curl https://api.kwugwo.africa/v1/checkouts/chk.VCvr.7K2qPmRtV9xLnQ8sD1cYwHfE \
  -H "Authorization: Bearer $KWUGWO_SECRET_KEY"

const checkout = await fetch(
  `https://api.kwugwo.africa/v1/checkouts/${checkoutId}`,
  { headers: { Authorization: `Bearer ${process.env.KWUGWO_SECRET_KEY}` } }
).then(r => r.json());

<?php
$ch = curl_init("https://api.kwugwo.africa/v1/checkouts/{$checkoutId}");
curl_setopt_array($ch, [
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER     => ['Authorization: Bearer ' . getenv('KWUGWO_SECRET_KEY')],
]);
$checkout = json_decode(curl_exec($ch), true);
curl_close($ch);

import os, requests

checkout = requests.get(
    f"https://api.kwugwo.africa/v1/checkouts/{checkout_id}",
    headers={"Authorization": f"Bearer {os.environ['KWUGWO_SECRET_KEY']}"},
).json()

url := fmt.Sprintf("https://api.kwugwo.africa/v1/checkouts/%s", checkoutId)
req, _ := http.NewRequest("GET", url, nil)
req.Header.Set("Authorization", "Bearer "+os.Getenv("KWUGWO_SECRET_KEY"))
resp, _ := http.DefaultClient.Do(req)
defer resp.Body.Close()

{
  "uid": "chk.VCvr.vBtGwathtd99FpQGIGwIAATX",
  "currency": "NGN",
  "mediums": [
    { "medium": "bank_transfer" },
    { "medium": "ussd" }
  ]
}

{
  "code": 404,
  "message": "nzube.checkout.error.not_found"
}