Tool to verify the existence of a phone number on Whatsapp.

Uses Whatsapp Web to verify if the number has an associated Whatsapp account without sending a message.

Built for personal use. It can be extended to check phone numbers in bulk.

Install Dependencies:

npm install

Initiate login on Whatsapp:

npm run login

Run check for a Phone Number

npm run check 919898989898

Note Phone Number format is (Country Prefix without)(Phone Number Digits)