curl --request POST \
  --url https://api-sandbox.paychoice.com.au/api/v5/Reverse \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "reference": "<string>",
  "charge_id": "<string>",
  "merchant_guid": "<string>"
}
'

const options = {
  method: 'POST',
  headers: {Authorization: 'Basic <encoded-value>', 'Content-Type': 'application/json'},
  body: JSON.stringify({reference: '<string>', charge_id: '<string>', merchant_guid: '<string>'})
};

fetch('https://api-sandbox.paychoice.com.au/api/v5/Reverse', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api-sandbox.paychoice.com.au/api/v5/Reverse"

payload = {
    "reference": "<string>",
    "charge_id": "<string>",
    "merchant_guid": "<string>"
}
headers = {
    "Authorization": "Basic <encoded-value>",
    "Content-Type": "application/json"
}

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

print(response.text)

using RestSharp;


var options = new RestClientOptions("https://api-sandbox.paychoice.com.au/api/v5/Reverse");
var client = new RestClient(options);
var request = new RestRequest("");
request.AddHeader("Authorization", "Basic <encoded-value>");
request.AddJsonBody("{\n  \"reference\": \"<string>\",\n  \"charge_id\": \"<string>\",\n  \"merchant_guid\": \"<string>\"\n}", false);
var response = await client.PostAsync(request);

Console.WriteLine("{0}", response.Content);

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api-sandbox.paychoice.com.au/api/v5/Reverse",
  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([
    'reference' => '<string>',
    'charge_id' => '<string>',
    'merchant_guid' => '<string>'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Basic <encoded-value>",
    "Content-Type: application/json"
  ],
]);

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

curl_close($curl);

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