SAP
SAP Business One Service Layer API

RESTful API for accessing SAP Business One data and business logic.
Documentation GitHub OpenAPI
OpenAPI Specification

openapi: 3.1.0
info:
  title: SAP Business One Service Layer API
  description: >-
    RESTful API for accessing SAP Business One data and business logic. Provides
    CRUD operations on business objects such as orders, business partners,
    items, and financial documents through OData-compatible endpoints.
  version: '1.0'
  contact:
    name: SAP Support
    url: https://support.sap.com/
  termsOfService: https://www.sap.com/about/legal/terms-of-use.html
externalDocs:
  description: SAP Business One Service Layer Documentation
  url: https://help.sap.com/docs/SAP_BUSINESS_ONE_SERVICE_LAYER
servers:
- url: https://{server}:50000/b1s/v1
  description: SAP Business One Service Layer Server
  variables:
    server:
      description: The hostname of your SAP Business One server
      default: localhost
tags:
- name: Authentication
  description: Login and session management
- name: Business Partners
  description: Manage customers, vendors, and leads
- name: Invoices
  description: AR and AP invoice management
- name: Items
  description: Product and item master data management
- name: Journal Entries
  description: Financial journal entries and postings
- name: Orders
  description: Sales orders, purchase orders, and delivery management
security:
- sessionCookie: []
paths:
  /Login:
    post:
      operationId: login
      summary: Sap Authenticate and Create a Session
      description: >-
        Authenticates a user against SAP Business One and returns a session
        cookie for subsequent API calls.
      tags:
      - Authentication
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/LoginRequest'
            examples:
              LoginRequestExample:
                summary: Default login request
                x-microcks-default: true
                value:
                  CompanyDB: example_value
                  UserName: example_value
                  Password: example_value
      responses:
        '200':
          description: Successfully authenticated
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LoginResponse'
              examples:
                Login200Example:
                  summary: Default login 200 response
                  x-microcks-default: true
                  value:
                    SessionId: '500123'
                    Version: example_value
                    SessionTimeout: 10
        '401':
          description: Authentication failed
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /Logout:
    post:
      operationId: logout
      summary: Sap End the Current Session
      description: >-
        Terminates the current authenticated session and invalidates the
        session cookie.
      tags:
      - Authentication
      responses:
        '204':
          description: Successfully logged out
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /BusinessPartners:
    get:
      operationId: listBusinessPartners
      summary: Sap List Business Partners
      description: >-
        Retrieves a list of business partners including customers, vendors,
        and leads with support for OData query options.
      tags:
      - Business Partners
      parameters:
      - $ref: '#/components/parameters/Select'
      - $ref: '#/components/parameters/Filter'
      - $ref: '#/components/parameters/OrderBy'
      - $ref: '#/components/parameters/Top'
      - $ref: '#/components/parameters/Skip'
      responses:
        '200':
          description: List of business partners
          content:
            application/json:
              schema:
                type: object
                properties:
                  value:
                    type: array
                    items:
                      $ref: '#/components/schemas/BusinessPartner'
              examples:
                Listbusinesspartners200Example:
                  summary: Default listBusinessPartners 200 response
                  x-microcks-default: true
                  value:
                    value:
                    - CardCode: example_value
                      CardName: example_value
                      CardType: cCustomer
                      GroupCode: 10
                      Phone1: example_value
                      EmailAddress: [email protected]
                      FederalTaxID: '500123'
                      Currency: example_value
                      Valid: tYES
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
    post:
      operationId: createBusinessPartner
      summary: Sap Create a Business Partner
      description: >-
        Creates a new business partner record in SAP Business One.
      tags:
      - Business Partners
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/BusinessPartner'
            examples:
              CreatebusinesspartnerRequestExample:
                summary: Default createBusinessPartner request
                x-microcks-default: true
                value:
                  CardCode: example_value
                  CardName: example_value
                  CardType: cCustomer
                  GroupCode: 10
                  Phone1: example_value
                  EmailAddress: [email protected]
                  FederalTaxID: '500123'
                  Currency: example_value
                  Valid: tYES
      responses:
        '201':
          description: Business partner created
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BusinessPartner'
              examples:
                Createbusinesspartner201Example:
                  summary: Default createBusinessPartner 201 response
                  x-microcks-default: true
                  value:
                    CardCode: example_value
                    CardName: example_value
                    CardType: cCustomer
                    GroupCode: 10
                    Phone1: example_value
                    EmailAddress: [email protected]
                    FederalTaxID: '500123'
                    Currency: example_value
                    Valid: tYES
        '400':
          description: Invalid request data
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /BusinessPartners('{CardCode}'):
    get:
      operationId: getBusinessPartner
      summary: Sap Get a Business Partner by Code
      description: >-
        Retrieves a specific business partner by their card code.
