I need help with my website http://www.topupuk.co.uk.
It is a mobile to up website.
I need to auto display a mobile top up voucher from a list to a buyer after Paypal puchase.
I also need to have them get an auto email with the same code.
Also i want a auto text sent to their phone with verification.
an existing site does something similar [url removed, login to view]
7 freelancers are bidding on average $216 for this job
Every paypal transaction success, paypal produces and sends back a transaction id to the address you set. So, you can use it as well. And can be compared by using Paypal API.