curl --request GET \
  --url https://sandbox.nmbr.co/services/payroll/employer_statutory_withholding_types \
  --header 'Authorization: Bearer <token>'

{
  "object": "list",
  "data": [
    {
      "id": "<id>",
      "object": "employer_statutory_withholding_type",
      "data": {
        "type": "cpp",
        "label": "CPP"
      },
      "links": {
        "self": "/employer_statutory_withholding_types/cpp"
      }
    },
    {
      "id": "<id>",
      "object": "employer_statutory_withholding_type",
      "data": {
        "type": "cpp_2",
        "label": "CPP 2"
      },
      "links": {
        "self": "/employer_statutory_withholding_types/cpp_2"
      }
    },
    {
      "id": "<id>",
      "object": "employer_statutory_withholding_type",
      "data": {
        "type": "eht",
        "label": "EHT"
      },
      "links": {
        "self": "/employer_statutory_withholding_types/eht"
      }
    },
    {
      "id": "<id>",
      "object": "employer_statutory_withholding_type",
      "data": {
        "type": "ei",
        "label": "EI"
      },
      "links": {
        "self": "/employer_statutory_withholding_types/ei"
      }
    },
    {
      "id": "<id>",
      "object": "employer_statutory_withholding_type",
      "data": {
        "type": "qpip",
        "label": "QPIP"
      },
      "links": {
        "self": "/employer_statutory_withholding_types/qpip"
      }
    },
    {
      "id": "<id>",
      "object": "employer_statutory_withholding_type",
      "data": {
        "type": "qpp",
        "label": "QPP"
      },
      "links": {
        "self": "/employer_statutory_withholding_types/qpp"
      }
    },
    {
      "id": "<id>",
      "object": "employer_statutory_withholding_type",
      "data": {
        "type": "qpp_2",
        "label": "QPP 2"
      },
      "links": {
        "self": "/employer_statutory_withholding_types/qpp_2"
      }
    },
    {
      "id": "<id>",
      "object": "employer_statutory_withholding_type",
      "data": {
        "type": "wcb",
        "label": "WCB"
      },
      "links": {
        "self": "/employer_statutory_withholding_types/wcb"
      }
    }
  ],
  "links": {
    "first": "/employer_statutory_withholding_types?page=1",
    "last": "/employer_statutory_withholding_types?page=1",
    "prev": null,
    "next": null
  },
  "meta": {
    "current_page": 1,
    "last_page": 1,
    "per_page": 15,
    "total": 8,
    "has_more": false
  }
}