      tags:
      - Business Partners
      parameters:
      - name: CardCode
        in: path
        required: true
        description: The unique card code of the business partner
        schema:
          type: string
        example: example_value
      responses:
        '200':
          description: Business partner details
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BusinessPartner'
              examples:
                Getbusinesspartner200Example:
                  summary: Default getBusinessPartner 200 response
                  x-microcks-default: true
                  value:
                    CardCode: example_value
                    CardName: example_value
                    CardType: cCustomer
                    GroupCode: 10
                    Phone1: example_value
                    EmailAddress: [email protected]
                    FederalTaxID: '500123'
                    Currency: example_value
                    Valid: tYES
        '404':
          description: Business partner not found
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
    patch:
      operationId: updateBusinessPartner
      summary: Sap Update a Business Partner
      description: >-
        Updates an existing business partner record with the provided fields.
      tags:
      - Business Partners
      parameters:
      - name: CardCode
        in: path
        required: true
        description: The unique card code of the business partner
        schema:
          type: string
        example: example_value
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/BusinessPartner'
            examples:
              UpdatebusinesspartnerRequestExample:
                summary: Default updateBusinessPartner request
                x-microcks-default: true
                value:
                  CardCode: example_value
                  CardName: example_value
                  CardType: cCustomer
                  GroupCode: 10
                  Phone1: example_value
                  EmailAddress: [email protected]
                  FederalTaxID: '500123'
                  Currency: example_value
                  Valid: tYES
      responses:
        '204':
          description: Business partner updated
        '404':
          description: Business partner not found
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /Orders:
    get:
      operationId: listOrders
      summary: Sap List Sales Orders
      description: >-
        Retrieves a list of sales orders with support for OData query options
        including filtering, sorting, and pagination.
      tags:
      - Orders
      parameters:
      - $ref: '#/components/parameters/Select'
      - $ref: '#/components/parameters/Filter'
      - $ref: '#/components/parameters/OrderBy'
      - $ref: '#/components/parameters/Top'
      - $ref: '#/components/parameters/Skip'
      responses:
        '200':
          description: List of sales orders
          content:
            application/json:
              schema:
                type: object
                properties:
                  value:
                    type: array
                    items:
                      $ref: '#/components/schemas/Order'
              examples:
                Listorders200Example:
                  summary: Default listOrders 200 response
                  x-microcks-default: true
                  value:
                    value:
                    - DocEntry: 10
                      DocNum: 10
                      CardCode: example_value
                      DocDate: '2026-01-15'
                      DocDueDate: '2026-01-15'
                      DocTotal: 42.5
                      DocCurrency: example_value
                      DocumentLines:
                      - {}
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
    post:
      operationId: createOrder
      summary: Sap Create a Sales Order
      description: >-
        Creates a new sales order in SAP Business One with line items.
      tags:
      - Orders
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Order'
            examples:
              CreateorderRequestExample:
                summary: Default createOrder request
                x-microcks-default: true
                value:
                  DocEntry: 10
                  DocNum: 10
                  CardCode: example_value
                  DocDate: '2026-01-15'
                  DocDueDate: '2026-01-15'
                  DocTotal: 42.5
                  DocCurrency: example_value
                  DocumentLines:
                  - ItemCode: example_value
                    Quantity: 42.5
                    UnitPrice: 42.5
                    Currency: example_value
                    WarehouseCode: example_value
                    TaxCode: example_value
      responses:
        '201':
          description: Sales order created
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Order'
              examples:
                Createorder201Example:
                  summary: Default createOrder 201 response
                  x-microcks-default: true
                  value:
                    DocEntry: 10
                    DocNum: 10
                    CardCode: example_value
                    DocDate: '2026-01-15'
                    DocDueDate: '2026-01-15'
                    DocTotal: 42.5
                    DocCurrency: example_value
                    DocumentLines:
                    - ItemCode: example_value
                      Quantity: 42.5
                      UnitPrice: 42.5
                      Currency: example_value
                      WarehouseCode: example_value
                      TaxCode: example_value
        '400':
          description: Invalid order data
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /Items:
    get:
      operationId: listItems
      summary: Sap List Items
      description: >-
        Retrieves the item master data list with support for OData query options.
