curl --request GET \
  --url https://api.example.com/api/v1/invoices \
  --header 'x-api-key: <x-api-key>'

[
  {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "customer_email": "<string>",
    "amount": 123,
    "currency": "<string>",
    "status": "<string>",
    "due_date": "2023-11-07T05:31:56Z",
    "paid_at": "2023-11-07T05:31:56Z",
    "refund_amount": 123,
    "refund_status": "<string>",
    "refund_reason": "<string>",
    "created_at": "2023-11-07T05:31:56Z"
  }
]