curl --request POST \
  --url https://api.synctera.com/v1/cards/transaction_simulations/reversal \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "amount": 80,
  "find_original_window_days": 6,
  "is_advice": false,
  "network_fees": [
    {
      "amount": 123,
      "credit_debit": "C",
      "type": "ISSUER_FEE"
    },
    {
      "amount": 123,
      "credit_debit": "C",
      "type": "ISSUER_FEE"
    }
  ],
  "original_transaction_id": "original_transaction_id"
}
'

import requests

url = "https://api.synctera.com/v1/cards/transaction_simulations/reversal"

payload = {
    "amount": 80,
    "find_original_window_days": 6,
    "is_advice": False,
    "network_fees": [
        {
            "amount": 123,
            "credit_debit": "C",
            "type": "ISSUER_FEE"
        },
        {
            "amount": 123,
            "credit_debit": "C",
            "type": "ISSUER_FEE"
        }
    ],
    "original_transaction_id": "original_transaction_id"
}
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: 80,
    find_original_window_days: 6,
    is_advice: false,
    network_fees: [
      {amount: 123, credit_debit: 'C', type: 'ISSUER_FEE'},
      {amount: 123, credit_debit: 'C', type: 'ISSUER_FEE'}
    ],
    original_transaction_id: 'original_transaction_id'
  })
};

fetch('https://api.synctera.com/v1/cards/transaction_simulations/reversal', 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.synctera.com/v1/cards/transaction_simulations/reversal",
  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' => 80,
    'find_original_window_days' => 6,
    'is_advice' => false,
    'network_fees' => [
        [
                'amount' => 123,
                'credit_debit' => 'C',
                'type' => 'ISSUER_FEE'
        ],
        [
                'amount' => 123,
                'credit_debit' => 'C',
                'type' => 'ISSUER_FEE'
        ]
    ],
    'original_transaction_id' => 'original_transaction_id'
  ]),
  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.synctera.com/v1/cards/transaction_simulations/reversal"

	payload := strings.NewReader("{\n  \"amount\": 80,\n  \"find_original_window_days\": 6,\n  \"is_advice\": false,\n  \"network_fees\": [\n    {\n      \"amount\": 123,\n      \"credit_debit\": \"C\",\n      \"type\": \"ISSUER_FEE\"\n    },\n    {\n      \"amount\": 123,\n      \"credit_debit\": \"C\",\n      \"type\": \"ISSUER_FEE\"\n    }\n  ],\n  \"original_transaction_id\": \"original_transaction_id\"\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.synctera.com/v1/cards/transaction_simulations/reversal")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"amount\": 80,\n  \"find_original_window_days\": 6,\n  \"is_advice\": false,\n  \"network_fees\": [\n    {\n      \"amount\": 123,\n      \"credit_debit\": \"C\",\n      \"type\": \"ISSUER_FEE\"\n    },\n    {\n      \"amount\": 123,\n      \"credit_debit\": \"C\",\n      \"type\": \"ISSUER_FEE\"\n    }\n  ],\n  \"original_transaction_id\": \"original_transaction_id\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.synctera.com/v1/cards/transaction_simulations/reversal")

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\": 80,\n  \"find_original_window_days\": 6,\n  \"is_advice\": false,\n  \"network_fees\": [\n    {\n      \"amount\": 123,\n      \"credit_debit\": \"C\",\n      \"type\": \"ISSUER_FEE\"\n    },\n    {\n      \"amount\": 123,\n      \"credit_debit\": \"C\",\n      \"type\": \"ISSUER_FEE\"\n    }\n  ],\n  \"original_transaction_id\": \"original_transaction_id\"\n}"

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

{}

{
  "code": "BAD_REQUEST_BODY",
  "detail": "Missing required fields: first_name, dob",
  "status": 400
}

{
  "code": "BAD_REQUEST_BODY",
  "detail": "Missing required fields: first_name, dob",
  "status": 400
}

{
  "code": "BAD_REQUEST_BODY",
  "detail": "Missing required fields: first_name, dob",
  "status": 400
}

{
  "code": "BAD_REQUEST_BODY",
  "detail": "Missing required fields: first_name, dob",
  "status": 400
}