We are selling ebooks online. We need a system that once user pay us via paypal, a link is send to me and he/she can only download the ebook only once and not more than that. After downloading, he can't go back to download it once again. What i want to say is this, the link should expire immediately.
This is fairly small job(few hrs) and we are only looking for person who did similar job.
Our client is on tight budget.
16 freelancers are bidding on average $52 for this job
What u are asking is IPN + Downaload link creation job.. it's hardly three to four hours job for us. please send us ur paypal id + products links to prepare for you..
Dear Sir, I am experienced Perl developer. I have already completed similar job (paypal integration with site). I feel very confident to do this job. Best regards, Nadeem