1. Sending WhatsApp message without saving the number
WhatsApp itself offers an official way to send messages to an unsaved number, just not within the application. You can simply initiate a conversation with any number by opening a certain browser. After that, go to the URL address and type https://wa.me/phonenumber. Just replace the last part with the full number along with the country and region code but without any + or – or () or 00.
2. Send Whatsapp message without saving number on iPhone
For an iPhone user, there’s an easier way to do the job. The method uses Siri Shortcuts, which is an application designed by Apple that operates on devices running iOS version 12 or newer versions. First of all, download the Siri Shortcuts app. After downloading open the application, click the Gallery tab which is present on the bottom right. Now add any shortcut of your own choice, and run it once. Moving forward go to settings and then Shortcuts from where you have to enable Allow Untrusted Shortcuts. The former step will allow you to run Siri Shortcuts from anywhere, so you must be sure to download shortcuts made by individuals you trust and even if you download random shortcuts, check the steps involved to be sure it does what you want.
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After that is done, open this link on your phone and tap the Get Shortcut button to download it. Now you’ll be redirected to the Shortcuts app. Click Add Untrusted Shortcut. Following this, you can open the Shortcuts app and search for the WhatsApp to Non-Contact shortcut in the My Shortcuts tab. You can either operate it from here or click on the three dots icon at the top of the shortcut. After which tap Add to Home Screen to make a quick launch shortcut on the home screen. Once you run this, you will be asked to enter the recipient’s number. Enter it along with the country code and you’ll be redirected to WhatsApp with a new message window open.
3. Send WhatsApp message without saving number on Android
The third method may be less popular among the others but it’s the easiest way. In order to try it, you can easily enter +phonenumber including the + and country code at the beginning in the Google search widget on your home screen. Then click to select it, and tap the three-dot button. An option to send a WhatsApp message will pop up if you have a compatible device.