openapi: 3.1.0
info:
  title: IFS Cloud ERP Finance API
  description: IFS Cloud ERP REST API providing integration with financial management, procurement, manufacturing, project management, and supply chain modules. IFS Cloud exposes OData-compatible REST endpoints for accessing business entities across energy, manufacturing, aerospace, and defense industry verticals.
  version: 22.1.0
  contact:
    name: IFS Support
    url: https://www.ifs.com/support/
  license:
    name: IFS License
    url: https://www.ifs.com/
servers:
- url: https://{tenant}.ifs.cloud/main/ifsapp/data
  description: IFS Cloud REST API (OData endpoint)
  variables:
    tenant:
      default: yourcompany
      description: IFS Cloud tenant identifier
security:
- OAuth2: []
tags:
- name: Finance
  description: General ledger, vouchers, and financial entities
paths:
  /VOUCHER_API:
    get:
      operationId: listVouchers
      summary: List accounting vouchers
      description: Returns general ledger voucher records. Supports OData $filter, $select, $orderby, and $top/$skip for pagination.
      tags:
      - Finance
      parameters:
      - name: $filter
        in: query
        schema:
          type: string
        description: OData filter expression (e.g., "VoucherDate ge 2024-01-01 and AccountingYear eq '2024'")
      - name: $select
        in: query
        schema:
          type: string
        description: Comma-separated list of fields to return
      - name: $top
        in: query
        schema:
          type: integer
          default: 100
          maximum: 1000
      - name: $skip
        in: query
        schema:
          type: integer
          default: 0
      - name: $orderby
        in: query
        schema:
          type: string
      responses:
        '200':
          description: Voucher list returned
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/VoucherCollection'
  /VOUCHER_API(AccountingYear='{accountingYear}',VoucherType='{voucherType}',VoucherNo={voucherNo},Company='{company}'):
    get:
      operationId: getVoucher
      summary: Get a specific voucher
      description: Returns a single voucher by its composite key (accounting year, voucher type, voucher number, and company).
      tags:
      - Finance
      parameters:
      - name: accountingYear
        in: path
        required: true
        schema:
          type: string
        description: Accounting year (e.g., "2024")
      - name: voucherType
        in: path
        required: true
        schema:
          type: string
        description: Voucher type code
      - name: voucherNo
        in: path
        required: true
        schema:
          type: integer
        description: Voucher number
      - name: company
        in: path
        required: true
        schema:
          type: string
        description: Company code
      responses:
        '200':
          description: Voucher returned
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Voucher'
        '404':
          description: Voucher not found
components:
  schemas:
    VoucherCollection:
      type: object
      properties:
        '@odata.context':
          type: string
        '@odata.count':
          type: integer
        value:
          type: array
          items:
            $ref: '#/components/schemas/Voucher'
    VoucherRow:
      type: object
      properties:
        RowNo:
          type: integer
        Account:
          type: string
        CostCentre:
          type: string
        ProjectId:
          type: string
        Quantity:
          type: number
        Amount:
          type: number
          format: double
        CurrencyAmount:
          type: number
          format: double
        Text:
          type: string
        AccountingPeriod:
          type: integer
    Voucher:
      type: object
      properties:
        Company:
          type: string
          description: Company code
        AccountingYear:
          type: string
        VoucherType:
          type: string
        VoucherNo:
          type: integer
        VoucherDate:
          type: string
          format: date
        Description:
          type: string
        Function:
          type: string
        Amount:
          type: number
          format: double
        CurrencyCode:
          type: string
        Objstate:
          type: string
          description: Voucher state (e.g., Preliminary, Approved, Confirmed)
        UserGroup:
          type: string
        VoucherRows:
          type: array
          items:
            $ref: '#/components/schemas/VoucherRow'
  securitySchemes:
    OAuth2:
      type: oauth2
      flows:
        authorizationCode:
          authorizationUrl: https://login.ifs.cloud/oauth2/authorize
          tokenUrl: https://login.ifs.cloud/oauth2/token
          scopes:
            ifs.read: Read IFS data
            ifs.write: Write IFS data
externalDocs:
  description: IFS Cloud Documentation
  url: https://docs.ifs.com/