curl --request POST \
  --url https://api.upwell.com/api/rest/invoices/search \
  --header 'Content-Type: application/json' \
  --data '
{
  "sourceSystem": "<string>",
  "sourceSystemId": "<string>",
  "limit": 10,
  "offset": 0,
  "orderBy": [],
  "where": {}
}
'

{
  "invoices": [
    {
      "balance": 123,
      "customer": {
        "id": "<string>",
        "name": "<string>"
      },
      "customerId": "<string>",
      "dueDate": "2023-12-25",
      "id": "<string>",
      "invoiceLineItems": [
        {
          "createdAt": "2023-11-07T05:31:56Z",
          "description": "<string>",
          "id": "<string>",
          "item": "<string>",
          "lineNumber": "<string>",
          "quantity": "<unknown>",
          "sourceSystem": "<string>",
          "sourceSystemId": "<string>",
          "totalAmount": 123,
          "unitPrice": 123,
          "updatedAt": "2023-11-07T05:31:56Z"
        }
      ],
      "issueDate": "2023-12-25",
      "number": "<string>",
      "sourceSystem": "<string>",
      "sourceSystemId": "<string>",
      "totalAmount": 123,
      "invoiceNumber": "<string>",
      "createdAt": "2023-11-07T05:31:56Z",
      "updatedAt": "2023-11-07T05:31:56Z"
    }
  ]
}