Not able to test RefundTransaction API (Classic) on Paypal API Explorer
I tried to use Paypal API Explorer to know how the refund transaction
works. I have put all the API credentials as required like- - API username
- API password - API signature - Application ID (sandbox) - currencyCode -
errorLanguage - detailLevel - transactionId - amount - email -
primary(true)
and I hit 'Try Now' button. It processed my request and gave response as -
ack: Failure - errorId: 520002 - message: Internal Error
But I don't understand, why did it fail ? Am I doing anything wrong ? Or
do I need to provide any more information ?
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