openapi: 3.1.0
info:
  title: Workday Financials Workday Financial Accounting API
  description: >-
    API for journal entries, account reconciliation, period close activities,
    and audit trails within Workday Financial Accounting.
  version: v38.2
  contact:
    name: Workday Support
    url: https://www.workday.com/en-us/company/latest/support.html
  termsOfService: https://www.workday.com/en-us/legal.html
externalDocs:
  description: Workday Financial Accounting API Documentation
  url: https://community.workday.com/sites/default/files/file-hosting/productionapi/index.html
servers:
  - url: https://{tenant}.workday.com/api/financialAccounting/v38.2
    description: Workday Financial Accounting Production
    variables:
      tenant:
        description: Workday tenant identifier
        default: your-tenant
tags:
  - name: Account Reconciliations
    description: Manage account reconciliation processes
  - name: Accounting Periods
    description: Manage accounting periods and period close
  - name: Audit Logs
    description: Access financial audit trail data
  - name: Journal Entries
    description: Create and manage journal entries
  - name: Trial Balances
    description: Access trial balance data
security:
  - bearerAuth: []
paths:
  /journalEntries:
    get:
      operationId: listJournalEntries
      summary: Workday Financials List journal entries
      description: >-
        Retrieve a collection of journal entries.
      tags:
        - Journal Entries
      parameters:
        - $ref: '#/components/parameters/limit'
        - $ref: '#/components/parameters/offset'
        - name: status
          in: query
          description: Filter by journal entry status
          schema:
            type: string
            enum:
              - Draft
              - Submitted
              - Approved
              - Posted
              - Reversed
        - name: fromDate
          in: query
          description: Filter entries from this date
          schema:
            type: string
            format: date
        - name: toDate
          in: query
          description: Filter entries to this date
          schema:
            type: string
            format: date
      responses:
        '200':
          description: Journal entries retrieved successfully
          content:
            application/json:
              schema:
                type: object
                properties:
                  total:
                    type: integer
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/JournalEntry'
        '401':
          $ref: '#/components/responses/Unauthorized'
    post:
      operationId: createJournalEntry
      summary: Workday Financials Create a journal entry
      description: >-
        Create a new journal entry for financial accounting.
      tags:
        - Journal Entries
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/JournalEntryCreate'
      responses:
        '201':
          description: Journal entry created successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/JournalEntry'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /journalEntries/{id}:
    get:
      operationId: getJournalEntry
      summary: Workday Financials Get a journal entry
      description: >-
        Retrieve details of a specific journal entry.
      tags:
        - Journal Entries
      parameters:
        - $ref: '#/components/parameters/resourceId'
      responses:
        '200':
          description: Journal entry details
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/JournalEntry'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
  /journalEntries/{id}/post:
    post:
      operationId: postJournalEntry
      summary: Workday Financials Post a journal entry
      description: >-
        Post an approved journal entry to the general ledger.
      tags:
        - Journal Entries
      parameters:
        - $ref: '#/components/parameters/resourceId'
      responses:
        '200':
          description: Journal entry posted successfully
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
        '409':
          description: Journal entry is not in a valid state for posting
  /journalEntries/{id}/reverse:
    post:
      operationId: reverseJournalEntry
      summary: Workday Financials Reverse a journal entry
      description: >-
        Create a reversal of a posted journal entry.
      tags:
        - Journal Entries
      parameters:
        - $ref: '#/components/parameters/resourceId'
      requestBody:
        content:
          application/json:
            schema:
              type: object
              properties:
                reversalDate:
                  type: string
                  format: date
                  description: Date for the reversal entry
      responses:
        '201':
          description: Journal entry reversed successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/JournalEntry'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
  /accountReconciliations:
    get:
      operationId: listAccountReconciliations
      summary: Workday Financials List account reconciliations
      description: >-
        Retrieve a collection of account reconciliations.
      tags:
        - Account Reconciliations
      parameters:
        - $ref: '#/components/parameters/limit'
        - $ref: '#/components/parameters/offset'
        - name: status
          in: query
          description: Filter by reconciliation status
          schema:
            type: string
            enum:
              - InProgress
              - Completed
              - Approved
      responses:
        '200':
          description: Account reconciliations retrieved successfully
          content:
            application/json:
              schema:
                type: object
                properties:
                  total:
                    type: integer
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/AccountReconciliation'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /accountReconciliations/{id}:
    get:
      operationId: getAccountReconciliation
      summary: Workday Financials Get an account reconciliation
      description: >-
        Retrieve details of a specific account reconciliation.
