Need to develop an PHP script whatsApp to install on server, with this capabilities to work like whatsapp.
1- send bulk messages to Whatsapp contacts which will be more than 5K daily.
2- ability to import/export bulk .txt/.csv contain mobile numbers
3- ability to filter active contact list with options ( no have whatsapp- last seen )
4- ability to have language files to add more then 1 Lang
5- ability to add/remove mobile numbers / IMEI , to send messages from .
6- ability to customize send messages and customize how much message to be sent hourly and which numbers used to send the message from .
7- ability to view recent activity and messages history
8- ability to support the script for any updates later on which can be made from whatsapp end .
9- ability to upgrade
10- I want to send single or bulk whatsapp (text, photo, audio, Video, vcard..location)
11- I need to put a schedule for sending
4 freelancers are bidding on average $386 for this job
I have already developed application for whatsapp bulk messages, ping me for the detail demo Relevant Skills and Experience .Net C# Proposed Milestones $833 USD - application with 1 year upgrade support