openapi: 3.1.0
info:
  title: SAP Sales and Distribution (SD) SAP Customer Master Data (Business Partner) API
  description: >-
    Manage customer master data including business partner records, addresses,
    contact information, bank details, tax numbers, and customer-specific
    sales area data. This OData service (API_BUSINESS_PARTNER) provides
    access to business partner records used across SAP S/4HANA modules.
    Business partners can be of category Person (1), Organization (2),
    or Group (3).
  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_BUSINESS_PARTNER
    description: SAP S/4HANA Cloud Sandbox
  - url: https://{host}:{port}/sap/opu/odata/sap/API_BUSINESS_PARTNER
    description: SAP S/4HANA On-Premise
    variables:
      host:
        default: localhost
      port:
        default: '443'
security:
  - basicAuth: []
  - oauth2: []
tags:
  - name: Business Partner
    description: Operations on business partner header entity (A_BusinessPartner)
  - name: Business Partner Address
    description: Operations on business partner addresses (A_BusinessPartnerAddress)
  - name: Customer
    description: Operations on customer-specific data (A_Customer)
  - name: Customer Sales Area
    description: Operations on customer sales area data (A_CustomerSalesArea)
paths:
  /A_BusinessPartner:
    get:
      operationId: listBusinessPartners
      summary: Retrieve a list of business partners
      description: >-
        Returns a collection of business partner records. Use OData query options
        to filter by category, name, or other attributes. Supports $expand for
        including addresses, roles, tax numbers, and bank accounts.
      tags:
        - Business Partner
      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 business partners
          content:
            application/json:
              schema:
                type: object
                properties:
                  d:
                    type: object
                    properties:
                      results:
                        type: array
                        items:
                          $ref: '#/components/schemas/BusinessPartner'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '500':
          $ref: '#/components/responses/InternalServerError'
    post:
      operationId: createBusinessPartner
      summary: Create a new business partner
      description: >-
        Creates a new business partner record. Supports deep insert with
        addresses, roles, tax numbers, and bank accounts in a single request.
      tags:
        - Business Partner
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/BusinessPartnerCreate'
      responses:
        '201':
          description: Business partner successfully created
          content:
            application/json:
              schema:
                type: object
                properties:
                  d:
                    $ref: '#/components/schemas/BusinessPartner'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '500':
          $ref: '#/components/responses/InternalServerError'
  /A_BusinessPartner('{BusinessPartner}'):
    get:
      operationId: getBusinessPartner
      summary: Retrieve a single business partner
      description: >-
        Returns a single business partner record by its key. Use $expand to
        include related addresses, roles, tax numbers, and bank accounts.
      tags:
        - Business Partner
      parameters:
        - name: BusinessPartner
          in: path
          required: true
          description: Business partner number (10 characters)
          schema:
            type: string
            maxLength: 10
        - $ref: '#/components/parameters/select'
        - $ref: '#/components/parameters/expand'
      responses:
        '200':
          description: Successfully retrieved the business partner
          content:
            application/json:
              schema:
                type: object
                properties:
                  d:
                    $ref: '#/components/schemas/BusinessPartner'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
        '500':
          $ref: '#/components/responses/InternalServerError'
    patch:
      operationId: updateBusinessPartner
      summary: Update a business partner
      description: >-
        Updates an existing business partner record. Only fields included in
        the request body are modified.
      tags:
        - Business Partner
      parameters:
        - name: BusinessPartner
          in: path
          required: true
          description: Business partner number
          schema:
            type: string
            maxLength: 10
        - $ref: '#/components/parameters/ifMatch'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/BusinessPartnerUpdate'
      responses:
        '204':
          description: Business partner successfully updated
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
        '500':
          $ref: '#/components/responses/InternalServerError'
  /A_BusinessPartner('{BusinessPartner}')/to_BusinessPartnerAddress:
    get:
      operationId: listBusinessPartnerAddresses
      summary: Retrieve addresses for a business partner
      description: >-
        Returns a collection of address records associated with the specified
        business partner.
      tags:
        - Business Partner Address
      parameters:
        - name: BusinessPartner
          in: path
          required: true
          description: Business partner number
          schema:
            type: string
            maxLength: 10
        - $ref: '#/components/parameters/top'
        - $ref: '#/components/parameters/skip'
        - $ref: '#/components/parameters/select'
      responses:
        '200':
          description: Successfully retrieved addresses
          content:
            application/json:
              schema:
                type: object
                properties:
                  d:
                    type: object
                    properties:
                      results:
                        type: array
                        items:
                          $ref: '#/components/schemas/BusinessPartnerAddress'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
        '500':
          $ref: '#/components/responses/InternalServerError'
    post:
      operationId: createBusinessPartnerAddress
      summary: Create an address for a business partner
      description: >-
        Creates a new address record for the specified business partner.
