integration flow with Paypal

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carlo asked May 30, '17

integration flow with Paypal

Hi,

We are in the process to integrate paypal and I am a little confused about the confirmpurchase() using unity SDK. In the documentation

https://api.playfab.com/docs/tutorials/landing-commerce/non-receipt-payment-processing

we can see a field called "status:succeed" but we cannot see that variable when using the API, so are we supposed to call this function after the payment has been done (so do we need to ask the user to press a button after payment) or can we poll this every N seconds to check if the item has been purchased ? Right now when the Paypal dialog is displayed with the correct price and everything the user can enter his paypal login, but if if we call confirmpurchase() without touching anything, we got the following error :

PlayFabError(FailedByPaymentProvider, Failed by payment provider, 400 BadRequest - Details: ProviderErrorCode: 1 | ProviderErrorMessage: Failure | ProviderErrorDetails: FinalizeTransaction failed, Ack=FailureExpress Checkout PayerID is missing. The PayerID value is invalid.

So can somebody advise if we did something wrong or what should be the correct flow ? To get confirmation in the client side that the Paypal transaction was OK ?

Thank you

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Answer 1 · 2017-05-30T05:29:10Z

brendan answered May 30, '17

In the case of PayPal, the purchase is completed in the PayPal interface. Until that is done, the ConfirmPurchase call will always fail (since PayPal doesn't register the payment as finished until the actual money charge/transfer has occurred).

After you have completed the purchase in the PayPal interface, you should be able to successfully call ConfrimPurchase.

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carlo commented · May 30, 2017 at 07:33 AM

Thank you for the quick reply,

Just for the knowledge, is there a way to check the difference between that particular error that we get to call earlier before the paypal transaction is done and an error because the transaction went through but was rejected or canceled ?

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brendan carlo commented · May 30, 2017 at 07:40 AM

Yes, for any case where the error is FailedByPaymentProvider, the errorDetails is the response will contain any additional information we have on why the transaction failed.

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