curl --request POST \
  --url https://rest.staging.nickel.com/payment/{paymentId}/refund \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "amountCents": 5000,
  "reason": "Customer requested refund"
}
'

{
  "id": "<string>",
  "status": "SUCCEEDED",
  "fees": [
    {
      "type": "CREDIT_CARD_FEE",
      "amountInCents": 290
    }
  ],
  "amountInCents": 10000,
  "chargedAmountInCents": 10290,
  "platformFeeInCents": 290,
  "paymentLinkId": "<string>",
  "paymentMethod": {
    "id": "<string>",
    "achDetails": {
      "bankName": "JP Morgan Chase",
      "routingNumber": "<string>",
      "accountNumberLastFour": "<string>"
    },
    "cardDetails": {
      "brand": "visa",
      "last4": "<string>",
      "holderName": "<string>",
      "expMonth": "2",
      "expYear": "2030"
    },
    "billingDetails": {
      "name": "<string>",
      "companyName": "<string>",
      "street": "<string>",
      "city": "<string>",
      "state": "<string>",
      "zip": "<string>",
      "email": "<string>"
    }
  },
  "disbursement": {
    "id": "<string>",
    "status": "PENDING",
    "amountInCents": 10000,
    "bankName": "JP Morgan Chase",
    "accountNumberLastFour": "<string>",
    "paymentIds": [
      "clkqzo2y1000cx9tfohoiodq1"
    ],
    "createdAt": "2023-12-25",
    "paidAt": "2023-12-25"
  },
  "refunds": [
    {
      "id": "<string>",
      "amountCents": 515,
      "refundDate": "2023-11-07T05:31:56Z",
      "voided": true
    }
  ],
  "createdAt": 123,
  "estimatedDisbursementDate": "<string>"
}