openapi: 3.1.0
info:
  title: Paychex Workers API
  description: >-
    The Paychex Workers API provides access to employees and contractors inside
    a Paychex Flex company. Workers are nested under the company resource and
    expose personal data, employment status, pay rates, and work assignments.
  version: 1.0.0
  contact:
    name: Paychex Developer Program
    url: https://developer.paychex.com/
  license:
    name: Paychex API Terms of Use
    url: https://developer.paychex.com/

servers:
  - url: https://api.paychex.com
    description: Paychex Production API

security:
  - oauth2ClientCredentials: []

tags:
  - name: Workers
    description: Employees and contractors for a Paychex Flex company.

paths:
  /companies/{companyId}/workers:
    get:
      operationId: listCompanyWorkers
      summary: List Company Workers
      description: >-
        Return the collection of workers (employees and contractors) for a
        company that the registered application has been granted access to.
      tags: [Workers]
      parameters:
        - name: companyId
          in: path
          required: true
          description: Paychex Flex company identifier.
          schema:
            type: string
        - name: offset
          in: query
          schema:
            type: integer
            default: 0
            minimum: 0
        - name: limit
          in: query
          schema:
            type: integer
            default: 25
            minimum: 1
            maximum: 100
      responses:
        '200':
          description: Collection of workers.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/WorkersResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          $ref: '#/components/responses/Forbidden'
        '429':
          $ref: '#/components/responses/TooManyRequests'
  /companies/{companyId}/workers/{workerId}:
    get:
      operationId: getCompanyWorker
      summary: Get Company Worker
      description: Retrieve a single worker (employee or contractor) by ID.
      tags: [Workers]
      parameters:
        - name: companyId
          in: path
          required: true
          schema:
            type: string
        - name: workerId
          in: path
          required: true
          description: Paychex Flex worker identifier.
          schema:
            type: string
      responses:
        '200':
          description: Worker record.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/WorkerResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          $ref: '#/components/responses/Forbidden'
        '404':
          $ref: '#/components/responses/NotFound'

components:
  securitySchemes:
    oauth2ClientCredentials:
      type: oauth2
      flows:
        clientCredentials:
          tokenUrl: https://api.paychex.com/auth/oauth/v2/token
          scopes: {}
  schemas:
    Worker:
      type: object
      description: A worker (employee or contractor) in a Paychex Flex company.
      properties:
        workerId:
          type: string
          description: Paychex Flex worker identifier.
        companyId:
          type: string
          description: Identifier of the company the worker belongs to.
        workerType:
          type: string
          description: Worker classification (EMPLOYEE, CONTRACTOR).
        workerStatus:
          type: string
          description: Employment status (ACTIVE, TERMINATED, LEAVE).
        name:
          $ref: '#/components/schemas/PersonName'
        contact:
          $ref: '#/components/schemas/ContactInfo'
        employment:
          $ref: '#/components/schemas/EmploymentInfo'
    PersonName:
      type: object
      properties:
        givenName:
          type: string
        middleName:
          type: string
        familyName:
          type: string
        preferredName:
          type: string
    ContactInfo:
      type: object
      properties:
        emailAddress:
          type: string
          format: email
        phoneNumber:
          type: string
        address:
          $ref: '#/components/schemas/Address'
    Address:
      type: object
      properties:
        streetLineOne:
          type: string
        streetLineTwo:
          type: string
        city:
          type: string
        stateCode:
          type: string
        postalCode:
          type: string
        countryCode:
          type: string
    EmploymentInfo:
      type: object
      properties:
        hireDate:
          type: string
          format: date
        terminationDate:
          type: string
          format: date
        jobTitle:
          type: string
        departmentCode:
          type: string
        payFrequency:
          type: string
          description: e.g., WEEKLY, BIWEEKLY, SEMIMONTHLY, MONTHLY.
        payType:
          type: string
          description: e.g., HOURLY, SALARY.
        baseRate:
          type: number
          format: double
    WorkerResponse:
      type: object
      properties:
        content:
          type: array
          items:
            $ref: '#/components/schemas/Worker'
    WorkersResponse:
      type: object
      properties:
        metadata:
          $ref: '#/components/schemas/PageMetadata'
        content:
          type: array
          items:
            $ref: '#/components/schemas/Worker'
    PageMetadata:
      type: object
      properties:
        contentItemCount:
          type: integer
        totalContentItemCount:
          type: integer
        offset:
          type: integer
        limit:
          type: integer
    Error:
      type: object
      properties:
        code:
          type: string
        message:
          type: string
        details:
          type: string
  responses:
    Unauthorized:
      description: Missing or invalid OAuth 2.0 access token.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Forbidden:
      description: Registered application is not authorized for this company resource.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    NotFound:
      description: Requested resource was not found.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    TooManyRequests:
      description: Rate limit exceeded; retry after the indicated interval.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'