You can use WhatsApp connector app available on LeadSquared. Configure the details given below to use QuickReply.ai to send messages to WhatsApp via LSQ workflow/automations.
Username: <client id of your account>
Password: <client secret of your account>
Client id and client secret can be found on your QuickReply account. Go to settings -> API Credentials.
After that you can get your templates approved, and copy them to LeadSquared account to use those in automation.