curl --request GET \
  --url https://api.example.com/subscriptions \
  --header 'ApiKey: <apikey>' \
  --header 'Environment: <environment>' \
  --header 'MerchantId: <merchantid>'

import requests

url = "https://api.example.com/subscriptions"

headers = {
    "ApiKey": "<apikey>",
    "MerchantId": "<merchantid>",
    "Environment": "<environment>"
}

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

print(response.text)

const options = {
  method: 'GET',
  headers: {ApiKey: '<apikey>', MerchantId: '<merchantid>', Environment: '<environment>'}
};

fetch('https://api.example.com/subscriptions', 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.example.com/subscriptions",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "ApiKey: <apikey>",
    "Environment: <environment>",
    "MerchantId: <merchantid>"
  ],
]);

$response = curl_exec($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.example.com/subscriptions"

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

	req.Header.Add("ApiKey", "<apikey>")
	req.Header.Add("MerchantId", "<merchantid>")
	req.Header.Add("Environment", "<environment>")

	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.example.com/subscriptions")
  .header("ApiKey", "<apikey>")
  .header("MerchantId", "<merchantid>")
  .header("Environment", "<environment>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.example.com/subscriptions")

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

request = Net::HTTP::Get.new(url)
request["ApiKey"] = '<apikey>'
request["MerchantId"] = '<merchantid>'
request["Environment"] = '<environment>'

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

[
  {
    "id": 123,
    "cybersourceSubscriptionId": {},
    "status": "created",
    "billingMode": "rbs_scheduled",
    "frequency": "weekly",
    "amount": {},
    "currency": "<string>",
    "startDate": {},
    "customerId": "<string>",
    "createdAt": "2023-11-07T05:31:56Z"
  }
]

{
  "status": 401,
  "error": {
    "type": "authorization_error",
    "code": "wrong_credentials",
    "message": "L'ID marchand et/ou la clé d'API sont incorrects."
  }
}

{
  "type": "internal_error",
  "code": [
    "internal_error",
    "wrong_credentials",
    "not_granted",
    "live_mode_not_granted"
  ],
  "message": "An error occurred on our system. Please try again later."
}