curl --request GET \
  --url https://api.plexospay.com/v1/checkout/sessions/{id} \
  --header 'Authorization: Bearer <token>'

{
  "id": "cs_abc123",
  "url": "https://pay.plexospay.com/cs_abc123",
  "amount": "30000",
  "currency": "CVE",
  "status": "OPEN",
  "returnUrl": "<string>",
  "completionUrl": "<string>",
  "customerId": "<string>",
  "paymentIntentId": "<string>",
  "items": [
    {
      "id": "<string>",
      "productId": "<string>",
      "name": "<string>",
      "description": "<string>",
      "quantity": 123,
      "unitPrice": "<string>",
      "currency": "CVE"
    }
  ],
  "metadata": {},
  "expiresAt": "2023-11-07T05:31:56Z",
  "createdAt": "2023-11-07T05:31:56Z",
  "updatedAt": "2023-11-07T05:31:56Z"
}