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OpenAPI Specification

openapi: 3.2.0
info:
  title: check-api Agencies API
  version: '2025-01-01'
servers:
- url: https://sandbox.checkhq.com
security:
- sec0: []
tags:
- name: Agencies
paths:
  /agencies:
    get:
      summary: List agencies
      operationId: list-agencies
      description: Returns the list of agencies.
      parameters:
      - name: id
        in: query
        description: Agency IDs to look up, for batch lookups. Repeat the parameter to provide multiple values (max 500 per request).
        explode: true
        schema:
          type: array
          items:
            type: string
      - name: jurisdiction
        in: query
        description: Jurisdictions to filter to, as lowercase region codes (e.g. `fed`, `ny`, `pa`). A state's code includes its state and local agencies. Repeat the parameter to provide multiple values.
        explode: true
        schema:
          type: array
          items:
            type: string
      - name: label_contains
        in: query
        description: Case-insensitive substring match on the agency `label`. Useful for looking up local agencies by name.
        schema:
          type: string
      - name: limit
        in: query
        description: Number of results per page (default 25, max 500).
        schema:
          type: integer
          default: 25
          maximum: 500
      responses:
        '200':
          description: '200'
          content:
            application/json:
              examples:
                Result:
                  value:
                    next: https://sandbox.checkhq.com/agencies?cursor=cD0lNUIlMjJmZWQlMjIlMkMlMjJJbnRlcm5hbCtSZXZlbnVlK1NlcnZpY2UlMjIlNUQ
                    previous: null
                    results:
                    - id: agc_ukjABgbD0hQ3dfBRyMPD
                      label: Internal Revenue Service
                      jurisdiction: fed
                    - id: agc_aocLMQ2cPTPcvUZegRxT
                      label: Berkheimer Tax Administrator
                      jurisdiction: pa
              schema:
                type: object
                properties:
                  next:
                    type: string
                    nullable: true
                    description: URL of the next page of results, or null if there are no more.
                  previous:
                    type: string
                    nullable: true
                    description: URL of the previous page of results, or null on the first page.
                  results:
                    type: array
                    items:
                      type: object
                      properties:
                        id:
                          type: string
                          description: Unique identifier (`agc_` prefix) for the agency.
                          example: agc_ukjABgbD0hQ3dfBRyMPD
                        label:
                          type: string
                          description: Human-readable name for display.
                          example: Internal Revenue Service
                        jurisdiction:
                          type: string
                          description: Lowercase region code (`fed` or a lowercased ISO 3166-2:US region code). Local agencies use their state's value.
                          example: fed
        '400':
          description: '400'
          content:
            application/json:
              examples:
                Result:
                  value:
                    error:
                      type: validation_error
                      message: Please correct the required fields and try again.
                      input_errors:
                      - field: detail
                        field_path:
                        - detail
                        message: Unknown jurisdiction.
              schema:
                type: object
                properties:
                  error:
                    type: object
                    properties:
                      type:
                        type: string
                        example: validation_error
                      message:
                        type: string
                        example: Please correct the required fields and try again.
                      input_errors:
                        type: array
                        items:
                          type: object
                          properties:
                            field:
                              type: string
                              example: detail
                            field_path:
                              type: array
                              items:
                                type: string
                            message:
                              type: string
                              example: Unknown jurisdiction.
      deprecated: false
      tags:
      - Agencies
  /agencies/{id}:
    get:
      summary: Get an agency
      operationId: get-an-agency
      description: Returns a single agency by ID.
      parameters:
      - name: id
        in: path
        description: ID of the agency.
        required: true
        schema:
          type: string
      responses:
        '200':
          description: '200'
          content:
            application/json:
              examples:
                Result:
                  value:
                    id: agc_ukjABgbD0hQ3dfBRyMPD
                    label: Internal Revenue Service
                    jurisdiction: fed
              schema:
                type: object
                properties:
                  id:
                    type: string
                    description: Unique identifier (`agc_` prefix) for the agency.
                    example: agc_ukjABgbD0hQ3dfBRyMPD
                  label:
                    type: string
                    description: Human-readable name for display.
                    example: Internal Revenue Service
                  jurisdiction:
                    type: string
                    description: Lowercase region code (`fed` or a lowercased ISO 3166-2:US region code). Local agencies use their state's value.
                    example: fed
        '404':
          description: '404'
          content:
            application/json:
              examples:
                Result:
                  value:
                    error:
                      type: not_found
                      message: Not found.
              schema:
                type: object
                properties:
                  error:
                    type: object
                    properties:
                      type:
                        type: string
                        example: not_found
                      message:
                        type: string
                        example: Not found.
      deprecated: false
      tags:
      - Agencies
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