curl --request POST \
  --url https://api.sandbox.rails.wayex.com/v1/treasury/payouts/preview \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'Idempotency-Key: <idempotency-key>' \
  --data '
{
  "beneficiaryId": "<string>",
  "amount": "<string>",
  "currency": "AUD",
  "externalReference": "<string>",
  "purpose": "<string>",
  "walletProviderReference": "<string>",
  "downstreamMerchantReference": "<string>",
  "evidenceId": "<string>",
  "onBehalfOf": "<string>",
  "statementReference": "<string>"
}
'

import requests

url = "https://api.sandbox.rails.wayex.com/v1/treasury/payouts/preview"

payload = {
    "beneficiaryId": "<string>",
    "amount": "<string>",
    "currency": "AUD",
    "externalReference": "<string>",
    "purpose": "<string>",
    "walletProviderReference": "<string>",
    "downstreamMerchantReference": "<string>",
    "evidenceId": "<string>",
    "onBehalfOf": "<string>",
    "statementReference": "<string>"
}
headers = {
    "Idempotency-Key": "<idempotency-key>",
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    'Idempotency-Key': '<idempotency-key>',
    Authorization: 'Bearer <token>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    beneficiaryId: '<string>',
    amount: '<string>',
    currency: 'AUD',
    externalReference: '<string>',
    purpose: '<string>',
    walletProviderReference: '<string>',
    downstreamMerchantReference: '<string>',
    evidenceId: '<string>',
    onBehalfOf: '<string>',
    statementReference: '<string>'
  })
};

fetch('https://api.sandbox.rails.wayex.com/v1/treasury/payouts/preview', 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.sandbox.rails.wayex.com/v1/treasury/payouts/preview",
  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([
    'beneficiaryId' => '<string>',
    'amount' => '<string>',
    'currency' => 'AUD',
    'externalReference' => '<string>',
    'purpose' => '<string>',
    'walletProviderReference' => '<string>',
    'downstreamMerchantReference' => '<string>',
    'evidenceId' => '<string>',
    'onBehalfOf' => '<string>',
    'statementReference' => '<string>'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json",
    "Idempotency-Key: <idempotency-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.sandbox.rails.wayex.com/v1/treasury/payouts/preview"

	payload := strings.NewReader("{\n  \"beneficiaryId\": \"<string>\",\n  \"amount\": \"<string>\",\n  \"currency\": \"AUD\",\n  \"externalReference\": \"<string>\",\n  \"purpose\": \"<string>\",\n  \"walletProviderReference\": \"<string>\",\n  \"downstreamMerchantReference\": \"<string>\",\n  \"evidenceId\": \"<string>\",\n  \"onBehalfOf\": \"<string>\",\n  \"statementReference\": \"<string>\"\n}")

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

	req.Header.Add("Idempotency-Key", "<idempotency-key>")
	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.sandbox.rails.wayex.com/v1/treasury/payouts/preview")
  .header("Idempotency-Key", "<idempotency-key>")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"beneficiaryId\": \"<string>\",\n  \"amount\": \"<string>\",\n  \"currency\": \"AUD\",\n  \"externalReference\": \"<string>\",\n  \"purpose\": \"<string>\",\n  \"walletProviderReference\": \"<string>\",\n  \"downstreamMerchantReference\": \"<string>\",\n  \"evidenceId\": \"<string>\",\n  \"onBehalfOf\": \"<string>\",\n  \"statementReference\": \"<string>\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.sandbox.rails.wayex.com/v1/treasury/payouts/preview")

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

request = Net::HTTP::Post.new(url)
request["Idempotency-Key"] = '<idempotency-key>'
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"beneficiaryId\": \"<string>\",\n  \"amount\": \"<string>\",\n  \"currency\": \"AUD\",\n  \"externalReference\": \"<string>\",\n  \"purpose\": \"<string>\",\n  \"walletProviderReference\": \"<string>\",\n  \"downstreamMerchantReference\": \"<string>\",\n  \"evidenceId\": \"<string>\",\n  \"onBehalfOf\": \"<string>\",\n  \"statementReference\": \"<string>\"\n}"

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

{
  "principal": {
    "amount": "<string>",
    "currency": "AUD",
    "network": "ethereum"
  },
  "fee": {
    "amount": "<string>",
    "currency": "AUD",
    "network": "ethereum"
  },
  "sourceDebit": {
    "amount": "<string>",
    "currency": "AUD",
    "network": "ethereum"
  },
  "asset": "AUD",
  "configurationId": "<string>",
  "canProceed": true,
  "network": "ethereum",
  "holdReason": "<string>"
}