openapi: 3.1.0
info:
  title: SAP Sales and Distribution (SD) SAP Billing Document Product API
  description: Read, cancel, and retrieve billing documents in PDF format from SAP S/4HANA. This OData service (API_BILLING_DOCUMENT_SRV) provides access to billing document headers, items, partners, and pricing elements. Supports invoices, credit memos, debit memos, and other billing document types as part of the order-to-cash cycle.
  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_BILLING_DOCUMENT_SRV
  description: SAP S/4HANA Cloud Sandbox
- url: https://{host}:{port}/sap/opu/odata/sap/API_BILLING_DOCUMENT_SRV
  description: SAP S/4HANA On-Premise
  variables:
    host:
      default: localhost
    port:
      default: '443'
security:
- basicAuth: []
- oauth2: []
tags:
- name: Product
  description: Operations on product/material master header (A_Product)
paths:
  /A_Product:
    get:
      operationId: listProducts
      summary: Retrieve a list of products
      description: Returns a collection of material master records. Use OData query options to filter by material number, material type, material group, and other attributes. Supports $expand for descriptions, plant data, and sales data.
      tags:
      - Product
      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 products
          content:
            application/json:
              schema:
                type: object
                properties:
                  d:
                    type: object
                    properties:
                      results:
                        type: array
                        items:
                          $ref: '#/components/schemas/Product'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '500':
          $ref: '#/components/responses/InternalServerError'
    post:
      operationId: createProduct
      summary: Create a new product
      description: Creates a new material master record with support for deep insert including descriptions, plant data, and sales data.
      tags:
      - Product
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ProductCreate'
      responses:
        '201':
          description: Product successfully created
          content:
            application/json:
              schema:
                type: object
                properties:
                  d:
                    $ref: '#/components/schemas/Product'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '500':
          $ref: '#/components/responses/InternalServerError'
  /A_Product('{Product}'):
    get:
      operationId: getProduct
      summary: Retrieve a single product
      description: Returns a single material master record by its material number.
      tags:
      - Product
      parameters:
      - name: Product
        in: path
        required: true
        description: Material number (40 characters)
        schema:
          type: string
          maxLength: 40
      - $ref: '#/components/parameters/select'
      - $ref: '#/components/parameters/expand'
      responses:
        '200':
          description: Successfully retrieved the product
          content:
            application/json:
              schema:
                type: object
                properties:
                  d:
                    $ref: '#/components/schemas/Product'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
        '500':
          $ref: '#/components/responses/InternalServerError'
    patch:
      operationId: updateProduct
      summary: Update a product
      description: Updates an existing material master record.
      tags:
      - Product
      parameters:
      - name: Product
        in: path
        required: true
        description: Material number
        schema:
          type: string
          maxLength: 40
      - $ref: '#/components/parameters/ifMatch'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ProductUpdate'
      responses:
        '204':
          description: Product successfully updated
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
        '500':
          $ref: '#/components/responses/InternalServerError'
components:
  schemas:
    ProductDescriptionCreate:
      type: object
      properties:
        Language:
          type: string
          maxLength: 2
        ProductDescription:
          type: string
          maxLength: 40
    Product:
      type: object
      description: Product/material master header entity (A_Product)
      properties:
        Product:
          type: string
          maxLength: 40
          description: Material number
        ProductType:
          type: string
          maxLength: 4
          description: Material type
        ProductGroup:
          type: string
          maxLength: 9
          description: Material group
        BaseUnit:
          type: string
          maxLength: 3
          description: Base unit of measure
        GrossWeight:
          type: string
          description: Gross weight
        NetWeight:
          type: string
          description: Net weight
        WeightUnit:
          type: string
          maxLength: 3
          description: Weight unit
        Volume:
          type: string
          description: Volume
        VolumeUnit:
          type: string
          maxLength: 3
          description: Volume unit
        Division:
          type: string
          maxLength: 2
          description: Division
        ProductOldID:
          type: string
          maxLength: 40
          description: Old material number
        IndustryStandardName:
          type: string
          maxLength: 18
          description: EAN/UPC code
        CreationDate:
          type: string
          format: date
          description: Creation date
        LastChangeDate:
          type: string
          format: date
          description: Date of last change
        CreatedByUser:
          type: string
          maxLength: 12
          description: Created by user
        LastChangedByUser:
          type: string
          maxLength: 12
          description: Last changed by user
        IsMarkedForDeletion:
          type: boolean
          description: Deletion flag
        ProductStandardID:
          type: string
          maxLength: 18
          description: Global Trade Item Number (GTIN)
        SizeOrDimensionText:
          type: string
          maxLength: 32
          description: Size/dimensions text
    Error:
      type: object
      properties:
        error:
          type: object
          properties:
            code:
              type: string
            message:
              type: object
              properties:
                lang:
                  type: string
                value:
                  type: string
    ProductUpdate:
      type: object
      description: Product update payload
      properties:
        ProductGroup:
          type: string
          maxLength: 9
        GrossWeight:
          type: string
        NetWeight:
          type: string
        WeightUnit:
          type: string
          maxLength: 3
        IsMarkedForDeletion:
          type: boolean
    ProductCreate:
      type: object
      description: Product creation payload
      required:
      - Product
      - ProductType
      properties:
        Product:
          type: string
          maxLength: 40
        ProductType:
          type: string
          maxLength: 4
        ProductGroup:
          type: string
          maxLength: 9
        BaseUnit:
          type: string
          maxLength: 3
        GrossWeight:
          type: string
        NetWeight:
          type: string
        WeightUnit:
          type: string
          maxLength: 3
        Division:
          type: string
          maxLength: 2
        to_Description:
          type: object
          properties:
            results:
              type: array
              items:
                $ref: '#/components/schemas/ProductDescriptionCreate'
  parameters:
    skip:
      name: $skip
      in: query
      schema:
        type: integer
        minimum: 0
    select:
      name: $select
      in: query
      schema:
        type: string
    orderby:
      name: $orderby
      in: query
      schema:
        type: string
    expand:
      name: $expand
      in: query
      schema:
        type: string
    ifMatch:
      name: If-Match
      in: header
      required: true
      schema:
        type: string
    filter:
      name: $filter
      in: query
      schema:
        type: string
    top:
      name: $top
      in: query
      schema:
        type: integer
        minimum: 0
    inlinecount:
      name: $inlinecount
      in: query
      schema:
        type: string
        enum:
        - allpages
        - none
  responses:
    InternalServerError:
      description: Internal server error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Unauthorized:
      description: Authentication required
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    BadRequest:
      description: Bad request
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    NotFound:
      description: Resource not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  securitySchemes:
    basicAuth:
      type: http
      scheme: basic
    oauth2:
      type: oauth2
      flows:
        clientCredentials:
          tokenUrl: https://{tenant}.authentication.{landscape}.hana.ondemand.com/oauth/token
          scopes:
            API_BILLING_DOCUMENT_SRV: Access to Billing Document API