Click to Chat | no ads 1.7.3 Apk

Disclaimer: This app is not affiliated with nor endorsed by WhatsApp Inc. complying with its brand guidelines stated here https://whatsappbrand.com

This app uses WhatsApp "click to chat" feature https://faq.whatsapp.com/26000030 to open a chat between you and that number.
No contact is created on the device, you don't need to save it on your contacts list. Just open the app, enter the number, click the button and the chat will open, and if the number doesn't exist WhatsApp will notify it.