. As long as you know this person’s phone number and they have an active WhatsApp account, you can create a link that will allow you to start a chat with them. Well, the best thing to do is to click on the ‘edit profile’ button on your Instagram homepage. . Next, you should see a link button at the top right-hand side of your screen, tap on it, enter your desired URL, and then add a short call-to-action (CTA) encouraging your viewers to swipe up to check out the link.