You have chosen to sponsor your bid up to a maximum amount of .
need to develop script to enable us to send bulk Whatsapp messages using an API such as 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, photo