Individual code visa-free payment App monitoring requires no need to enter the amount + aggregated payment backend source code

I tested it, and there was no problem building it, but after I compiled the app, I changed the domain name and reported an error-failed! Please check your code and try again.

Maybe my method is wrong here, so everyone is doing it yourself. It is said that this app automatically generates a payment code and no need to enter the amount (I have to study it yourself here, I didn't compile the APP successfully)

There is also an agent backend,

1. Aggregate payment can connect multiple other people's payments and collect them to you, allowing others to connect you to earn a difference.

2. At the same time, I also added a code for visa-free payment that requires monitoring. The app has a super fast callback speed

3. Support multiple amounts so that you don't have to enter the amount

4. With monitoring APP