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OpenAPI Specification

openapi: 3.2.0
info:
  title: check-api Forms API
  version: '2025-01-01'
servers:
- url: https://sandbox.checkhq.com
security:
- sec0: []
tags:
- name: Forms
paths:
  /forms:
    get:
      summary: List forms
      description: ''
      operationId: list-forms
      parameters:
      - name: state
        in: query
        description: Filter for forms that apply to the provided state. Must be a two-digit state abbreviation.
        schema:
          type: string
      - name: lang
        in: query
        description: Prefer returning forms in the provided ISO 639-1 language code. Fall back to English forms if preferred language form does not exist.
        schema:
          type: string
      - name: type
        in: query
        schema:
          type: string
          enum:
          - contractor_setup
      responses:
        '200':
          description: '200'
          content:
            application/json:
              examples:
                Result:
                  value: "{\n  \"next\": null,\n  \"previous\": null,\n  \"results\": [\n    {\n      \"id\": \"frm_ntKOaUm6qIJabIBmqLXU\",\n      \"description\": \"Federal I-9\",\n      \"link\": \"https://www.uscis.gov/system/files_force/files/form/i-9-paper-version.pdf\",\n      \"revision_date\": \"2019-10-21\"\n    },\n    {\n      \"id\": \"frm_FBt3oC1x28IrZELkhb21\",\n      \"description\": \"Federal W-4\",\n      \"link\": \"https://www.irs.gov/pub/irs-pdf/fw4.pdf\",\n      \"revision_date\": \"2020-01-01\"\n    },\n    {\n      \"id\": \"frm_j7NxXAhh4ZlAsJ6tbP1A\",\n      \"description\": \"California DE-4\",\n      \"link\": \"https://www.edd.ca.gov/pdf_pub_ctr/de4.pdf\",\n      \"revision_date\": \"2020-02-01\"\n    },\n    ...\n  ]\n}"
        '400':
          description: '400'
          content:
            application/json:
              examples:
                Result:
                  value: '{}'
              schema:
                type: object
                properties: {}
      deprecated: false
      tags:
      - Forms
  /forms/{form}:
    get:
      summary: Get a form
      description: ''
      operationId: get-a-form
      parameters:
      - name: form
        in: path
        schema:
          type: string
        required: true
      - name: type
        in: query
        description: By adding type=contractor_setup as a query parameter, we will surface all of the contractor specific forms.
        schema:
          type: string
      responses:
        '200':
          description: '200'
          content:
            application/json:
              examples:
                Result:
                  value: "{\n  \"id\": \"frm_VjOW9Qq93M7UGxi6eocg\",\n  \"description\": \"District of Columbia D-4\",\n  \"link\": \"https://www.exim.gov/sites/default/files/newsreleases/DCStateTaxForm-1.pdf\",\n  \"revision_date\": \"2010-12-01\",\n  \"parameters\": [\n    {\n      \"name\": \"first_name\",\n      \"label\": \"First name\",\n      \"description\": null,\n      \"type\": \"string\",\n      \"options\": null,\n      \"required\": true,\n      \"depends_on\": null\n    },\n    ...\n    {\n      \"name\": \"ssn\",\n      \"label\": \"Social Security number\",\n      \"description\": null,\n      \"type\": \"string\",\n      \"options\": null,\n      \"required\": true,\n      \"depends_on\": null\n    },\n    ...\n    {\n      \"name\": \"additional_amount\",\n      \"label\": \"Additional amount\",\n      \"description\": \"Add a whole dollar amount if any, you would like deducted from your paycheck for D.C Income Tax each pay period.\",\n      \"type\": \"currency\",\n      \"options\": null,\n      \"required\": false,\n      \"depends_on\": null\n    },\n    {\n      \"name\": \"exempt\",\n      \"label\": \"Exempt\",\n      \"description\": \"Before claiming exemption from withholding, read form and, if qualified, choose 'Yes'.\",\n      \"type\": \"select\",\n      \"options\": [\n        {\n          \"label\": \"No\",\n          \"value\": \"no\"\n        },\n        {\n          \"label\": \"Yes\",\n          \"value\": \"yes\"\n        }\n      ],\n      \"required\": false,\n      \"depends_on\": null\n    },\n    {\n      \"name\": \"domicile_is_other_state\",\n      \"label\": \"My domicile is a state other than the District of Columbia\",\n      \"description\": \"Fill in the state in which you reside if it is not the District of Columbia.\",\n      \"type\": \"select\",\n      \"options\": [\n        {\n          \"label\": \"No\",\n          \"value\": \"no\"\n        },\n        {\n          \"label\": \"Yes\",\n          \"value\": \"yes\"\n        }\n      ],\n      \"required\": true,\n      \"depends_on\": {\n        \"name\": \"exempt\",\n        \"value_matches\": \"yes\"\n      }\n    },\n    ...\n  ]\n}"
        '400':
          description: '400'
          content:
            application/json:
              examples:
                Result:
                  value: '{}'
              schema:
                type: object
                properties: {}
      deprecated: false
      tags:
      - Forms
components:
  securitySchemes:
    sec0:
      type: apiKey
      in: header
      name: Authorization
      x-bearer-format: bearer
      x-default: YOUR_API_KEY
x-readme-fauxas: true
x-provenance:
  method: searched
  source: https://docs.checkhq.com/reference
  harvested: '2026-10-14'
  tool: harvest-readme-openapi.py
  note: Assembled verbatim from the OpenAPI definition ReadMe embeds in each operation page of the provider's developer portal; paths and components merged by API title, nothing authored.