      tags:
      - Items
      parameters:
      - $ref: '#/components/parameters/Select'
      - $ref: '#/components/parameters/Filter'
      - $ref: '#/components/parameters/Top'
      - $ref: '#/components/parameters/Skip'
      responses:
        '200':
          description: List of items
          content:
            application/json:
              schema:
                type: object
                properties:
                  value:
                    type: array
                    items:
                      $ref: '#/components/schemas/Item'
              examples:
                Listitems200Example:
                  summary: Default listItems 200 response
                  x-microcks-default: true
                  value:
                    value:
                    - ItemCode: example_value
                      ItemName: example_value
                      ItemType: itItems
                      ItemsGroupCode: 10
                      QuantityOnStock: 42.5
                      AvgStdPrice: 42.5
                      SalesUnit: example_value
                      PurchaseUnit: example_value
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /JournalEntries:
    get:
      operationId: listJournalEntries
      summary: Sap List Journal Entries
      description: >-
        Retrieves financial journal entries with support for OData filtering
        and pagination.
      tags:
      - Journal Entries
      parameters:
      - $ref: '#/components/parameters/Select'
      - $ref: '#/components/parameters/Filter'
      - $ref: '#/components/parameters/Top'
      - $ref: '#/components/parameters/Skip'
      responses:
        '200':
          description: List of journal entries
          content:
            application/json:
              schema:
                type: object
                properties:
                  value:
                    type: array
                    items:
                      $ref: '#/components/schemas/JournalEntry'
              examples:
                Listjournalentries200Example:
                  summary: Default listJournalEntries 200 response
                  x-microcks-default: true
                  value:
                    value:
                    - JdtNum: 10
                      ReferenceDate: '2026-01-15'
                      Memo: example_value
                      JournalEntryLines:
                      - {}
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
    post:
      operationId: createJournalEntry
      summary: Sap Create a Journal Entry
      description: >-
        Creates a new financial journal entry with debit and credit lines.
      tags:
      - Journal Entries
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/JournalEntry'
            examples:
              CreatejournalentryRequestExample:
                summary: Default createJournalEntry request
                x-microcks-default: true
                value:
                  JdtNum: 10
                  ReferenceDate: '2026-01-15'
                  Memo: example_value
                  JournalEntryLines:
                  - AccountCode: example_value
                    Debit: 42.5
                    Credit: 42.5
                    ShortName: example_value
                    LineMemo: example_value
      responses:
        '201':
          description: Journal entry created
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/JournalEntry'
              examples:
                Createjournalentry201Example:
                  summary: Default createJournalEntry 201 response
                  x-microcks-default: true
                  value:
                    JdtNum: 10
                    ReferenceDate: '2026-01-15'
                    Memo: example_value
                    JournalEntryLines:
                    - AccountCode: example_value
                      Debit: 42.5
                      Credit: 42.5
                      ShortName: example_value
                      LineMemo: example_value
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /Invoices:
    get:
      operationId: listInvoices
      summary: Sap List Ar Invoices
      description: >-
        Retrieves accounts receivable invoices with OData query support.
      tags:
      - Invoices
      parameters:
      - $ref: '#/components/parameters/Select'
      - $ref: '#/components/parameters/Filter'
      - $ref: '#/components/parameters/Top'
      - $ref: '#/components/parameters/Skip'
      responses:
        '200':
          description: List of invoices
          content:
            application/json:
              schema:
                type: object
                properties:
                  value:
                    type: array
                    items:
                      $ref: '#/components/schemas/Invoice'
              examples:
                Listinvoices200Example:
                  summary: Default listInvoices 200 response
                  x-microcks-default: true
                  value:
                    value:
                    - DocEntry: 10
                      DocNum: 10
                      CardCode: example_value
                      DocDate: '2026-01-15'
                      DocDueDate: '2026-01-15'
                      DocTotal: 42.5
                      DocumentLines:
                      - {}
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
    post:
      operationId: createInvoice
      summary: Sap Create an Ar Invoice
      description: >-
        Creates a new accounts receivable invoice with line items.
