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

{
  "id": "<id>",
  "object": "form_type",
  "data": {
    "type": "td1",
    "label": "TD1 Personal Tax Credits Return",
    "version_year": 2026,
    "version_month": "january",
    "owner_types": [
      "work_assignment"
    ],
    "exportable_as": [],
    "supports_population": false,
    "supports_generation": false,
    "fields": [
      {
        "key": "line_1_basic_personal_amount",
        "label": "Basic Personal Amount (Line 1)",
        "type": "currency",
        "required": false,
        "readonly": false
      },
      {
        "key": "line_2_infirm_children_caregiver_amount",
        "label": "Infirm Children Caregiver Amount (Line 2)",
        "type": "currency",
        "required": false,
        "readonly": false
      },
      {
        "key": "line_3_age_amount",
        "label": "Age Amount (Line 3)",
        "type": "currency",
        "required": false,
        "readonly": false
      },
      {
        "key": "line_4_pension_income_amount",
        "label": "Pension Income Amount (Line 4)",
        "type": "currency",
        "required": false,
        "readonly": false
      },
      {
        "key": "line_5_tuition",
        "label": "Tuition (Line 5)",
        "type": "currency",
        "required": false,
        "readonly": false
      },
      {
        "key": "line_6_disability_amount",
        "label": "Disability Amount (Line 6)",
        "type": "currency",
        "required": false,
        "readonly": false
      },
      {
        "key": "line_7_spouse_or_common_law_partner_amount",
        "label": "Spouse or Common-law Partner Amount (Line 7)",
        "type": "currency",
        "required": false,
        "readonly": false
      },
      {
        "key": "line_8_eligible_dependent_amount",
        "label": "Eligible Dependent Amount (Line 8)",
        "type": "currency",
        "required": false,
        "readonly": false
      },
      {
        "key": "line_9_infirm_dependent_caregiver_amount",
        "label": "Infirm Dependent Caregiver Amount (Line 9)",
        "type": "currency",
        "required": false,
        "readonly": false
      },
      {
        "key": "line_10_dependent_caregiver_amount",
        "label": "Dependent Caregiver Amount (Line 10)",
        "type": "currency",
        "required": false,
        "readonly": false
      },
      {
        "key": "line_11_spouse_or_common_law_transfer_amount",
        "label": "Spouse or Common-law Transfer Amount (Line 11)",
        "type": "currency",
        "required": false,
        "readonly": false
      },
      {
        "key": "line_12_dependent_transfer_amount",
        "label": "Dependent Transfer Amount (Line 12)",
        "type": "currency",
        "required": false,
        "readonly": false
      },
      {
        "key": "line_13_total_claim_amount",
        "label": "Total Claim Amount (Line 13)",
        "type": "currency",
        "required": false,
        "readonly": false
      },
      {
        "key": "more_than_one_employer_or_payer",
        "label": "You have more than one employer or payer",
        "type": "boolean",
        "required": false,
        "readonly": false
      },
      {
        "key": "total_income_less_than_total_claim_amount",
        "label": "Total income is less than total claim amount",
        "type": "boolean",
        "required": false,
        "readonly": false
      },
      {
        "key": "ninety_percent_world_income_taxable_income",
        "label": "90% of World Income is Taxable in Canada",
        "type": "boolean",
        "required": false,
        "readonly": false
      },
      {
        "key": "prescribed_zone_deduction",
        "label": "Prescribed Zone Deduction",
        "type": "currency",
        "required": false,
        "readonly": false
      },
      {
        "key": "additional_tax_deduction",
        "label": "Additional Tax Deduction",
        "type": "currency",
        "required": false,
        "readonly": false
      }
    ]
  },
  "links": {
    "self": "/form_types/td1"
  }
}