Arduino Mobile Top Up System

Hello,
I need to build automated mobile Top Up (reloading) System. Please help me to complete this .

Please help me to complete this

That implies that you have already done something towards it.

Please describe the hardware that you using and post code have you written so far

DoctorX119:
I need to build automated mobile Top Up (reloading) System. .

It would also be a good idea if you explain what that means.

Does it involve money? If so, whose money?

…R