Workday Tracking System Balances API

openapi: 3.0.3
info:
  title: Workday Absence Management Accruals Balances API
  description: Track employee attendance, absences, leave requests, and time off balances in the Workday platform. Supports entering time off, requesting leave of absence, managing accrual balances, and processing return-from-leave events.
  version: v1
  contact:
    name: Workday Developer Support
    url: https://developer.workday.com
  x-generated-from: documentation
  x-last-validated: '2026-05-03'
servers:
- url: https://{tenant}.workday.com/api/absence-management/v1
  description: Workday tenant-specific Absence Management REST API
  variables:
    tenant:
      default: your-tenant
      description: Your Workday tenant identifier
security:
- BearerAuth: []
tags:
- name: Balances
  description: Operations for managing time off plan balances and overrides
paths:
  /workers/{workerId}/timeOffBalances:
    get:
      operationId: listTimeOffBalances
      summary: List Time Off Balances
      description: Retrieves dynamic time off plan balances for a worker across all enrolled time off plans.
      tags:
      - Balances
      parameters:
      - name: workerId
        in: path
        required: true
        description: The Workday ID of the worker
        schema:
          type: string
      - name: asOfDate
        in: query
        required: false
        description: Balance as-of date (YYYY-MM-DD)
        schema:
          type: string
          format: date
      responses:
        '200':
          description: Time off balances retrieved successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TimeOffBalancesResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
components:
  responses:
    NotFound:
      description: Resource not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    Unauthorized:
      description: Authentication required
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
  schemas:
    TimeOffBalance:
      type: object
      description: A worker's balance for a specific time off plan
      properties:
        planId:
          type: string
          description: Workday ID of the time off plan
        planName:
          type: string
          description: Name of the time off plan
          example: Vacation
        balance:
          type: number
          format: float
          description: Current available balance in hours
          example: 80.0
        accrued:
          type: number
          format: float
          description: Total hours accrued year-to-date
          example: 96.0
        used:
          type: number
          format: float
          description: Total hours used year-to-date
          example: 16.0
        pending:
          type: number
          format: float
          description: Hours pending approval
          example: 8.0
        unit:
          type: string
          description: Unit of measurement
          enum:
          - Hours
          - Days
          example: Hours
        asOfDate:
          type: string
          format: date
          description: Date the balance was calculated
    TimeOffBalancesResponse:
      type: object
      description: Response containing time off balances
      properties:
        workerId:
          type: string
          description: Workday ID of the worker
        balances:
          type: array
          description: Array of time off plan balances
          items:
            $ref: '#/components/schemas/TimeOffBalance'
    ErrorResponse:
      type: object
      description: Standard error response
      properties:
        error:
          type: string
          description: Error code
        message:
          type: string
          description: Human-readable error message
        details:
          type: array
          items:
            type: object
            properties:
              field:
                type: string
              message:
                type: string
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: OAuth 2.0 Bearer token authentication