The quickest way for you to seek a refund from a merchant is to reach out directly to them with your order details.
Rapyd is the payment processor, but not the company that initiated this payment.
Unfortunately, Rapyd cannot provide you details of any transactions. Legally, Rapyd can only provide details to the business merchant.
If for any reason the merchant may need details from Rapyd, kindly reach out to the merchant you've initiated this payment with and notify them that they have to approach Rapyd directly with this issue.