WhatsApp a number which has not been saved in your contacts
WAText will let you send a message via WhatsApp to an unsaved contact. It can be launch from the widget screen.
How to use WAText:
It uses WhatsApp's API
Latest Release Notes
1.0.2 - July 5, 2020, 5:33 p.m.
• Adds an updater for future changes on WhatsApp's API