curl --request GET \
  --url https://api.sandbox.primer.io/client-session \
  --header 'X-API-KEY: <api-key>' \
  --header 'X-API-VERSION: <x-api-version>'

import requests

url = "https://api.sandbox.primer.io/client-session"

headers = {
    "X-API-VERSION": "<x-api-version>",
    "X-API-KEY": "<api-key>"
}

response = requests.get(url, headers=headers)

print(response.text)

const options = {
  method: 'GET',
  headers: {'X-API-VERSION': '<x-api-version>', 'X-API-KEY': '<api-key>'}
};

fetch('https://api.sandbox.primer.io/client-session', 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.primer.io/client-session",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "X-API-KEY: <api-key>",
    "X-API-VERSION: <x-api-version>"
  ],
]);

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

curl_close($curl);

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

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://api.sandbox.primer.io/client-session"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("X-API-VERSION", "<x-api-version>")
	req.Header.Add("X-API-KEY", "<api-key>")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://api.sandbox.primer.io/client-session")
  .header("X-API-VERSION", "<x-api-version>")
  .header("X-API-KEY", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.sandbox.primer.io/client-session")

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

request = Net::HTTP::Get.new(url)
request["X-API-VERSION"] = '<x-api-version>'
request["X-API-KEY"] = '<api-key>'

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

{
  "customerId": "customer-123",
  "orderId": "order-abc",
  "currencyCode": "GBP",
  "amount": 650,
  "metadata": {
    "productType": "Clothing"
  },
  "customer": {
    "emailAddress": "john@primer.io"
  },
  "order": {
    "lineItems": [
      {
        "itemId": "t-shirt-1",
        "description": "White T-Shirt",
        "amount": 500,
        "quantity": 1
      }
    ],
    "fees": [
      {
        "type": "SURCHARGE",
        "amount": 100
      }
    ],
    "shipping": {
      "amount": 50
    },
    "paymentMethod": {
      "vaultOnSuccess": false,
      "vaultOn3DS": false,
      "options": {
        "GOOGLE_PAY": {
          "surcharge": {
            "amount": 100
          }
        },
        "PAYMENT_CARD": {
          "networks": {
            "VISA": {
              "surcharge": {
                "amount": 10
              }
            },
            "MASTERCARD": {
              "surcharge": {
                "amount": 20
              }
            }
          }
        },
        "PAY_NL_IDEAL": {
          "surcharge": {
            "amount": 50
          }
        }
      }
    },
    "authorizationType": "ESTIMATED"
  }
}

{
  "error": {
    "errorId": "<string>",
    "description": "<string>",
    "recoverySuggestion": "<string>",
    "diagnosticsId": "<string>",
    "validationErrors": [
      {}
    ],
    "paymentId": "<string>",
    "paymentStatus": "<string>"
  }
}

{
  "error": {
    "errorId": "<string>",
    "description": "<string>",
    "recoverySuggestion": "<string>",
    "diagnosticsId": "<string>",
    "validationErrors": [
      {}
    ]
  }
}