      tags:
        - Account Reconciliations
      parameters:
        - $ref: '#/components/parameters/resourceId'
      responses:
        '200':
          description: Account reconciliation details
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AccountReconciliation'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
  /accountingPeriods:
    get:
      operationId: listAccountingPeriods
      summary: Workday Financials List accounting periods
      description: >-
        Retrieve a collection of accounting periods.
      tags:
        - Accounting Periods
      parameters:
        - $ref: '#/components/parameters/limit'
        - $ref: '#/components/parameters/offset'
      responses:
        '200':
          description: Accounting periods retrieved successfully
          content:
            application/json:
              schema:
                type: object
                properties:
                  total:
                    type: integer
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/AccountingPeriod'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /accountingPeriods/{id}:
    get:
      operationId: getAccountingPeriod
      summary: Workday Financials Get an accounting period
      description: >-
        Retrieve details of a specific accounting period.
      tags:
        - Accounting Periods
      parameters:
        - $ref: '#/components/parameters/resourceId'
      responses:
        '200':
          description: Accounting period details
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AccountingPeriod'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
  /accountingPeriods/{id}/close:
    post:
      operationId: closeAccountingPeriod
      summary: Workday Financials Close an accounting period
      description: >-
        Close an open accounting period, preventing further postings.
      tags:
        - Accounting Periods
      parameters:
        - $ref: '#/components/parameters/resourceId'
      responses:
        '200':
          description: Accounting period closed successfully
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
        '409':
          description: Period is not in a valid state for closing
  /auditLogs:
    get:
      operationId: listAuditLogs
      summary: Workday Financials List audit logs
      description: >-
        Retrieve financial audit trail entries.
      tags:
        - Audit Logs
      parameters:
        - $ref: '#/components/parameters/limit'
        - $ref: '#/components/parameters/offset'
        - name: fromDate
          in: query
          description: Filter logs from this date
          schema:
            type: string
            format: date-time
        - name: toDate
          in: query
          description: Filter logs to this date
          schema:
            type: string
            format: date-time
        - name: eventType
          in: query
          description: Filter by event type
          schema:
            type: string
      responses:
        '200':
          description: Audit logs retrieved successfully
          content:
            application/json:
              schema:
                type: object
                properties:
                  total:
                    type: integer
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/AuditLogEntry'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /trialBalances:
    get:
      operationId: listTrialBalances
      summary: Workday Financials List trial balances
      description: >-
        Retrieve trial balance data for specified periods.
      tags:
        - Trial Balances
      parameters:
        - $ref: '#/components/parameters/limit'
        - $ref: '#/components/parameters/offset'
        - name: period
          in: query
          description: Accounting period identifier
          schema:
            type: string
      responses:
        '200':
          description: Trial balances retrieved successfully
          content:
            application/json:
              schema:
                type: object
                properties:
                  total:
                    type: integer
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/TrialBalanceEntry'
        '401':
          $ref: '#/components/responses/Unauthorized'
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: OAuth 2.0 bearer token obtained from Workday authentication
  parameters:
    resourceId:
      name: id
      in: path
      required: true
      description: Unique identifier of the resource (WID)
      schema:
        type: string
    limit:
      name: limit
      in: query
      description: Maximum number of results to return
      schema:
        type: integer
        default: 20
        maximum: 100
    offset:
      name: offset
      in: query
      description: Number of results to skip for pagination
      schema:
        type: integer
        default: 0
  responses:
    Unauthorized:
      description: Authentication credentials are missing or invalid
    NotFound:
      description: The requested resource was not found
    BadRequest:
      description: The request was malformed or contained invalid data
  schemas:
    JournalEntry:
      type: object
      properties:
        id:
          type: string
          description: Workday ID (WID) for the journal entry
        journalNumber:
          type: string
          description: System-generated journal entry number
        journalDate:
          type: string
          format: date
          description: Date of the journal entry
        description:
          type: string
          description: Description of the journal entry
        status:
          type: string
          enum:
            - Draft
            - Submitted
            - Approved
            - Posted
            - Reversed
          description: Current status of the journal entry
        journalSource:
          type: string
          description: Source of the journal entry
        company:
          $ref: '#/components/schemas/CompanyRef'
        currency:
          $ref: '#/components/schemas/CurrencyRef'
        totalDebit:
          type: number
          format: double
          description: Total debit amount
        totalCredit:
          type: number
          format: double
          description: Total credit amount
        lines:
          type: array
