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As an alternative to the GETREFUNDSTATUS call, you can also use the GETREFUNDSTATUSBYMERCHANTREFUNDID call to get the status of a transaction. It works similarly to the GETREFUNDSTATUS call but takes merchantrefundid instead of refundid as an input parameter.
Besides that, follow the same instructions given in the GETTXSTATUSBYMERCHANTTXID call, especially those about only using the call to resolve the status of refunds when the Payment Gateway refund id couldn’t be acquired.
Input parameters for the GETREFUNDSTATUSBYMERCHANTREFUNDID call: