curl --request GET \
  --url https://api.loops.fi/api/v2/checkout/sessions/{id} \
  --header 'Authorization: Bearer <token>'

{
  "id": "<string>",
  "url": "<string>",
  "status": "PENDING",
  "amount": 123,
  "currency": "<string>",
  "productName": "<string>",
  "createdAt": "2023-11-07T05:31:56Z",
  "updatedAt": "2023-11-07T05:31:56Z",
  "productDescription": "<string>",
  "externalCustomerId": "<string>",
  "expiresAt": "2023-11-07T05:31:56Z",
  "completedAt": "2023-11-07T05:31:56Z",
  "metadata": {},
  "pricingType": "ONE_TIME",
  "allowedPaymentMethods": [
    "<string>"
  ],
  "successUrl": "<string>",
  "cancelUrl": "<string>"
}