curl --request POST \
  --url https://api.qbank.cl/platform/v1/pos/charges/{chargeID}/refund \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "amount": "25",
  "to_address": "TXHkw6bYtL2jExampleDest",
  "idempotency_key": "pos-ref-0451-1"
}
'

import requests

url = "https://api.qbank.cl/platform/v1/pos/charges/{chargeID}/refund"

payload = {
    "amount": "25",
    "to_address": "TXHkw6bYtL2jExampleDest",
    "idempotency_key": "pos-ref-0451-1"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    amount: '25',
    to_address: 'TXHkw6bYtL2jExampleDest',
    idempotency_key: 'pos-ref-0451-1'
  })
};

fetch('https://api.qbank.cl/platform/v1/pos/charges/{chargeID}/refund', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.qbank.cl/platform/v1/pos/charges/{chargeID}/refund",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'amount' => '25',
    'to_address' => 'TXHkw6bYtL2jExampleDest',
    'idempotency_key' => 'pos-ref-0451-1'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.qbank.cl/platform/v1/pos/charges/{chargeID}/refund"

	payload := strings.NewReader("{\n  \"amount\": \"25\",\n  \"to_address\": \"TXHkw6bYtL2jExampleDest\",\n  \"idempotency_key\": \"pos-ref-0451-1\"\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://api.qbank.cl/platform/v1/pos/charges/{chargeID}/refund")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"amount\": \"25\",\n  \"to_address\": \"TXHkw6bYtL2jExampleDest\",\n  \"idempotency_key\": \"pos-ref-0451-1\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.qbank.cl/platform/v1/pos/charges/{chargeID}/refund")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"amount\": \"25\",\n  \"to_address\": \"TXHkw6bYtL2jExampleDest\",\n  \"idempotency_key\": \"pos-ref-0451-1\"\n}"

response = http.request(request)
puts response.read_body

{
  "refund_id": "b92b1ac0-3f38-4613-89e4-3788c53c9778",
  "charge_id": "66773a3a-9911-4482-ae3c-09a481aba018",
  "withdrawal_id": "4630fe8c-1346-4baf-94f9-8b56c9dbd352",
  "amount": "25.000000",
  "asset": "USDT",
  "to_address": "TXHkw6bYtL2jExampleDest",
  "status": "processing",
  "tx_id": "7f1f2a3b4c...",
  "created_at": "2026-07-17T20:01:00Z",
  "updated_at": "2026-07-17T20:01:00Z"
}

{
  "error": "unauthorized",
  "message": "invalid or missing credentials"
}

{
  "error": "not_found",
  "message": "resource not found"
}

{
  "error": "refund_exceeds_received",
  "message": "the refund amount exceeds what this charge received minus prior refunds"
}