List Credit Notes for Client

curl --request GET \
  --url https://api.sandbox.flowpayroll.ai/v1/billing/clients/{clientId}/credit-notes \
  --header 'X-Auth-Token: <api-key>'

{
  "content": {
    "data": [
      {
        "id": "<string>",
        "creditNoteNumber": "<string>",
        "clientId": "<string>",
        "organisationId": "<string>",
        "date": "<string>",
        "subTotal": 123,
        "totalTax": 123,
        "amount": 123,
        "balanceDue": 123,
        "reference": "<string>",
        "invoiceReference": "<string>",
        "linkedInvoiceId": "<string>",
        "groupingKey": "<string>",
        "source": "<string>",
        "currencyCode": "<string>",
        "currencyRate": 123,
        "subtotalGroups": [
          {
            "label": "<string>",
            "amount": 123,
            "taxAmount": 123,
            "totalAmount": 123,
            "sortOrder": 123
          }
        ],
        "attachments": [
          {
            "id": "<string>",
            "fileName": "<string>",
            "url": "<string>",
            "description": "<string>",
            "s3Key": "<string>",
            "contentType": "<string>",
            "fileSize": 123,
            "uploadedDate": "<string>",
            "uploadedBy": "<string>",
            "downloadUrl": "<string>",
            "downloadUrlExpiresAt": "<string>"
          }
        ],
        "linesWithoutAttachmentsCount": 123,
        "linesWithoutPoNumberCount": 123,
        "allocations": [
          {
            "allocationId": "<string>",
            "creditNoteId": "<string>",
            "invoiceId": "<string>",
            "amount": 123,
            "date": "<string>",
            "invoice": {
              "invoiceId": "<string>",
              "invoiceNumber": "<string>"
            }
          }
        ],
        "externalId": "<string>",
        "externalProvider": "<string>",
        "lastSyncedAt": "<string>",
        "syncErrorMessage": "<string>",
        "syncErrorCode": "<string>",
        "externalProviderStatus": "<string>",
        "emailSent": true,
        "emailSentAt": "<string>",
        "emailSentBy": "<string>",
        "createdDate": "<string>",
        "createdBy": "<string>",
        "updatedDate": "<string>",
        "updatedBy": "<string>"
      }
    ],
    "metadata": {
      "dateFormat": "<string>",
      "dateTimeFormat": "<string>"
    }
  },
  "metadata": {
    "dateFormat": "<string>",
    "dateTimeFormat": "<string>"
  },
  "errors": [
    {
      "field": "<string>",
      "reasonText": "<string>",
      "reasonId": "<string>",
      "reasonParameters": [
        {
          "key": "<string>",
          "value": "<string>"
        }
      ]
    }
  ],
  "message": {
    "text": "<string>",
    "textId": "<string>",
    "textParameters": [
      {
        "key": "<string>",
        "value": "<string>"
      }
    ]
  }
}