  assembled_from:
  - https://docs.checkhq.com/reference/add-filing-blockers.md
  - https://docs.checkhq.com/reference/approve-a-correction.md
  - https://docs.checkhq.com/reference/approve-an-external-payroll.md
  - https://docs.checkhq.com/reference/approve-payroll.md
  - https://docs.checkhq.com/reference/bulk-get-employee-tax-parameter-settings.md
  - https://docs.checkhq.com/reference/bulk-get-employee-tax-params.md
  - https://docs.checkhq.com/reference/bulk-update-employee-tax-parameters.md
  - https://docs.checkhq.com/reference/cancel-a-payment.md
  - https://docs.checkhq.com/reference/company-business-details.md
  - https://docs.checkhq.com/reference/company-checklist-component.md
  - https://docs.checkhq.com/reference/company-connect-bank-account.md
  - https://docs.checkhq.com/reference/company-employee-setup.md
  - https://docs.checkhq.com/reference/company-filing-authorization.md
  - https://docs.checkhq.com/reference/company-pay-history.md
  - https://docs.checkhq.com/reference/company-payment-setup.md
  - https://docs.checkhq.com/reference/company-progress-tracker.md
  - https://docs.checkhq.com/reference/company-signatory-agreements.md
  - https://docs.checkhq.com/reference/company-tax-setup.md
  - https://docs.checkhq.com/reference/company-team-setup.md
  - https://docs.checkhq.com/reference/company-terms-of-service.md
  - https://docs.checkhq.com/reference/company-verification-documents.md
  - https://docs.checkhq.com/reference/contractor-roster.md
  - https://docs.checkhq.com/reference/create-a-bank-account.md
  - https://docs.checkhq.com/reference/create-a-company-provided-document.md
  - https://docs.checkhq.com/reference/create-a-contractor-payment.md
  - https://docs.checkhq.com/reference/create-a-correction.md
  - https://docs.checkhq.com/reference/create-a-pay-schedule.md
  - https://docs.checkhq.com/reference/create-a-payroll-item.md
  - https://docs.checkhq.com/reference/create-a-post-tax-deduction.md
  - https://docs.checkhq.com/reference/create-a-report-run.md
  - https://docs.checkhq.com/reference/create-a-workplace.md
  - https://docs.checkhq.com/reference/create-an-earning-code.md
  - https://docs.checkhq.com/reference/create-an-earning-rate.md
  - https://docs.checkhq.com/reference/create-an-external-payroll.md
  - https://docs.checkhq.com/reference/create-company-tax-elections.md
  - https://docs.checkhq.com/reference/create-net-pay-split.md
  - https://docs.checkhq.com/reference/create-payroll.md
  - https://docs.checkhq.com/reference/create-the-enrollment-profile.md
  - https://docs.checkhq.com/reference/credit-limits.md
  - https://docs.checkhq.com/reference/delete-a-bank-account.md
  - https://docs.checkhq.com/reference/delete-a-company-benefit.md
  - https://docs.checkhq.com/reference/delete-a-contractor-payment.md
  - https://docs.checkhq.com/reference/delete-a-correction.md
  - https://docs.checkhq.com/reference/delete-a-pay-schedule.md
  - https://docs.checkhq.com/reference/delete-a-payroll-copy-1.md
  - https://docs.checkhq.com/reference/delete-a-payroll-item-1.md
  - https://docs.checkhq.com/reference/delete-a-payroll-item.md
  - https://docs.checkhq.com/reference/delete-a-payroll.md
  - https://docs.checkhq.com/reference/delete-a-post-tax-deduction.md
  - https://docs.checkhq.com/reference/delete-a-webhook-config.md
  - https://docs.checkhq.com/reference/delete-an-employee-benefit.md
  - https://docs.checkhq.com/reference/download-a-report-run.md
  - https://docs.checkhq.com/reference/download-a-setup-document.md
  - https://docs.checkhq.com/reference/download-a-tax-package.md
  - https://docs.checkhq.com/reference/employee-roster.md
  - https://docs.checkhq.com/reference/employee-tax-setup.md
  - https://docs.checkhq.com/reference/employee-tax-statements-1.md
  - https://docs.checkhq.com/reference/employee-withholdings-setup.md
  - https://docs.checkhq.com/reference/filing-preview-component.md
  - https://docs.checkhq.com/reference/full-service-setup-submission.md
  - https://docs.checkhq.com/reference/generate-contractor-onboard-link.md
