How to use click to chat - Whatsapp FAQ
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 and they have an active WhatsApp account, you can create a link that will allow you to start a chat with them.

Create WhatsApp links:
WhatsApp has a feature that allows people to create links, so any user can click and start a conversation (chat) directly with the person who created the link. This functionality is called "click to chat" and as you don't have to save anyone's phone number to message them, it simplifies interaction.

How can I use WhatsApp chat to click?
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. By clicking the link, a chat with the person automatically opens. Click to chat works on both your phone and WhatsApp Web.

What is click to chat?
Click to Chat is a real-time engagement solution. Click to Chat enables you to handle interactions in real-time, increase your conversion rate and optimise your customers' loyalty and their satisfaction.

What is chat in WhatsApp?
WhatsApp blog explained click to chat as a feature that allows users to “begin a chat with someone without having their phone number saved in your phone's address book”.Click to chat works on both your phone and WhatsApp Web

How do I create a click to call link?
Within your content, highlight the text or image you want to use for your click-to-call link.
Click the link icon link in the rich text toolbar.
Enter tel:5555555555 in the URL field, replacing 5555555555 with the phone number for your business.

How do I shorten a link for WhatsApp?
How to shorten WhatsApp URL
Copy your WhatsApp link; could be one you created or generated via this page.
Paste your WhatsApp link on the dialogue box (Paste a link to shorten it).
Click “shorten”, and viola, your shorten link generated.

How do you make a clickable link on WhatsApp?
Watch: https://www.youtube.com/watch?v=7HlJ2Ui2Ohs

How can I link WhatsApp without phone number?
With that said, here's how you can send WhatsApp messages to unsaved numbers without adding contact. Open your phone's browser. Now you can copy and paste this link http://wa.me/xxxxxxxxxx, or this link — http://api.whatsapp.com/send?phone=xxxxxxxxxx in the address bar.
This app is not affiliated with nor endorsed by WhatsApp Inc. Previous name: "Open in WhatsApp (click to chat)", changed to comply with WhatsApp.
WhatsApp’s ‘Click to Chat’ lets you chat with a person without saving the number.WhatsApp blog explained click to chat as a feature that allows users to “begin a chat with someone without having their phone number saved in your phone’s address book”. Users will however need the number of the person who should also be a WhatsApp users so that the generated link results in a chat. Click to chat works on both your phone and WhatsApp Web.
Users can generate a click to chat link by adding their number, in the international format with the country code, in this link — 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. It is also possible to add a pre-written message to such links.
Whatsapp direct message without adding contact?
How to send Whatsapp messages without saving the number.
In the place of “number”, enter the phone number of the person to whom you want to send a WhatsApp message with the country code.
How can I send WhatsApp message without saving number?
Type the URL the browser and you'll get the web page below with a big green Message icon. Tapping on it opens a conversation with that phone number in your WhatsApp. There is another simpler, faster method. Currently, it works only on Android phones.