curl --request GET \
  --url https://api.leanpay.fr/v1/public/invoices/{invoiceId} \
  --header 'Authorization: <api-key>'

{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "tenantId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "clientId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "externalId": "<string>",
  "reference": "<string>",
  "amount": 123,
  "remainingAmount": 123,
  "paidAmount": 123,
  "offsetAmount": 123,
  "sentDate": "2023-11-07T05:31:56Z",
  "issueDate": "2023-11-07T05:31:56Z",
  "dueDate": "2023-11-07T05:31:56Z",
  "upcomingPaymentDate": "2023-11-07T05:31:56Z",
  "dueDates": [
    {
      "dueDate": "2023-11-07T05:31:56Z",
      "currency": "<string>",
      "amount": 1,
      "defaultCurrencyAmount": 1
    }
  ],
  "payments": [
    {
      "date": "2023-11-07T05:31:56Z",
      "amount": 1,
      "defaultCurrencyAmount": 1,
      "externalId": "<string>"
    }
  ],
  "creditNoteLinks": [
    {
      "date": "2023-11-07T05:31:56Z",
      "amount": 1,
      "defaultCurrencyAmount": 1,
      "externalId": "<string>",
      "creditNote": {
        "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "externalId": "<string>"
      }
    }
  ],
  "createdAt": "2023-11-07T05:31:56Z",
  "updatedAt": "2023-11-07T05:31:56Z"
}