  - https://docs.checkhq.com/reference/generate-onboard-link.md
  - https://docs.checkhq.com/reference/get-a-communication.md
  - https://docs.checkhq.com/reference/get-a-company-filing.md
  - https://docs.checkhq.com/reference/get-a-contractor-pay-statement.md
  - https://docs.checkhq.com/reference/get-a-contractor-payment.md
  - https://docs.checkhq.com/reference/get-a-correction-receipt-download.md
  - https://docs.checkhq.com/reference/get-a-correction-receipt.md
  - https://docs.checkhq.com/reference/get-a-correction.md
  - https://docs.checkhq.com/reference/get-a-form.md
  - https://docs.checkhq.com/reference/get-a-fulfillment-receipt-2.md
  - https://docs.checkhq.com/reference/get-a-fulfillment.md
  - https://docs.checkhq.com/reference/get-a-log.md
  - https://docs.checkhq.com/reference/get-a-notification.md
  - https://docs.checkhq.com/reference/get-a-paper-check-2.md
  - https://docs.checkhq.com/reference/get-a-paper-check.md
  - https://docs.checkhq.com/reference/get-a-pay-schedule.md
  - https://docs.checkhq.com/reference/get-a-report-run.md
  - https://docs.checkhq.com/reference/get-a-setup-document.md
  - https://docs.checkhq.com/reference/get-a-setup.md
  - https://docs.checkhq.com/reference/get-a-tax-package.md
  - https://docs.checkhq.com/reference/get-a-tax.md
  - https://docs.checkhq.com/reference/get-a-webhook-delivery.md
  - https://docs.checkhq.com/reference/get-an-agency.md
  - https://docs.checkhq.com/reference/get-an-earning-code.md
  - https://docs.checkhq.com/reference/get-an-earning-rate.md
  - https://docs.checkhq.com/reference/get-an-employees-paystubs.md
  - https://docs.checkhq.com/reference/get-an-external-payroll.md
  - https://docs.checkhq.com/reference/get-an-integration-partner-copy.md
  - https://docs.checkhq.com/reference/get-child-support-payments-report.md
  - https://docs.checkhq.com/reference/get-company-paydays.md
  - https://docs.checkhq.com/reference/get-paper-checks-report.md
  - https://docs.checkhq.com/reference/get-paper-checks.md
  - https://docs.checkhq.com/reference/get-paydays.md
  - https://docs.checkhq.com/reference/get-payroll-journal.md
  - https://docs.checkhq.com/reference/get-payroll.md
  - https://docs.checkhq.com/reference/integration-partners-copy.md
  - https://docs.checkhq.com/reference/integration-partners.md
  - https://docs.checkhq.com/reference/list-a-webhook-config.md
  - https://docs.checkhq.com/reference/list-active-funding-strikes.md
  - https://docs.checkhq.com/reference/list-agencies.md
  - https://docs.checkhq.com/reference/list-bank-accounts.md
  - https://docs.checkhq.com/reference/list-benefits.md
  - https://docs.checkhq.com/reference/list-communications.md
  - https://docs.checkhq.com/reference/list-companies.md
  - https://docs.checkhq.com/reference/list-company-authorization-documents.md
  - https://docs.checkhq.com/reference/list-company-benefits.md
  - https://docs.checkhq.com/reference/list-company-filings.md
  - https://docs.checkhq.com/reference/list-company-tax-documents.md
  - https://docs.checkhq.com/reference/list-company-tax-elections.md
  - https://docs.checkhq.com/reference/list-company-tax-parameter-settings.md
  - https://docs.checkhq.com/reference/list-company-tax-parameters.md
  - https://docs.checkhq.com/reference/list-contractor-forms.md
  - https://docs.checkhq.com/reference/list-contractor-payments.md
  - https://docs.checkhq.com/reference/list-contractor-tax-documents.md
  - https://docs.checkhq.com/reference/list-contractors.md
  - https://docs.checkhq.com/reference/list-corrections.md
  - https://docs.checkhq.com/reference/list-earning-codes.md
  - https://docs.checkhq.com/reference/list-earning-rates.md
  - https://docs.checkhq.com/reference/list-employee-tax-documents.md
  - https://docs.checkhq.com/reference/list-employee-tax-elections.md
  - https://docs.checkhq.com/reference/list-employee-tax-parameter-settings.md
  - https://docs.checkhq.com/reference/list-employee-tax-statements.md
  - https://docs.checkhq.com/reference/list-employees-tax-parameters.md
  - https://docs.checkhq.com/reference/list-employees.md
