curl --request POST \
  --url https://partner-dev.coinut.net/payment/create \
  --header 'Content-Type: multipart/form-data' \
  --header 'X-API-Key: <api-key>' \
  --header 'X-API-Secret: <api-key>' \
  --form deductCurrency=USDT \
  --form amount=100 \
  --form currency=USD \
  --form bankAccountId=d33cb6ae-cc67-40e7-b92d-babb255f1774 \
  --form reference=payment-123456 \
  --form supportingDocument='@example-file'

import requests

url = "https://partner-dev.coinut.net/payment/create"

files = { "supportingDocument": ("example-file", open("example-file", "rb")) }
payload = {
    "deductCurrency": "USDT",
    "amount": "100",
    "currency": "USD",
    "bankAccountId": "d33cb6ae-cc67-40e7-b92d-babb255f1774",
    "reference": "payment-123456"
}
headers = {
    "X-API-Key": "<api-key>",
    "X-API-Secret": "<api-key>"
}

response = requests.post(url, data=payload, files=files, headers=headers)

print(response.text)

const form = new FormData();
form.append('deductCurrency', 'USDT');
form.append('amount', '100');
form.append('currency', 'USD');
form.append('bankAccountId', 'd33cb6ae-cc67-40e7-b92d-babb255f1774');
form.append('reference', 'payment-123456');
form.append('supportingDocument', '<string>');

const options = {
  method: 'POST',
  headers: {'X-API-Key': '<api-key>', 'X-API-Secret': '<api-key>'}
};

options.body = form;

fetch('https://partner-dev.coinut.net/payment/create', 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://partner-dev.coinut.net/payment/create",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"deductCurrency\"\r\n\r\nUSDT\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"amount\"\r\n\r\n100\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"currency\"\r\n\r\nUSD\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"bankAccountId\"\r\n\r\nd33cb6ae-cc67-40e7-b92d-babb255f1774\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"reference\"\r\n\r\npayment-123456\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"supportingDocument\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001--",
  CURLOPT_HTTPHEADER => [
    "Content-Type: multipart/form-data",
    "X-API-Key: <api-key>",
    "X-API-Secret: <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://partner-dev.coinut.net/payment/create"

	payload := strings.NewReader("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"deductCurrency\"\r\n\r\nUSDT\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"amount\"\r\n\r\n100\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"currency\"\r\n\r\nUSD\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"bankAccountId\"\r\n\r\nd33cb6ae-cc67-40e7-b92d-babb255f1774\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"reference\"\r\n\r\npayment-123456\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"supportingDocument\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001--")

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

	req.Header.Add("X-API-Key", "<api-key>")
	req.Header.Add("X-API-Secret", "<api-key>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://partner-dev.coinut.net/payment/create")
  .header("X-API-Key", "<api-key>")
  .header("X-API-Secret", "<api-key>")
  .body("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"deductCurrency\"\r\n\r\nUSDT\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"amount\"\r\n\r\n100\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"currency\"\r\n\r\nUSD\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"bankAccountId\"\r\n\r\nd33cb6ae-cc67-40e7-b92d-babb255f1774\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"reference\"\r\n\r\npayment-123456\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"supportingDocument\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001--")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://partner-dev.coinut.net/payment/create")

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["X-API-Secret"] = '<api-key>'
request.body = "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"deductCurrency\"\r\n\r\nUSDT\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"amount\"\r\n\r\n100\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"currency\"\r\n\r\nUSD\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"bankAccountId\"\r\n\r\nd33cb6ae-cc67-40e7-b92d-babb255f1774\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"reference\"\r\n\r\npayment-123456\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"supportingDocument\"; filename=\"example-file\"\r\nContent-Type: application/octet-stream\r\n\r\n<string>\r\n-----011000010111000001101001--"

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

{
  "status": "SUCCESS",
  "data": {
    "id": "12209d2d-47b4-4a07-8a01-b49052cd8204",
    "status": "CONFIRMED",
    "rate": "0.9950",
    "deductAmount": "180.50",
    "deductCurrency": "USDT",
    "receivedCurrency": "USD",
    "receivedAmount": "100.00",
    "bankCharge": "80.00",
    "reference": "payment-123456",
    "createTime": "2026-03-12 17:22:04",
    "bankAccount": {
      "bankName": "New York Bank",
      "accountNo": "123451097890",
      "swift": "CHASUS33",
      "beneficiaryName": "John Doe",
      "beneficiaryAddress": "123 Main St",
      "bankCountry": "SG",
      "bankAddress": "1 Marina Blvd"
    }
  }
}

{
  "status": "INVALID_PARAMETERS",
  "message": "invalid parameters"
}