      tags:
        - Business Partner Address
      parameters:
        - name: BusinessPartner
          in: path
          required: true
          description: Business partner number
          schema:
            type: string
            maxLength: 10
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/BusinessPartnerAddressCreate'
      responses:
        '201':
          description: Address successfully created
          content:
            application/json:
              schema:
                type: object
                properties:
                  d:
                    $ref: '#/components/schemas/BusinessPartnerAddress'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '500':
          $ref: '#/components/responses/InternalServerError'
  /A_Customer('{Customer}'):
    get:
      operationId: getCustomer
      summary: Retrieve customer-specific data
      description: >-
        Returns customer-specific data for the specified customer number,
        including payment terms, delivery priority, and account group.
      tags:
        - Customer
      parameters:
        - name: Customer
          in: path
          required: true
          description: Customer number
          schema:
            type: string
            maxLength: 10
        - $ref: '#/components/parameters/select'
        - $ref: '#/components/parameters/expand'
      responses:
        '200':
          description: Successfully retrieved customer data
          content:
            application/json:
              schema:
                type: object
                properties:
                  d:
                    $ref: '#/components/schemas/Customer'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
        '500':
          $ref: '#/components/responses/InternalServerError'
  ? /A_CustomerSalesArea(Customer='{Customer}',SalesOrganization='{SalesOrganization}',DistributionChannel='{DistributionChannel}',Division='{Division}')
  : get:
      operationId: getCustomerSalesArea
      summary: Retrieve customer sales area data
      description: >-
        Returns sales area-specific data for a customer, including pricing,
        shipping, and billing information specific to the sales organization,
        distribution channel, and division.
      tags:
        - Customer Sales Area
      parameters:
        - name: Customer
          in: path
          required: true
          description: Customer number
          schema:
            type: string
            maxLength: 10
        - name: SalesOrganization
          in: path
          required: true
          description: Sales organization
          schema:
            type: string
            maxLength: 4
        - name: DistributionChannel
          in: path
          required: true
          description: Distribution channel
          schema:
            type: string
            maxLength: 2
        - name: Division
          in: path
          required: true
          description: Division
          schema:
            type: string
            maxLength: 2
        - $ref: '#/components/parameters/select'
      responses:
        '200':
          description: Successfully retrieved customer sales area data
          content:
            application/json:
              schema:
                type: object
                properties:
                  d:
                    $ref: '#/components/schemas/CustomerSalesArea'
        '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_BUSINESS_PARTNER: Access to Business Partner API
  parameters:
    top:
      name: $top
      in: query
      description: Maximum number of records to return
      schema:
        type: integer
        minimum: 0
    skip:
      name: $skip
      in: query
      description: Number of records to skip
      schema:
        type: integer
        minimum: 0
    filter:
      name: $filter
      in: query
      description: OData filter expression
      schema:
        type: string
    orderby:
      name: $orderby
      in: query
      description: Sort order for the result set
      schema:
        type: string
    select:
      name: $select
      in: query
      description: Comma-separated list of properties to include
      schema:
        type: string
    expand:
      name: $expand
      in: query
      description: Comma-separated list of navigation properties to expand
      schema:
        type: string
    inlinecount:
      name: $inlinecount
      in: query
      description: Include total count of matching resources
      schema:
        type: string
        enum:
          - allpages
          - none
    ifMatch:
      name: If-Match
      in: header
      description: ETag value for optimistic concurrency control
      required: true
      schema:
        type: string
  schemas:
    BusinessPartner:
      type: object
      description: Business partner header entity (A_BusinessPartner)
      properties:
        BusinessPartner:
          type: string
          maxLength: 10
          description: Business partner number
        BusinessPartnerCategory:
          type: string
          maxLength: 1
          description: 'Business partner category (1=Person, 2=Organization, 3=Group)'
        BusinessPartnerFullName:
          type: string
          maxLength: 81
          description: Full name of the business partner
        BusinessPartnerGrouping:
          type: string
          maxLength: 4
          description: Business partner grouping
        BusinessPartnerName:
          type: string
          maxLength: 81
          description: Business partner name
        FirstName:
          type: string
          maxLength: 40
          description: First name (for person category)
        LastName:
          type: string
          maxLength: 40
          description: Last name (for person category)
        OrganizationBPName1:
          type: string
          maxLength: 40
          description: Organization name line 1
        OrganizationBPName2:
          type: string
          maxLength: 40
          description: Organization name line 2
        SearchTerm1:
          type: string
          maxLength: 20
          description: Search term 1
        SearchTerm2:
          type: string
          maxLength: 20
          description: Search term 2
        BusinessPartnerIsBlocked:
          type: boolean
          description: Central block flag
        Language:
          type: string
          maxLength: 2
          description: Language key
        CreationDate:
          type: string
          format: date
          description: Date when the business partner was created
        LastChangeDate:
          type: string
          format: date
          description: Date of last change
        LastChangedByUser:
          type: string
          maxLength: 12
          description: User who last changed the record
        IsNaturalPerson:
          type: string
          maxLength: 1
          description: Natural person flag