  - https://docs.checkhq.com/reference/list-external-payrolls.md
  - https://docs.checkhq.com/reference/list-forms.md
  - https://docs.checkhq.com/reference/list-fulfillments.md
  - https://docs.checkhq.com/reference/list-integration-accesses-1.md
  - https://docs.checkhq.com/reference/list-integration-permissions-copy.md
  - https://docs.checkhq.com/reference/list-integration-permissions.md
  - https://docs.checkhq.com/reference/list-logs.md
  - https://docs.checkhq.com/reference/list-net-pay-splits.md
  - https://docs.checkhq.com/reference/list-notifications.md
  - https://docs.checkhq.com/reference/list-pay-schedules.md
  - https://docs.checkhq.com/reference/list-payments.md
  - https://docs.checkhq.com/reference/list-payroll-items.md
  - https://docs.checkhq.com/reference/list-payrolls.md
  - https://docs.checkhq.com/reference/list-post-tax-deductions.md
  - https://docs.checkhq.com/reference/list-report-runs.md
  - https://docs.checkhq.com/reference/list-setup-documents.md
  - https://docs.checkhq.com/reference/list-setups.md
  - https://docs.checkhq.com/reference/list-tax-deposits.md
  - https://docs.checkhq.com/reference/list-taxes.md
  - https://docs.checkhq.com/reference/list-usage-records.md
  - https://docs.checkhq.com/reference/list-usage-summaries.md
  - https://docs.checkhq.com/reference/list-webhook-deliveries.md
  - https://docs.checkhq.com/reference/list-workplaces.md
  - https://docs.checkhq.com/reference/preview-a-correction.md
  - https://docs.checkhq.com/reference/preview-an-external-payroll.md
  - https://docs.checkhq.com/reference/preview-payroll.md
  - https://docs.checkhq.com/reference/previous-payroll-provider-access.md
  - https://docs.checkhq.com/reference/refund-a-payment.md
  - https://docs.checkhq.com/reference/remove-filing-blockers.md
  - https://docs.checkhq.com/reference/reopen-a-correction.md
  - https://docs.checkhq.com/reference/reopen-a-pending-payroll.md
  - https://docs.checkhq.com/reference/reopen-payroll.md
  - https://docs.checkhq.com/reference/request-a-tax-package.md
  - https://docs.checkhq.com/reference/request-embedded-setup.md
  - https://docs.checkhq.com/reference/retry-a-payment.md
  - https://docs.checkhq.com/reference/retry-a-webhook-delivery-in-sandbox.md
  - https://docs.checkhq.com/reference/reveal-account-number.md
  - https://docs.checkhq.com/reference/reveal-contractor-ssn.md
  - https://docs.checkhq.com/reference/reveal-employee-ssn.md
  - https://docs.checkhq.com/reference/run-payroll.md
  - https://docs.checkhq.com/reference/sandbox-complete-disbursements.md
  - https://docs.checkhq.com/reference/sandbox-complete-funding.md
  - https://docs.checkhq.com/reference/sandbox-correction-complete-funding.md
  - https://docs.checkhq.com/reference/sandbox-correction-fail-funding.md
  - https://docs.checkhq.com/reference/sandbox-correction-start-processing.md
  - https://docs.checkhq.com/reference/sandbox-fail-funding.md
  - https://docs.checkhq.com/reference/sandbox-start-processing.md
  - https://docs.checkhq.com/reference/submit-a-contractor-form.md
  - https://docs.checkhq.com/reference/update-a-bank-account.md
  - https://docs.checkhq.com/reference/update-a-company.md
  - https://docs.checkhq.com/reference/update-a-correction.md
  - https://docs.checkhq.com/reference/update-a-webhook-config.md
  - https://docs.checkhq.com/reference/update-a-workplace.md
  - https://docs.checkhq.com/reference/update-an-earning-rate.md
  - https://docs.checkhq.com/reference/update-an-external-payroll.md
  - https://docs.checkhq.com/reference/update-company-tax-elections.md
  - https://docs.checkhq.com/reference/update-employee-tax-elections.md
  - https://docs.checkhq.com/reference/update-payroll.md
  - https://docs.checkhq.com/reference/update-the-enrollment-profile.md
  - https://docs.checkhq.com/reference/validate-address.md
  - https://docs.checkhq.com/reference/validate-an-external-payroll.md
  - https://docs.checkhq.com/reference/void-a-payroll.md
  - https://docs.checkhq.com/reference/workplace-roster.md
  merge:
    pages: 188
    deduped: 195
    conflicts_kept_first: 0