We need an application to send whatsapp message with integration with different database :
- The application should be connected to a database and able to create the whatsapp message from the query result .
- The application should be able to attach a query result with different file format with the whatsapp message
- The user should be able to choose all contacts or specific contact from database to send whatsapp message.
- The application should be able to handle huge number of contacts.
- The application should be able to send whatsapp message regardless of the platform they use, iOS, blackberry, Android, etc)
- We need proof of concept before we start the project.