curl --request POST \
--url https://checkout.fanfare.io/api/payments/refunds \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"amount": "<string>",
"idempotencyKey": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"orderId": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
}
'