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I am developing an application for Android in which I need to integrate Paypal in the purchase part, I am using Paypal Sandbox to test, seemed to be working perfectly. I create my personal account and account business and the transactions fakes are working as I am checking on the Paypal Developer website.
When developing the error handling part the first mistake I intended to address was the issue of insufficient funds... but the problem is that even my personal test account being with funds of R$0.00 the transactions fakes continue to be confirmed and the money is passed on.
What I might be missing or what I can do to simulate these errors on Android?
I am a long time user of paypal and I can tell you that the account need not necessarily have balance. If the account in question has a registered payment method (Credit Card) the payment is debited on the card and the money transferred to your account.
– Edgar Muniz Berlinck