Gusto Companies API

openapi: 3.1.0
info:
  title: Gusto Embedded Payroll BankAccounts Companies API
  version: 1.0.0
  description: 'REST API for embedding Gusto''s payroll, tax filing, and HR workflows into

    third-party platforms. Supports companies, contractors, employees,

    payrolls, contractor payments, bank accounts, pay schedules, flows,

    reports, and webhook events. Date-based API versioning. Authentication is

    via OAuth 2.0 for company-level access or a system-level bearer token for

    partner operations, with fine-grained scopes.

    '
  contact:
    name: Gusto Developer Documentation
    url: https://docs.gusto.com/embedded-payroll
servers:
- url: https://api.gusto.com
  description: Gusto production API
security:
- bearerAuth: []
tags:
- name: Companies
paths:
  /v1/companies:
    get:
      summary: Retrieve company information
      operationId: listCompanies
      tags:
      - Companies
      responses:
        '200':
          description: Company information.
  /v1/partner-managed-companies:
    post:
      summary: Create partner-managed company
      operationId: createPartnerManagedCompany
      tags:
      - Companies
      responses:
        '201':
          description: Company created.
  /v1/companies/{company_id}:
    put:
      summary: Update company details
      operationId: updateCompany
      tags:
      - Companies
      parameters:
      - in: path
        name: company_id
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Company updated.
  /v1/companies/{company_id}/federal_tax_details:
    get:
      summary: Get federal tax configuration
      operationId: getFederalTaxDetails
      tags:
      - Companies
      parameters:
      - in: path
        name: company_id
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Federal tax configuration.
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: 'OAuth 2.0 access token for company-level access or system-level bearer

        token for partner operations. Scopes such as payrolls:read, payrolls:run,

        contractors:write provide fine-grained permissions.

        '