The response contains information on what options are available for that state and how to display them. Each state is unique.
{
    "state_information": {
        "name": "California"
    },
    "display_fields": {
        "state_misc_1_value": {
            "label": "Filing Status",
            "enum": [
                "S",
                "M",
                "H"
            ],
            "type": "select",
            "options": [
                {
                    "label": "Single or Married with Dual Employers",
                    "value": "S"
                },
                {
                    "label": "Married filing Jointly",
                    "value": "M"
                },
                {
                    "label": "Unmarried Head of Household",
                    "value": "H"
                }
            ],
            "required": true
        },
        "state_misc_3_value": {
            "label": "Regular Allowances",
            "pattern": "^\\d{0,6}$",
            "type": "text",
            "required": false
        },
        "state_misc_2_value": {
            "label": "Additional Allowances",
            "pattern": "^\\d{0,6}$",
            "type": "text",
            "required": false
        },
        "sit_additional_amount": {
            "label": "Additional Withholding",
            "pattern": "^\\d{0,6}(\\.\\d{1,6})?$",
            "type": "text",
            "required": false
        },
        "sdi_exempt": {
            "label": "SDI Exempt",
            "enum": [
                "0",
                "1"
            ],
            "type": "radio",
            "options": [
                {
                    "label": "True",
                    "value": "1"
                },
                {
                    "label": "False",
                    "value": "0"
                }
            ],
            "required": true
        },
        "state_misc_4_value": {
            "label": "Use Supplemental Bonus Rate",
            "enum": [
                "",
                "BONUS"
            ],
            "type": "radio",
            "options": [
                {
                    "label": "True",
                    "value": "BONUS"
                },
                {
                    "label": "False",
                    "value": ""
                }
            ],
            "required": true
        },
        "sit_exempt": {
            "label": "Exempt From State Withholding",
            "enum": [
                "0",
                "1"
            ],
            "type": "radio",
            "options": [
                {
                    "label": "True",
                    "value": "1"
                },
                {
                    "label": "False",
                    "value": "0"
                }
            ],
            "required": true
        },
        "state_resident": {
            "label": "State Resident",
            "enum": [
                "0",
                "1"
            ],
            "type": "radio",
            "options": [
                {
                    "label": "True",
                    "value": "1"
                },
                {
                    "label": "False",
                    "value": "0"
                }
            ],
            "required": true
        }
    }
}