const options = {
  method: 'GET',
  headers: {
    'x-api-key': '<api-key>',
    'x-api-secret': '<api-key>',
    'x-connector-id': '<api-key>',
    'x-owner-id': '<api-key>',
    'x-session-token': '<api-key>'
  }
};

fetch('https://api.runmorph.dev/v1/resources/accountingInvoiceItem', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "data": [
    {
      "object": "resource",
      "model": "<string>",
      "id": "<string>",
      "fields": {
        "name": "<string>",
        "description": "<string>",
        "code": "<string>",
        "price": 1,
        "currency": "<string>"
      },
      "createdAt": "<string>",
      "updatedAt": "<string>",
      "remote": {
        "id": "<string>"
      },
      "rawResource": null,
      "warnings": [
        {
          "code": "<string>",
          "message": "<string>"
        }
      ]
    }
  ],
  "next": "<string>",
  "object": "list"
}