curl -u [YOUR_KEY_ID]:[YOUR_KEY_SECRET] \
-X GET https://api.razorpay.com/v1/refunds

RazorpayClient razorpay = new RazorpayClient("[YOUR_KEY_ID]", "[YOUR_KEY_SECRET]");

JSONObject params = new JSONObject();
params.put("count","1");

List<Refund> refund = razorpay.refunds.fetchAll(params);

$api = new Api($key_id, $secret);

$api->refund->all($options);

import razorpay
client = razorpay.Client(auth=("YOUR_ID", "YOUR_SECRET"))

client.refund.all(options)

import ( razorpay "github.com/razorpay/razorpay-go" )
client := razorpay.NewClient("YOUR_KEY_ID", "YOUR_SECRET")

option := map[string]interface{}{
    "count" : 2
}
body, err := client.Payment.All(option, nil)

var instance = new Razorpay({ key_id: 'YOUR_KEY_ID', key_secret: 'YOUR_SECRET' })

instance.refunds.all(options)

require "razorpay"
Razorpay.setup('YOUR_KEY_ID', 'YOUR_SECRET')

options = {"count":1}

Razorpay::Refund.all(options)

//initialize the SDK client
RazorpayClient client = new RazorpayClient("[YOUR_KEY_ID]", "[YOUR_KEY_SECRET]");

Dictionary<string, object> paramRequest = new Dictionary<string, object>();
paramRequest.Add("count", "1");

List<Refund> refund = client.Refund.All(paramRequest);

razorpay refunds list --count 10 --skip 0 --from 1776754530 --to 1776758130

{
  "entity": "collection",
  "count": 2,
  "items": [
    {
      "id": "rfnd_FFX6AnnIN3puqW",
      "entity": "refund",
      "amount": 88800,
      "currency": "INR",
      "payment_id": "pay_FFX5FdEYx8jPwA",
      "notes": {
        "comment": "Issuing an instant refund"
      },
      "receipt": null,
      "acquirer_data": {},
      "created_at": 1594982363,
      "batch_id": null,
      "status": "processed",
      "speed_processed": "optimum",
      "speed_requested": "optimum"
    },
    {
      "id": "rfnd_EqWThTE7dd7utf",
      "entity": "refund",
      "amount": 6000,
      "currency": "INR",
      "payment_id": "pay_EpkFDYRirena0f",
      "notes": {
        "comment": "Issuing a normal refund"
      },
      "receipt": null,
      "acquirer_data": {
        "arn": "10000000000000"
      },
      "created_at": 1589521675,
      "batch_id": null,
      "status": "processed",
      "speed_processed": "normal",
      "speed_requested": "normal"
    }
  ]
}

{
    "error": {
        "code": "BAD_REQUEST_ERROR",
        "description": "The payment id field is required.",
        "source": "business",
        "step": "payment_initiation",
        "reason": "input_validation_failed",
        "metadata": {},
        "field": "payment_id"
    }
}