curl --request GET \
  --url https://api.openfiskal.com/v1/registers/{registerId}/operations \
  --header 'Authorization: Bearer <token>'

{
  "object": "<string>",
  "data": [
    {
      "id": "op_01HXYZ",
      "object": "<string>",
      "type": "sale",
      "state": "open",
      "register_id": "<string>",
      "location_id": "<string>",
      "organization_id": "<string>",
      "external_id": "<string>",
      "sequence_number": 123,
      "cashier": {
        "id": "<string>",
        "display_name": "Maria R."
      },
      "fiscal": {
        "regime": "<string>",
        "document_type": "Kassenbeleg",
        "transmission_status": "transmitted",
        "fiscal_unit_id": "fu_01HXYZ",
        "document_number": "2026-004822",
        "transmitted_at": "2023-11-07T05:31:56Z",
        "verification": {
          "url": "<string>",
          "qr_data": "<string>"
        },
        "tse_serial": "<string>",
        "client_id": "<string>",
        "signature_algorithm": "ecdsa-plain-SHA384",
        "time_format": "utcTime",
        "start_event": {
          "signed_at": "2023-11-07T05:31:56Z",
          "transaction_counter": 4821,
          "signature": "aSDinaTvuI8gbWludGxpZnk=",
          "process_type": "<string>",
          "process_data": "<string>"
        },
        "end_event": {
          "signed_at": "2023-11-07T05:31:56Z",
          "transaction_counter": 4821,
          "signature": "aSDinaTvuI8gbWludGxpZnk=",
          "process_type": "<string>",
          "process_data": "<string>"
        }
      },
      "fiscal_state": "pending",
      "references": {
        "original_operation_id": "<string>",
        "reason": "<string>"
      },
      "metadata": {},
      "started_at": "2023-11-07T05:31:56Z",
      "completed_at": "2023-11-07T05:31:56Z",
      "created_at": "2023-11-07T05:31:56Z",
      "data": {
        "currency": "EUR",
        "line_items": [
          {
            "id": "li_01HXYZ",
            "position": 1,
            "description": "Wiener Schnitzel",
            "quantity": 2,
            "unit": "piece",
            "unit_price_gross": 1800,
            "product_ref": "<string>",
            "flags": [
              "deposit"
            ],
            "subtotal_gross": 3600,
            "line_discounts": [
              {
                "source": "manual",
                "amount": 360,
                "id": "ldsc_01HXYZ",
                "type": "percentage",
                "label": "Happy Hour",
                "rate": "0.10"
              }
            ],
            "line_discount_amount": 360,
            "subtotal_after_line_discounts": 3240,
            "cart_discount_allocations": [
              {
                "discount_id": "cdsc_01HXYZ",
                "amount": 162,
                "label": "SAVE10 coupon"
              }
            ],
            "cart_discount_amount": 324,
            "total_gross": 2916,
            "tax": {
              "rate": "0.19",
              "category": "standard",
              "included_in_price": true,
              "taxable_amount": 2651,
              "tax_amount": 265
            },
            "total_net": 2651
          }
        ],
        "cart_discounts": [
          {
            "source": "coupon",
            "id": "cdsc_01HXYZ",
            "total_amount": 500,
            "type": "percentage",
            "label": "SAVE10 coupon",
            "code": "SAVE10",
            "allocation_method": "proportional",
            "rate": "0.10",
            "amount": 500
          }
        ],
        "payments": [
          {
            "method": "cash",
            "direction": "inbound",
            "amount": 4250,
            "currency": "<string>",
            "reference": "<string>",
            "cash": {
              "amount_tendered": 5000
            },
            "card": {
              "scheme": "visa",
              "last4": "4242",
              "authorization_code": "<string>",
              "terminal_id": "<string>",
              "application_id": "<string>"
            },
            "wallet": {
              "provider": "apple_pay",
              "scheme": "visa",
              "last4": "4242",
              "authorization_code": "<string>"
            },
            "voucher": {
              "code": "SUMMER20",
              "type": "promotional"
            },
            "gift_card": {
              "gift_card_id": "<string>",
              "last4": "8821"
            },
            "online": {
              "provider": "paypal",
              "transaction_reference": "<string>"
            },
            "id": "<string>",
            "status": "approved"
          }
        ],
        "totals": {
          "subtotal_gross": 123,
          "total_line_discounts": 123,
          "subtotal_after_line_discounts": 123,
          "total_cart_discounts": 123,
          "subtotal_after_all_discounts": 123,
          "rounding_adjustment": 123,
          "total_gross": 123,
          "total_net": 123,
          "total_tax": 123,
          "tax_breakdown": [
            {
              "rate": "<string>",
              "category": "<string>",
              "taxable_amount": 123,
              "tax_amount": 123,
              "total_gross": 123
            }
          ],
          "net_payable": 123
        },
        "customer": {
          "id": "<string>",
          "display_name": "<string>",
          "tax_id": "<string>",
          "tax_id_type": "codice_fiscale",
          "email": "jsmith@example.com",
          "phone": "<string>",
          "loyalty_number": "<string>"
        },
        "notes": [
          {
            "type": "custom",
            "text": "<string>"
          }
        ]
      }
    }
  ],
  "cursor": "<string>"
}