whatsapp bulk message sender - open to bidding

need to develop script (or plug in) fro WordPress to enable us to send bulk Whatsapp messages using an API such as youwave. or php need to be able to upload a text file with phone numbers and insert a message that gets sent to all number in text file Automatically. can automatically distinguish which number is using Whatsapp can prevent Whatsapp from stopping the registered tel number after sending a few hundred message message delivery can support Big5, English, Arabic text, photo the plug in must be like this website: [login to view URL] [login to view URL] 1- send bulk messages to whatsapp contacts which 1+ million daily. 2- ability to import/export bulk .txt/.csv contain mobile numbers 3- ability to filter active contact list with options ( no 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 have user sign up 9- ability to add administrator / multi administrators . 10- ability to support the script for any updates later on which can be made from whatsapp end . ( will be paid when doing but it will be needed URGENT when needed ) 11- ability to set number of message for each user to send 12- ability to set mobile number dedicated for user/s 13- ability to set mobile number for share users 14- ability to link it with online payment gateways such as ( paypal-2checkout) 15- ability to make a full web design customization 16- secure the data . 17- ability to upgrade PLEASE THOSE WHO HAVE READY SOLUTIONS , DEMOS AND READY TO SHOW IT BEFORE START WORKING ONLY BID IF YOU DIDN'T DO IT BEFORE PLEASE DON'T WASTE YOUR TIME .