curl --request GET \
  --url https://api.openfiskal.com/v1/merchants \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "id": "<string>",
      "legal_name": "<string>",
      "country_code": "DEU",
      "status": "active",
      "address": {
        "line1": "<string>",
        "city": "<string>",
        "postal_code": "<string>",
        "country_code": "DEU",
        "line2": "<string>"
      },
      "fiscal_identities": [
        {
          "country_code": "DEU",
          "tax_number": "21/815/08150",
          "vat_id": "DE123456789"
        }
      ],
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z"
    }
  ],
  "next_cursor": "<string>"
}