openapi: 3.1.0
info:
  title: SAP Sales and Distribution (SD) SAP Debit Memo Request API
  description: >-
    Create, read, update, and delete debit memo requests in SAP S/4HANA.
    This OData service (API_DEBIT_MEMO_REQUEST_SRV) supports the full lifecycle
    of debit memo requests used to charge customers for additional amounts such
    as undercharges, price adjustments, or penalty charges.
  version: 1.0.0
  contact:
    name: SAP Support
    url: https://support.sap.com
  license:
    name: SAP Developer License
    url: https://www.sap.com/about/agreements/product-use-and-support-terms.html
servers:
  - url: https://sandbox.api.sap.com/s4hanacloud/sap/opu/odata/sap/API_DEBIT_MEMO_REQUEST_SRV
    description: SAP S/4HANA Cloud Sandbox
  - url: https://{host}:{port}/sap/opu/odata/sap/API_DEBIT_MEMO_REQUEST_SRV
    description: SAP S/4HANA On-Premise
    variables:
      host:
        default: localhost
      port:
        default: '443'
security:
  - basicAuth: []
  - oauth2: []
tags:
  - name: Debit Memo Request
    description: Operations on debit memo request header (A_DebitMemoRequest)
  - name: Debit Memo Request Item
    description: Operations on debit memo request items (A_DebitMemoReqItem)
paths:
  /A_DebitMemoRequest:
    get:
      operationId: listDebitMemoRequests
      summary: Retrieve a list of debit memo requests
      description: >-
        Returns a collection of debit memo request headers with support for
        OData query options.
      tags:
        - Debit Memo Request
      parameters:
        - $ref: '#/components/parameters/top'
        - $ref: '#/components/parameters/skip'
        - $ref: '#/components/parameters/filter'
        - $ref: '#/components/parameters/orderby'
        - $ref: '#/components/parameters/select'
        - $ref: '#/components/parameters/expand'
        - $ref: '#/components/parameters/inlinecount'
      responses:
        '200':
          description: Successfully retrieved debit memo requests
          content:
            application/json:
              schema:
                type: object
                properties:
                  d:
                    type: object
                    properties:
                      results:
                        type: array
                        items:
                          $ref: '#/components/schemas/DebitMemoRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '500':
          $ref: '#/components/responses/InternalServerError'
    post:
      operationId: createDebitMemoRequest
      summary: Create a new debit memo request
      description: >-
        Creates a new debit memo request with deep insert support for items,
        partners, and pricing elements.
      tags:
        - Debit Memo Request
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/DebitMemoRequestCreate'
      responses:
        '201':
          description: Debit memo request successfully created
          content:
            application/json:
              schema:
                type: object
                properties:
                  d:
                    $ref: '#/components/schemas/DebitMemoRequest'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '500':
          $ref: '#/components/responses/InternalServerError'
  /A_DebitMemoRequest('{DebitMemoRequest}'):
    get:
      operationId: getDebitMemoRequest
      summary: Retrieve a single debit memo request
      description: >-
        Returns a single debit memo request by its document number.
      tags:
        - Debit Memo Request
      parameters:
        - name: DebitMemoRequest
          in: path
          required: true
          description: Debit memo request number (10 characters)
          schema:
            type: string
            maxLength: 10
        - $ref: '#/components/parameters/select'
        - $ref: '#/components/parameters/expand'
      responses:
        '200':
          description: Successfully retrieved the debit memo request
          content:
            application/json:
              schema:
                type: object
                properties:
                  d:
                    $ref: '#/components/schemas/DebitMemoRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
        '500':
          $ref: '#/components/responses/InternalServerError'
    patch:
      operationId: updateDebitMemoRequest
      summary: Update a debit memo request
      description: >-
        Updates an existing debit memo request header.
      tags:
        - Debit Memo Request
      parameters:
        - name: DebitMemoRequest
          in: path
          required: true
          description: Debit memo request number
          schema:
            type: string
            maxLength: 10
        - $ref: '#/components/parameters/ifMatch'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/DebitMemoRequestUpdate'
      responses:
        '204':
          description: Debit memo request successfully updated
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
        '500':
          $ref: '#/components/responses/InternalServerError'
    delete:
      operationId: deleteDebitMemoRequest
      summary: Delete a debit memo request
      description: >-
        Deletes an existing debit memo request.
      tags:
        - Debit Memo Request
      parameters:
        - name: DebitMemoRequest
          in: path
          required: true
          description: Debit memo request number
          schema:
            type: string
            maxLength: 10
        - $ref: '#/components/parameters/ifMatch'
      responses:
        '204':
          description: Debit memo request successfully deleted
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
        '500':
          $ref: '#/components/responses/InternalServerError'
  /A_DebitMemoRequest('{DebitMemoRequest}')/to_Item:
    get:
      operationId: listDebitMemoRequestItems
      summary: Retrieve items for a debit memo request
      description: >-
        Returns a collection of line items for the specified debit memo request.
