如何检查贝宝付款是否有效？

Question

After payment I get the next URL:

http://www.website.com/en/success?tx=some_value&st=Completed&amt=some_value&cc=USD&cm=&item_number=

With this variables in _GET, can I check is payment valid or not? So, is user pay for this or he just randomly create URL by himself?

Answer 1

我建议设置IPN解决方案。