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payment_id can be fake in REST API /v1/payments/payment/{payment_id}

New Community Member

payment_id can be fake in REST API /v1/payments/payment/{payment_id}

I use PayPal-Java-SDK to call REST API /v1/payments/payment/{payment_id} to get payment details. The code is:



Payment payment = Payment.get(apiContext, paymentId);

I used valid paymentId: PAY-6J516405S23367429LP6IYLQ and it was working as expected. I got the details about PAY-6J516405S23367429LP6IYLQ payment.


I changed the last sign in paymentId from Q to R to see how an error looks like when invalid paymentId is used. But I didn't get the error. The returned JSON was mostly the same like for PAY-6J516405S23367429LP6IYLQ.  The only one difference was paymentId in lines:



 "id": "PAY-6J516405S23367429LP6IYLR",

"parent_payment": "PAY-6J516405S23367429LP6IYLR",

"href": "",


The data were the same including transaction id:




I retested but this time for PAY-6J516405S23367429LP6IYLS and PAY-6J516405S23367429LP6IYLT and nothing changed. Still I got JSON data for PAY-6J516405S23367429LP6IYLQ.

Only when I changed paymentId to PAY-6J516405S23367429LP6IYLP I got the following error: 


response-code: 404    details: name: INVALID_RESOURCE_ID    message: Requested resource ID was not found.


It happened in sandbox.

Could you explain me why is that?

Thank you in advance for help.