curl --request POST \
  --url https://{merchant_site_domain}/order-payment-only-url \
  --header 'Content-Type: application/json' \
  --data '
{
  "OrderId": "00010000100000000020",
  "MerchantGUID": "abcdabcd-abcd-abcd-abcd-abcdabcdabcd",
  "PaymentDetails": {
    "OwnerFirstName": "Nir",
    "OwnerLastName": "Debbi",
    "OwnerName": "GlobalE",
    "CardNumber": "0000-0000-0000-0000",
    "CVVNumber": "000",
    "PaymentMethodName": "Visa",
    "PaymentMethodCode": "VI",
    "PaymentMethodTypeCode": "cc",
    "ExpirationDate": "2016-10-31",
    "CountryName": "Israel",
    "CountryCode": "IL",
    "StateOrProvince": "",
    "City": "Petach Tikva",
    "Zip": "12345",
    "Address1": "Kiryat Arye",
    "Address2": "",
    "Phone1": "",
    "Phone2": "",
    "Fax": "",
    "Email": ""
  }
}
'

import requests

url = "https://{merchant_site_domain}/order-payment-only-url"

payload = {
    "OrderId": "00010000100000000020",
    "MerchantGUID": "abcdabcd-abcd-abcd-abcd-abcdabcdabcd",
    "PaymentDetails": {
        "OwnerFirstName": "Nir",
        "OwnerLastName": "Debbi",
        "OwnerName": "GlobalE",
        "CardNumber": "0000-0000-0000-0000",
        "CVVNumber": "000",
        "PaymentMethodName": "Visa",
        "PaymentMethodCode": "VI",
        "PaymentMethodTypeCode": "cc",
        "ExpirationDate": "2016-10-31",
        "CountryName": "Israel",
        "CountryCode": "IL",
        "StateOrProvince": "",
        "City": "Petach Tikva",
        "Zip": "12345",
        "Address1": "Kiryat Arye",
        "Address2": "",
        "Phone1": "",
        "Phone2": "",
        "Fax": "",
        "Email": ""
    }
}
headers = {"Content-Type": "application/json"}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    OrderId: '00010000100000000020',
    MerchantGUID: 'abcdabcd-abcd-abcd-abcd-abcdabcdabcd',
    PaymentDetails: {
      OwnerFirstName: 'Nir',
      OwnerLastName: 'Debbi',
      OwnerName: 'GlobalE',
      CardNumber: '0000-0000-0000-0000',
      CVVNumber: '000',
      PaymentMethodName: 'Visa',
      PaymentMethodCode: 'VI',
      PaymentMethodTypeCode: 'cc',
      ExpirationDate: '2016-10-31',
      CountryName: 'Israel',
      CountryCode: 'IL',
      StateOrProvince: '',
      City: 'Petach Tikva',
      Zip: '12345',
      Address1: 'Kiryat Arye',
      Address2: '',
      Phone1: '',
      Phone2: '',
      Fax: '',
      Email: ''
    }
  })
};

fetch('https://{merchant_site_domain}/order-payment-only-url', 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://{merchant_site_domain}/order-payment-only-url",
  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([
    'OrderId' => '00010000100000000020',
    'MerchantGUID' => 'abcdabcd-abcd-abcd-abcd-abcdabcdabcd',
    'PaymentDetails' => [
        'OwnerFirstName' => 'Nir',
        'OwnerLastName' => 'Debbi',
        'OwnerName' => 'GlobalE',
        'CardNumber' => '0000-0000-0000-0000',
        'CVVNumber' => '000',
        'PaymentMethodName' => 'Visa',
        'PaymentMethodCode' => 'VI',
        'PaymentMethodTypeCode' => 'cc',
        'ExpirationDate' => '2016-10-31',
        'CountryName' => 'Israel',
        'CountryCode' => 'IL',
        'StateOrProvince' => '',
        'City' => 'Petach Tikva',
        'Zip' => '12345',
        'Address1' => 'Kiryat Arye',
        'Address2' => '',
        'Phone1' => '',
        'Phone2' => '',
        'Fax' => '',
        'Email' => ''
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "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://{merchant_site_domain}/order-payment-only-url"