      tags:
        - Debit Memo Request Item
      parameters:
        - name: DebitMemoRequest
          in: path
          required: true
          description: Debit memo request number
          schema:
            type: string
            maxLength: 10
        - $ref: '#/components/parameters/top'
        - $ref: '#/components/parameters/skip'
        - $ref: '#/components/parameters/select'
      responses:
        '200':
          description: Successfully retrieved items
          content:
            application/json:
              schema:
                type: object
                properties:
                  d:
                    type: object
                    properties:
                      results:
                        type: array
                        items:
                          $ref: '#/components/schemas/DebitMemoRequestItem'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
        '500':
          $ref: '#/components/responses/InternalServerError'
components:
  securitySchemes:
    basicAuth:
      type: http
      scheme: basic
    oauth2:
      type: oauth2
      flows:
        clientCredentials:
          tokenUrl: https://{tenant}.authentication.{landscape}.hana.ondemand.com/oauth/token
          scopes:
            API_DEBIT_MEMO_REQUEST_SRV: Access to Debit Memo Request API
  parameters:
    top:
      name: $top
      in: query
      schema:
        type: integer
        minimum: 0
    skip:
      name: $skip
      in: query
      schema:
        type: integer
        minimum: 0
    filter:
      name: $filter
      in: query
      schema:
        type: string
    orderby:
      name: $orderby
      in: query
      schema:
        type: string
    select:
      name: $select
      in: query
      schema:
        type: string
    expand:
      name: $expand
      in: query
      schema:
        type: string
    inlinecount:
      name: $inlinecount
      in: query
      schema:
        type: string
        enum:
          - allpages
          - none
    ifMatch:
      name: If-Match
      in: header
      required: true
      schema:
        type: string
  schemas:
    DebitMemoRequest:
      type: object
      description: Debit memo request header entity (A_DebitMemoRequest)
      properties:
        DebitMemoRequest:
          type: string
          maxLength: 10
          description: Debit memo request number
        DebitMemoRequestType:
          type: string
          maxLength: 4
          description: Sales document type
        SalesOrganization:
          type: string
          maxLength: 4
          description: Sales organization
        DistributionChannel:
          type: string
          maxLength: 2
          description: Distribution channel
        OrganizationDivision:
          type: string
          maxLength: 2
          description: Division
        SoldToParty:
          type: string
          maxLength: 10
          description: Sold-to party
        CreationDate:
          type: string
          format: date
          description: Creation date
        DebitMemoRequestDate:
          type: string
          format: date
          description: Document date
        BillingDocumentDate:
          type: string
          format: date
          description: Billing date
        TotalNetAmount:
          type: string
          description: Net value in document currency
        TransactionCurrency:
          type: string
          maxLength: 5
          description: Document currency
        SDDocumentReason:
          type: string
          maxLength: 3
          description: Order reason
        PurchaseOrderByCustomer:
          type: string
          maxLength: 35
          description: Customer purchase order number
        CustomerPaymentTerms:
          type: string
          maxLength: 4
          description: Payment terms
        HeaderBillingBlockReason:
          type: string
          maxLength: 2
          description: Billing block
        OverallSDProcessStatus:
          type: string
          maxLength: 1
          description: Overall processing status
        OverallBillingStatus:
          type: string
          maxLength: 1
          description: Billing status
    DebitMemoRequestCreate:
      type: object
      required:
        - DebitMemoRequestType
        - SalesOrganization
        - DistributionChannel
        - OrganizationDivision
      properties:
        DebitMemoRequestType:
          type: string
          maxLength: 4
        SalesOrganization:
          type: string
          maxLength: 4
        DistributionChannel:
          type: string
          maxLength: 2
        OrganizationDivision:
          type: string
          maxLength: 2
        SoldToParty:
          type: string
          maxLength: 10
        DebitMemoRequestDate:
          type: string
          format: date
        SDDocumentReason:
          type: string
          maxLength: 3
        to_Item:
          type: object
          properties:
            results:
              type: array
              items:
                $ref: '#/components/schemas/DebitMemoRequestItemCreate'
    DebitMemoRequestUpdate:
      type: object
      properties:
        PurchaseOrderByCustomer:
          type: string
          maxLength: 35
        HeaderBillingBlockReason:
          type: string
          maxLength: 2
        BillingDocumentDate:
          type: string
          format: date
    DebitMemoRequestItem:
      type: object
      description: Debit memo request item entity (A_DebitMemoReqItem)
      properties:
        DebitMemoRequest:
          type: string
          maxLength: 10
          description: Debit memo request number
        DebitMemoRequestItem:
          type: string
          maxLength: 6
          description: Item number
        DebitMemoRequestItemCategory:
          type: string
          maxLength: 4
          description: Item category
        Material:
          type: string
          maxLength: 40
          description: Material number
        RequestedQuantity:
          type: string
          description: Order quantity
        RequestedQuantityUnit:
          type: string
          maxLength: 3
          description: Sales unit
        NetAmount:
          type: string
          description: Net value of the item
        TransactionCurrency:
          type: string
          maxLength: 5
          description: Document currency
        SalesDocument:
          type: string
          maxLength: 10
          description: Reference sales document
        SalesDocumentItem:
          type: string
          maxLength: 6
          description: Reference sales document item
        Plant:
          type: string
          maxLength: 4
          description: Plant
    DebitMemoRequestItemCreate:
      type: object
      properties:
        Material:
          type: string
          maxLength: 40
        RequestedQuantity:
          type: string
        RequestedQuantityUnit:
          type: string
          maxLength: 3
        SalesDocument:
          type: string
          maxLength: 10
        SalesDocumentItem:
          type: string
          maxLength: 6
    Error:
      type: object
      properties:
        error:
          type: object
          properties:
            code:
              type: string
            message:
              type: object
              properties:
                lang:
                  type: string
                value:
                  type: string
  responses:
    BadRequest:
      description: Bad request
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Unauthorized:
      description: Authentication required
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    NotFound:
      description: Resource not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    InternalServerError:
      description: Internal server error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'