        IsFemale:
          type: boolean
          description: Female indicator
        IsMale:
          type: boolean
          description: Male indicator
        TradingPartner:
          type: string
          maxLength: 6
          description: Trading partner company ID
    BusinessPartnerCreate:
      type: object
      description: Business partner creation payload
      required:
        - BusinessPartnerCategory
      properties:
        BusinessPartnerCategory:
          type: string
          maxLength: 1
          description: 'Business partner category (1=Person, 2=Organization, 3=Group)'
        BusinessPartnerGrouping:
          type: string
          maxLength: 4
        FirstName:
          type: string
          maxLength: 40
        LastName:
          type: string
          maxLength: 40
        OrganizationBPName1:
          type: string
          maxLength: 40
        OrganizationBPName2:
          type: string
          maxLength: 40
        Language:
          type: string
          maxLength: 2
        SearchTerm1:
          type: string
          maxLength: 20
        to_BusinessPartnerAddress:
          type: object
          properties:
            results:
              type: array
              items:
                $ref: '#/components/schemas/BusinessPartnerAddressCreate'
    BusinessPartnerUpdate:
      type: object
      description: Business partner update payload
      properties:
        FirstName:
          type: string
          maxLength: 40
        LastName:
          type: string
          maxLength: 40
        OrganizationBPName1:
          type: string
          maxLength: 40
        OrganizationBPName2:
          type: string
          maxLength: 40
        SearchTerm1:
          type: string
          maxLength: 20
        Language:
          type: string
          maxLength: 2
        BusinessPartnerIsBlocked:
          type: boolean
    BusinessPartnerAddress:
      type: object
      description: Business partner address entity (A_BusinessPartnerAddress)
      properties:
        BusinessPartner:
          type: string
          maxLength: 10
          description: Business partner number
        AddressID:
          type: string
          maxLength: 10
          description: Address number
        StreetName:
          type: string
          maxLength: 60
          description: Street name
        HouseNumber:
          type: string
          maxLength: 10
          description: House number
        PostalCode:
          type: string
          maxLength: 10
          description: Postal code
        CityName:
          type: string
          maxLength: 40
          description: City name
        Region:
          type: string
          maxLength: 3
          description: Region (state, province)
        Country:
          type: string
          maxLength: 3
          description: Country key (ISO 3166)
        Language:
          type: string
          maxLength: 2
          description: Language key
        POBox:
          type: string
          maxLength: 10
          description: PO box number
        POBoxPostalCode:
          type: string
          maxLength: 10
          description: PO box postal code
        CompanyPostalCode:
          type: string
          maxLength: 10
          description: Company postal code
    BusinessPartnerAddressCreate:
      type: object
      description: Business partner address creation payload
      properties:
        StreetName:
          type: string
          maxLength: 60
        HouseNumber:
          type: string
          maxLength: 10
        PostalCode:
          type: string
          maxLength: 10
        CityName:
          type: string
          maxLength: 40
        Region:
          type: string
          maxLength: 3
        Country:
          type: string
          maxLength: 3
        Language:
          type: string
          maxLength: 2
    Customer:
      type: object
      description: Customer entity (A_Customer)
      properties:
        Customer:
          type: string
          maxLength: 10
          description: Customer number
        CustomerAccountGroup:
          type: string
          maxLength: 4
          description: Customer account group
        CustomerName:
          type: string
          maxLength: 80
          description: Customer name
        DeliveryIsBlocked:
          type: string
          maxLength: 2
          description: Delivery block
        OrderIsBlocked:
          type: string
          maxLength: 2
          description: Order block
        PostingIsBlocked:
          type: boolean
          description: Posting block
        CreationDate:
          type: string
          format: date
          description: Customer creation date
        CustomerClassification:
          type: string
          maxLength: 2
          description: Customer classification
        IndustryCode1:
          type: string
          maxLength: 4
          description: Industry key
        NFPartnerIsNaturalPerson:
          type: string
          maxLength: 1
          description: Natural person indicator
    CustomerSalesArea:
      type: object
      description: Customer sales area entity (A_CustomerSalesArea)
      properties:
        Customer:
          type: string
          maxLength: 10
          description: Customer number
        SalesOrganization:
          type: string
          maxLength: 4
          description: Sales organization
        DistributionChannel:
          type: string
          maxLength: 2
          description: Distribution channel
        Division:
          type: string
          maxLength: 2
          description: Division
        CustomerPaymentTerms:
          type: string
          maxLength: 4
          description: Terms of payment key
        DeliveryPriority:
          type: string
          maxLength: 2
          description: Delivery priority
        ShippingCondition:
          type: string
          maxLength: 2
          description: Shipping conditions
        IncotermsClassification:
          type: string
          maxLength: 3
          description: Incoterms (part 1)
        Currency:
          type: string
          maxLength: 5
          description: Currency
        CustomerPricingProcedure:
          type: string
          maxLength: 1
          description: Pricing procedure assigned to the customer
        CustomerAccountAssignmentGroup:
          type: string
          maxLength: 2
          description: Account assignment group for the customer
        CompleteDeliveryIsDefined:
          type: boolean
          description: Complete delivery flag
        PartialDeliveryIsAllowed:
          type: string
          maxLength: 1
          description: Partial delivery at item level
    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'
    Forbidden:
      description: Insufficient authorization
      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'