curl --request POST \
  --url https://api.zenskar.com/payments/{payment_id}/refund \
  --header 'Content-Type: application/json' \
  --header 'organisation: <api-key>' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "writeoff_invoices": true,
  "connector": {
    "name": "<string>",
    "reference_id": "<string>"
  },
  "refund_payment_part_amounts": [
    {
      "invoice_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "amount": 123
    }
  ],
  "refund_amount": 123,
  "description": "<string>",
  "timestamp": "2023-11-07T05:31:56Z"
}
'

import requests

url = "https://api.zenskar.com/payments/{payment_id}/refund"

payload = {
    "writeoff_invoices": True,
    "connector": {
        "name": "<string>",
        "reference_id": "<string>"
    },
    "refund_payment_part_amounts": [
        {
            "invoice_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
            "amount": 123
        }
    ],
    "refund_amount": 123,
    "description": "<string>",
    "timestamp": "2023-11-07T05:31:56Z"
}
headers = {
    "x-api-key": "<api-key>",
    "organisation": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    'x-api-key': '<api-key>',
    organisation: '<api-key>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    writeoff_invoices: true,
    connector: {name: '<string>', reference_id: '<string>'},
    refund_payment_part_amounts: [{invoice_id: '3c90c3cc-0d44-4b50-8888-8dd25736052a', amount: 123}],
    refund_amount: 123,
    description: '<string>',
    timestamp: '2023-11-07T05:31:56Z'
  })
};

fetch('https://api.zenskar.com/payments/{payment_id}/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.zenskar.com/payments/{payment_id}/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([
    'writeoff_invoices' => true,
    'connector' => [
        'name' => '<string>',
        'reference_id' => '<string>'
    ],
    'refund_payment_part_amounts' => [
        [
                'invoice_id' => '3c90c3cc-0d44-4b50-8888-8dd25736052a',
                'amount' => 123
        ]
    ],
    'refund_amount' => 123,
    'description' => '<string>',
    'timestamp' => '2023-11-07T05:31:56Z'
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "organisation: <api-key>",
    "x-api-key: <api-key>"
  ],
]);

$response = curl_exec($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.zenskar.com/payments/{payment_id}/refund"

	payload := strings.NewReader("{\n  \"writeoff_invoices\": true,\n  \"connector\": {\n    \"name\": \"<string>\",\n    \"reference_id\": \"<string>\"\n  },\n  \"refund_payment_part_amounts\": [\n    {\n      \"invoice_id\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n      \"amount\": 123\n    }\n  ],\n  \"refund_amount\": 123,\n  \"description\": \"<string>\",\n  \"timestamp\": \"2023-11-07T05:31:56Z\"\n}")

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

	req.Header.Add("x-api-key", "<api-key>")
	req.Header.Add("organisation", "<api-key>")
	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.zenskar.com/payments/{payment_id}/refund")
  .header("x-api-key", "<api-key>")
  .header("organisation", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"writeoff_invoices\": true,\n  \"connector\": {\n    \"name\": \"<string>\",\n    \"reference_id\": \"<string>\"\n  },\n  \"refund_payment_part_amounts\": [\n    {\n      \"invoice_id\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n      \"amount\": 123\n    }\n  ],\n  \"refund_amount\": 123,\n  \"description\": \"<string>\",\n  \"timestamp\": \"2023-11-07T05:31:56Z\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.zenskar.com/payments/{payment_id}/refund")

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

request = Net::HTTP::Post.new(url)
request["x-api-key"] = '<api-key>'
request["organisation"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"writeoff_invoices\": true,\n  \"connector\": {\n    \"name\": \"<string>\",\n    \"reference_id\": \"<string>\"\n  },\n  \"refund_payment_part_amounts\": [\n    {\n      \"invoice_id\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n      \"amount\": 123\n    }\n  ],\n  \"refund_amount\": 123,\n  \"description\": \"<string>\",\n  \"timestamp\": \"2023-11-07T05:31:56Z\"\n}"

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

{
  "detail": [
    {
      "loc": [
        "<string>"
      ],
      "msg": "<string>",
      "type": "<string>"
    }
  ]
}