Deploy any whatsapp node along with whatsappLink node.
look in Console/ Bash/ terminal.
whatsappLink node will initilize, connect with whatsapp and generate a QR code it terminal.
Scan the QR code with your Whatsapp Mobile App (Go to settings > Linked device > Scan & Connect).
Done - Whatsapp Connected.

It will create a Whatsapp Web instance in your machine and store your session locally in Node-RED.

Nodes

Whatsapp Admin : Node used for basic status of whatsapp.

Inputs	Description
test	Checks the current status of whatsapp and output the same in `msg.payload`
destroy	Close the client and destroy the connection.
restart	restart the whatsapp client
logout	Simply log you out and close the session.

Output	Description
`status`	provide status on `msg.payload` for all and each input mentioned in above table.
Connecting..	When whatsapp attempting to connect.
QR Code (image)	when QR code is generated. This method can also be used to get QR Code (image) generated by whatsapp.
Connected	When whatapp is sucessfully connected.

Whatsapp In : Node to recive all messages send to connected number.
- Simply deploy the node and wait for connected (green) status.
- After succesfully connection, Node is able to recive all messages.
- Messages can be read at msg.payload and msg.body and sender number can be read at msg.from.
- Please look complete {msg} to get all details about recived message.
Whatsapp Out : As simple as mention on name, node will send msg.payload recived at input to the number mentiond in node.

Don't forget to mention international dialing code befor your number. Number must be in format like +11 99999 99999 without any space.

Currently working on more Whatsapp Node and will be avilable soon -

Complete detail for Nodes will also be updated as soon as possible.

Please don`t try to spam with your personal Number, Suspicious activities might be tracked by whatsapp.

Thanks to bear with me