Use APKPure App
Get Fast WhatsApp - Send WhatsApp Messages Quickly old version APK for Android
WhatsApp संदेश जल्दी भेजें
Are you tired of saving multiple phone numbers for only ONE time message!!
This App is here to help you get rid of this with its simple and minimum design.
Just :
open the App => Enter phone number => Click "Start Conversation". And you are ready to go.