapp\" link to go next to th
From the Official Whatsapp FAQ: https://faq.whatsapp.com/en/android/26000030/
WhatsApp's Click to Chat feature allows you to begin a chat with someone without having their phone number saved in your phone's address book. As long as you know this person’s phone number, you can create a link that will allow you to start a chat with them. By clicking the link, a chat with the person automatically opens. Click to Chat works on both your phone and WhatsApp Web.
To create your own link, use https://wa.me/ where the is a full phone number in international format. Omit any zeroes, brackets or dashes when adding the phone number in international format. For a detailed explanation on international numbers, read this article. Please keep in mind that this phone number must have an active account on WhatsApp.
Use: https://wa.me/15551234567
Don't use: https://wa.me/+001-(555)1234567