curl --request GET \
  --url https://checkout.kalixo.io/v1/customers/{id} \
  --header 'Authorization: Bearer <token>'

const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

fetch('https://checkout.kalixo.io/v1/customers/{id}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://checkout.kalixo.io/v1/customers/{id}"

headers = {"Authorization": "Bearer <token>"}

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

print(response.text)

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://checkout.kalixo.io/v1/customers/{id}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>"
  ],
]);

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

curl_close($curl);

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

{
  "id": "cus_01JABCDEF",
  "object": "customer",
  "metadata": {},
  "created_at": "2023-11-07T05:31:56Z",
  "reference": "<string>",
  "email": "<string>",
  "name": "<string>"
}

{
  "error": {
    "type": "invalid_request_error",
    "code": "amount_locked",
    "message": "<string>",
    "request_id": "<string>",
    "decline_code": "<string>",
    "param": "<string>"
  }
}