Create a refund

curl -X POST "https://api.ledgerline.dev/v2/refunds" \
  -H "Content-Type: application/x-www-form-urlencoded" \
  -d '{"charge":"string","amount":0,"reason":"duplicate"}'

require 'net/http'
require 'uri'

uri = URI('https://api.ledgerline.dev/v2/refunds')
req = Net::HTTP::Post.new(uri)
req['Content-Type'] = 'application/x-www-form-urlencoded'
req.body = '{"charge":"string","amount":0,"reason":"duplicate"}'
res = Net::HTTP.start(uri.hostname, uri.port, use_ssl: uri.scheme == 'https') do |http|
  http.request(req)
end
puts res.body

import requests

res = requests.request(
    "POST",
    "https://api.ledgerline.dev/v2/refunds",
    headers={
    "Content-Type": "application/x-www-form-urlencoded",
    },
    json={"charge": "string", "amount": 0, "reason": "duplicate"},
)
data = res.json()

const res = await fetch('https://api.ledgerline.dev/v2/refunds', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/x-www-form-urlencoded',
  },
  body: JSON.stringify({"charge":"string","amount":0,"reason":"duplicate"}),
});
const data = await res.json();

package main

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

func main() {
	req, _ := http.NewRequest("POST", "https://api.ledgerline.dev/v2/refunds", strings.NewReader(`{"charge":"string","amount":0,"reason":"duplicate"}`))
	req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
	res, _ := http.DefaultClient.Do(req)
	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)
	fmt.Println(string(body))
}

import java.net.URI;
import java.net.http.*;
import java.net.http.HttpRequest.BodyPublishers;

HttpClient client = HttpClient.newHttpClient();
HttpRequest request = HttpRequest.newBuilder()
    .uri(URI.create("https://api.ledgerline.dev/v2/refunds"))
    .header("Content-Type", "application/x-www-form-urlencoded")
    .method("POST", BodyPublishers.ofString("{\"charge\":\"string\",\"amount\":0,\"reason\":\"duplicate\"}"))
    .build();
HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
System.out.println(response.body());

<?php
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, 'https://api.ledgerline.dev/v2/refunds');
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'POST');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: application/x-www-form-urlencoded']);
curl_setopt($ch, CURLOPT_POSTFIELDS, '{"charge":"string","amount":0,"reason":"duplicate"}');
$response = curl_exec($ch);
curl_close($ch);
echo $response;

using System.Net.Http;
using System.Text;

var client = new HttpClient();
var request = new HttpRequestMessage(new HttpMethod("POST"), "https://api.ledgerline.dev/v2/refunds");
request.Content = new StringContent("{\"charge\":\"string\",\"amount\":0,\"reason\":\"duplicate\"}", Encoding.UTF8, "application/x-www-form-urlencoded");
var response = await client.SendAsync(request);
Console.WriteLine(await response.Content.ReadAsStringAsync());