          items:
            $ref: '#/components/schemas/JournalLine'
        accountingPeriod:
          $ref: '#/components/schemas/PeriodRef'
        createdBy:
          $ref: '#/components/schemas/WorkerRef'
        createdOn:
          type: string
          format: date-time
          description: When the journal entry was created
    JournalEntryCreate:
      type: object
      required:
        - journalDate
        - company
        - lines
      properties:
        journalDate:
          type: string
          format: date
          description: Date of the journal entry
        description:
          type: string
          description: Description of the journal entry
        company:
          $ref: '#/components/schemas/CompanyRef'
        currency:
          $ref: '#/components/schemas/CurrencyRef'
        lines:
          type: array
          items:
            $ref: '#/components/schemas/JournalLine'
          minItems: 2
          description: Journal entry lines (minimum two for debit/credit)
    JournalLine:
      type: object
      properties:
        ledgerAccount:
          $ref: '#/components/schemas/LedgerAccountRef'
        debitAmount:
          type: number
          format: double
          description: Debit amount for this line
        creditAmount:
          type: number
          format: double
          description: Credit amount for this line
        memo:
          type: string
          description: Line-level memo
        costCenter:
          $ref: '#/components/schemas/CostCenterRef'
    AccountReconciliation:
      type: object
      properties:
        id:
          type: string
          description: Workday ID (WID) for the reconciliation
        ledgerAccount:
          $ref: '#/components/schemas/LedgerAccountRef'
        reconciliationDate:
          type: string
          format: date
          description: Date of the reconciliation
        beginningBalance:
          type: number
          format: double
          description: Beginning balance
        endingBalance:
          type: number
          format: double
          description: Ending balance
        variance:
          type: number
          format: double
          description: Variance amount
        status:
          type: string
          enum:
            - InProgress
            - Completed
            - Approved
          description: Reconciliation status
        preparedBy:
          $ref: '#/components/schemas/WorkerRef'
        approvedBy:
          $ref: '#/components/schemas/WorkerRef'
    AccountingPeriod:
      type: object
      properties:
        id:
          type: string
          description: Workday ID (WID) for the accounting period
        name:
          type: string
          description: Period name (e.g., January 2026)
        startDate:
          type: string
          format: date
          description: Period start date
        endDate:
          type: string
          format: date
          description: Period end date
        status:
          type: string
          enum:
            - Open
            - Closed
            - Locked
          description: Period status
        fiscalYear:
          type: string
          description: Fiscal year reference
        company:
          $ref: '#/components/schemas/CompanyRef'
    AuditLogEntry:
      type: object
      properties:
        id:
          type: string
          description: Workday ID (WID) for the audit log entry
        eventType:
          type: string
          description: Type of audit event
        eventDate:
          type: string
          format: date-time
          description: When the event occurred
        user:
          $ref: '#/components/schemas/WorkerRef'
        resourceType:
          type: string
          description: Type of resource affected
        resourceId:
          type: string
          description: ID of the affected resource
        description:
          type: string
          description: Description of the audit event
        previousValue:
          type: string
          description: Previous value (for change events)
        newValue:
          type: string
          description: New value (for change events)
    TrialBalanceEntry:
      type: object
      properties:
        id:
          type: string
          description: Workday ID (WID) for the trial balance entry
        ledgerAccount:
          $ref: '#/components/schemas/LedgerAccountRef'
        accountingPeriod:
          $ref: '#/components/schemas/PeriodRef'
        debitBalance:
          type: number
          format: double
          description: Debit balance amount
        creditBalance:
          type: number
          format: double
          description: Credit balance amount
        netBalance:
          type: number
          format: double
          description: Net balance amount
        currency:
          $ref: '#/components/schemas/CurrencyRef'
    CompanyRef:
      type: object
      properties:
        id:
          type: string
          description: Workday ID of the company
        descriptor:
          type: string
          description: Display name of the company
    CurrencyRef:
      type: object
      properties:
        id:
          type: string
          description: Workday ID of the currency
        descriptor:
          type: string
          description: Currency code (e.g., USD, EUR)
    LedgerAccountRef:
      type: object
      properties:
        id:
          type: string
          description: Workday ID of the ledger account
        descriptor:
          type: string
          description: Display name of the ledger account
    CostCenterRef:
      type: object
      properties:
        id:
          type: string
          description: Workday ID of the cost center
        descriptor:
          type: string
          description: Display name of the cost center
    WorkerRef:
      type: object
      properties:
        id:
          type: string
          description: Workday ID of the worker
        descriptor:
          type: string
          description: Display name of the worker
    PeriodRef:
      type: object
      properties:
        id:
          type: string
          description: Workday ID of the accounting period
        descriptor:
          type: string
          description: Display name of the period