Video Installation + Demonstration : From Here
WhatsBulker is a Windows desktop-based user-friendly tool to send automated WhatsApp messages to your customers including contacts not saved in your address book.
WhatsBulker is the only tool to date that allows you to send customized and personalized messages to your customers. It helps you to create engagement with your users by sending personalized messages and build a long-lasting relationship with them.
Using WhatsBulker, you can easily send product updates, promotions, news, and announcements to your audience + attachments.
WhatsBulker gives you a full report of messages sent successfully and of fails, also for the attachments.
WhatsBulker allows you also to set a time between messages and more settings, see the screenshots.
★ No more one by one sending off messages to all your customers.
★ No more sending of common messages to your prominent users.
This is an Executable Files + full source code (c# .net)
This is just an automation tool, we will try to give our best efforts to make this compatible with future change of WhatsApp Web.