I have a WhatsApp bulk tool already available: Features: - Login system - easily translatable (separate files) - Send and receive message / image / video / audio / location - Message logging (You can see if the user seen the message or not) - WhatsApp account management's (add, edit, delete, import, export, login check, block check, manage profile picture) (register a WhatsApp account) (ability to set send type, for example: only images) - WhatsApp contacts management's (Add contacts to groups) (add, edit, delete, import, export, profile picture, last seen) - WhatsApp automatic number creation tool (By country) (generates numbers and adds to contacts if valid) - Dashboard of several statistics - Bulker (queue messages / images / videos and send on timely interval) (ablity to put number prefix and suffle on each message) * You can have individual chats with contacts * Settings and cleaning functions * All messages are sent with a timed rotation system (If a channel sends, it will be put last in the queue again) * Generates from 1000-1500 contacts / hour Note: the application is buit with Php, Javascript (jQuery & Ajax) with a Bootstrap 3.0 design and using OOP programming *High quality* Note: Up to 100.000 messages / 30.000 images in 24 hours can be sent