curl --request POST \
  --url https://{apiBaseUrl}/v1/{sessionId}/cart/item \
  --header 'Content-Type: application/json' \
  --header 'X-API-KEY: <api-key>' \
  --data '
{
  "productId": 123,
  "quantity": 123,
  "amount": {
    "amount": 99.99,
    "currency": "EUR"
  },
  "hidePrice": true,
  "comment": "<string>",
  "beneficiary": {
    "firstName": "<string>",
    "lastName": "<string>",
    "email": "jsmith@example.com"
  },
  "sentFrom": "<string>"
}
'

const url = 'https://{apiBaseUrl}/v1/{sessionId}/cart/item';
const options = {
  method: 'POST',
  headers: {'X-API-KEY': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    productId: 123,
    quantity: 123,
    amount: {amount: 99.99, currency: 'EUR'},
    hidePrice: true,
    comment: '<string>',
    beneficiary: {firstName: '<string>', lastName: '<string>', email: 'jsmith@example.com'},
    sentFrom: '<string>'
  })
};

fetch(url, options)
  .then(res => res.json())
  .then(json => console.log(json))
  .catch(err => console.error(err));

import requests

url = "https://{apiBaseUrl}/v1/{sessionId}/cart/item"

payload = {
    "productId": 123,
    "quantity": 123,
    "amount": {
        "amount": 99.99,
        "currency": "EUR"
    },
    "hidePrice": True,
    "comment": "<string>",
    "beneficiary": {
        "firstName": "<string>",
        "lastName": "<string>",
        "email": "jsmith@example.com"
    },
    "sentFrom": "<string>"
}
headers = {
    "X-API-KEY": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://{apiBaseUrl}/v1/{sessionId}/cart/item",
  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([
    'productId' => 123,
    'quantity' => 123,
    'amount' => [
        'amount' => 99.99,
        'currency' => 'EUR'
    ],
    'hidePrice' => true,
    'comment' => '<string>',
    'beneficiary' => [
        'firstName' => '<string>',
        'lastName' => '<string>',
        'email' => 'jsmith@example.com'
    ],
    'sentFrom' => '<string>'
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "X-API-KEY: <api-key>"
  ],
]);

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

curl_close($curl);

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

using RestSharp;


var options = new RestClientOptions("https://{apiBaseUrl}/v1/{sessionId}/cart/item");
var client = new RestClient(options);
var request = new RestRequest("");
request.AddHeader("X-API-KEY", "<api-key>");
request.AddJsonBody("{\n  \"productId\": 123,\n  \"quantity\": 123,\n  \"amount\": {\n    \"amount\": 99.99,\n    \"currency\": \"EUR\"\n  },\n  \"hidePrice\": true,\n  \"comment\": \"<string>\",\n  \"beneficiary\": {\n    \"firstName\": \"<string>\",\n    \"lastName\": \"<string>\",\n    \"email\": \"jsmith@example.com\"\n  },\n  \"sentFrom\": \"<string>\"\n}", false);
var response = await client.PostAsync(request);

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

HttpResponse<String> response = Unirest.post("https://{apiBaseUrl}/v1/{sessionId}/cart/item")
  .header("X-API-KEY", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"productId\": 123,\n  \"quantity\": 123,\n  \"amount\": {\n    \"amount\": 99.99,\n    \"currency\": \"EUR\"\n  },\n  \"hidePrice\": true,\n  \"comment\": \"<string>\",\n  \"beneficiary\": {\n    \"firstName\": \"<string>\",\n    \"lastName\": \"<string>\",\n    \"email\": \"jsmith@example.com\"\n  },\n  \"sentFrom\": \"<string>\"\n}")
  .asString();

{
  "cartItemIds": [
    "3c90c3cc-0d44-4b50-8888-8dd25736052a"
  ]
}

{
  "type": "<string>",
  "title": "<string>",
  "status": 123,
  "detail": "<string>",
  "instance": "<string>"
}

{
  "type": "<string>",
  "title": "<string>",
  "status": 123,
  "detail": "<string>",
  "instance": "<string>"
}

{
  "type": "<string>",
  "title": "<string>",
  "status": 123,
  "detail": "<string>",
  "instance": "<string>"
}