Need to develop an PHP script with this capabilities .
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 the script later on ( updates will be paid when doing )
Those are basically our needed specs.
Please set your price / time to deliver project.
10 freelancers are bidding on average $13265 for this job
Greetings!!! We are glad to bid on your project and would be more happy if get a chance to work on the same. Please see PMB for details. Thanks Sonali@TeamUnipixel
Its my pleasure to work with you. We are confident that we will satisfy you and full fill your all requirements. We will complete the work on time with excellent quality. I look forward to meeting you.