	payload := strings.NewReader("{\n  \"OrderId\": \"00010000100000000020\",\n  \"MerchantGUID\": \"abcdabcd-abcd-abcd-abcd-abcdabcdabcd\",\n  \"PaymentDetails\": {\n    \"OwnerFirstName\": \"Nir\",\n    \"OwnerLastName\": \"Debbi\",\n    \"OwnerName\": \"GlobalE\",\n    \"CardNumber\": \"0000-0000-0000-0000\",\n    \"CVVNumber\": \"000\",\n    \"PaymentMethodName\": \"Visa\",\n    \"PaymentMethodCode\": \"VI\",\n    \"PaymentMethodTypeCode\": \"cc\",\n    \"ExpirationDate\": \"2016-10-31\",\n    \"CountryName\": \"Israel\",\n    \"CountryCode\": \"IL\",\n    \"StateOrProvince\": \"\",\n    \"City\": \"Petach Tikva\",\n    \"Zip\": \"12345\",\n    \"Address1\": \"Kiryat Arye\",\n    \"Address2\": \"\",\n    \"Phone1\": \"\",\n    \"Phone2\": \"\",\n    \"Fax\": \"\",\n    \"Email\": \"\"\n  }\n}")

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

	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://{merchant_site_domain}/order-payment-only-url")
  .header("Content-Type", "application/json")
  .body("{\n  \"OrderId\": \"00010000100000000020\",\n  \"MerchantGUID\": \"abcdabcd-abcd-abcd-abcd-abcdabcdabcd\",\n  \"PaymentDetails\": {\n    \"OwnerFirstName\": \"Nir\",\n    \"OwnerLastName\": \"Debbi\",\n    \"OwnerName\": \"GlobalE\",\n    \"CardNumber\": \"0000-0000-0000-0000\",\n    \"CVVNumber\": \"000\",\n    \"PaymentMethodName\": \"Visa\",\n    \"PaymentMethodCode\": \"VI\",\n    \"PaymentMethodTypeCode\": \"cc\",\n    \"ExpirationDate\": \"2016-10-31\",\n    \"CountryName\": \"Israel\",\n    \"CountryCode\": \"IL\",\n    \"StateOrProvince\": \"\",\n    \"City\": \"Petach Tikva\",\n    \"Zip\": \"12345\",\n    \"Address1\": \"Kiryat Arye\",\n    \"Address2\": \"\",\n    \"Phone1\": \"\",\n    \"Phone2\": \"\",\n    \"Fax\": \"\",\n    \"Email\": \"\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://{merchant_site_domain}/order-payment-only-url")

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

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"OrderId\": \"00010000100000000020\",\n  \"MerchantGUID\": \"abcdabcd-abcd-abcd-abcd-abcdabcdabcd\",\n  \"PaymentDetails\": {\n    \"OwnerFirstName\": \"Nir\",\n    \"OwnerLastName\": \"Debbi\",\n    \"OwnerName\": \"GlobalE\",\n    \"CardNumber\": \"0000-0000-0000-0000\",\n    \"CVVNumber\": \"000\",\n    \"PaymentMethodName\": \"Visa\",\n    \"PaymentMethodCode\": \"VI\",\n    \"PaymentMethodTypeCode\": \"cc\",\n    \"ExpirationDate\": \"2016-10-31\",\n    \"CountryName\": \"Israel\",\n    \"CountryCode\": \"IL\",\n    \"StateOrProvince\": \"\",\n    \"City\": \"Petach Tikva\",\n    \"Zip\": \"12345\",\n    \"Address1\": \"Kiryat Arye\",\n    \"Address2\": \"\",\n    \"Phone1\": \"\",\n    \"Phone2\": \"\",\n    \"Fax\": \"\",\n    \"Email\": \"\"\n  }\n}"

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

{
  "ResponseInfo": {
    "Success": "true",
    "OrderId": "123456789",
    "InternalOrderId": "00010000100000000020",
    "StatusCode": "Confirmed",
    "Message": "",
    "Description": "",
    "ErrorCode": "",
    "PaymentAmount": "393.56",
    "PaymentCurrencyCode": "NZD"
  }
}