      tags:
      - Invoices
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Invoice'
            examples:
              CreateinvoiceRequestExample:
                summary: Default createInvoice request
                x-microcks-default: true
                value:
                  DocEntry: 10
                  DocNum: 10
                  CardCode: example_value
                  DocDate: '2026-01-15'
                  DocDueDate: '2026-01-15'
                  DocTotal: 42.5
                  DocumentLines:
                  - ItemCode: example_value
                    Quantity: 42.5
                    UnitPrice: 42.5
                    Currency: example_value
                    WarehouseCode: example_value
                    TaxCode: example_value
      responses:
        '201':
          description: Invoice created
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Invoice'
              examples:
                Createinvoice201Example:
                  summary: Default createInvoice 201 response
                  x-microcks-default: true
                  value:
                    DocEntry: 10
                    DocNum: 10
                    CardCode: example_value
                    DocDate: '2026-01-15'
                    DocDueDate: '2026-01-15'
                    DocTotal: 42.5
                    DocumentLines:
                    - ItemCode: example_value
                      Quantity: 42.5
                      UnitPrice: 42.5
                      Currency: example_value
                      WarehouseCode: example_value
                      TaxCode: example_value
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
components:
  securitySchemes:
    sessionCookie:
      type: apiKey
      in: cookie
      name: B1SESSION
      description: Session cookie obtained from the Login endpoint
  parameters:
    Select:
      name: $select
      in: query
      description: Comma-separated list of fields to include in the response
      schema:
        type: string
    Filter:
      name: $filter
      in: query
      description: OData filter expression
      schema:
        type: string
    OrderBy:
      name: $orderby
      in: query
      description: OData ordering expression
      schema:
        type: string
    Top:
      name: $top
      in: query
      description: Maximum number of records to return
      schema:
        type: integer
        minimum: 1
    Skip:
      name: $skip
      in: query
      description: Number of records to skip
      schema:
        type: integer
        minimum: 0
  schemas:
    LoginRequest:
      type: object
      required:
      - CompanyDB
      - UserName
      - Password
      properties:
        CompanyDB:
          type: string
          description: The name of the company database to connect to
          example: example_value
        UserName:
          type: string
          description: The SAP Business One user name
          example: example_value
        Password:
          type: string
          description: The user password
          example: example_value
    LoginResponse:
      type: object
      properties:
        SessionId:
          type: string
          description: The session identifier for subsequent requests
          example: '500123'
        Version:
          type: string
          description: The Service Layer version
          example: example_value
        SessionTimeout:
          type: integer
          description: Session timeout in minutes
          example: 10
    BusinessPartner:
      type: object
      properties:
        CardCode:
          type: string
          description: Unique identifier for the business partner
          maxLength: 15
          example: example_value
        CardName:
          type: string
          description: Name of the business partner
          maxLength: 100
          example: example_value
        CardType:
          type: string
          description: Type of business partner
          enum:
          - cCustomer
          - cSupplier
          - cLid
          example: cCustomer
        GroupCode:
          type: integer
          description: Business partner group code
          example: 10
        Phone1:
          type: string
          description: Primary phone number
          example: example_value
        EmailAddress:
          type: string
          description: Email address
          format: email
          example: [email protected]
        FederalTaxID:
          type: string
          description: Tax identification number
          example: '500123'
        Currency:
          type: string
          description: Default currency code
          example: example_value
        Valid:
          type: string
          description: Whether the business partner is active
          enum:
          - tYES
          - tNO
          example: tYES
    Order:
      type: object
      properties:
        DocEntry:
          type: integer
          description: Unique document entry number
          readOnly: true
          example: 10
        DocNum:
          type: integer
          description: Document number
          example: 10
        CardCode:
          type: string
          description: Business partner code
          example: example_value
        DocDate:
          type: string
          format: date
          description: Document date
          example: '2026-01-15'
        DocDueDate:
          type: string
          format: date
          description: Document due date
          example: '2026-01-15'
        DocTotal:
          type: number
          format: double
          description: Total document amount
          readOnly: true
          example: 42.5
        DocCurrency:
          type: string
          description: Document currency
          example: example_value
        DocumentLines:
          type: array
          description: Order line items
          items:
            $ref: '#/components/schemas/DocumentLine'
          example: []
    DocumentLine:
      type: object
      properties:
        ItemCode:
          type: string
          description: Item code
          example: example_value
        Quantity:
          type: number
          format: double
          description: Ordered quantity
          example: 42.5
        UnitPrice:
          type: number
          format: double
          description: Price per unit
          example: 42.5
        Currency:
          type: string
          description: Line currency
          example: example_value
        WarehouseCode:
          type: string
          description: Warehouse code for the line item
          example: example_value
        TaxCode:
          type: string
          description: Tax code applied to the line
          example: example_value
    Item:
      type: object
      properties:
        ItemCode:
          type: string
          description: Unique item code
          maxLength: 50
          example: example_value
        ItemName:
          type: string
          description: Item description
          maxLength: 200
          example: example_value
        ItemType:
          type: string
          description: Item type
          enum:
          - itItems
          - itLabor
          - itTravel
          - itFixedAssets
          example: itItems
        ItemsGroupCode:
          type: integer
          description: Item group code
          example: 10
        QuantityOnStock:
          type: number
          format: double
          description: Current quantity in stock
          readOnly: true
          example: 42.5
        AvgStdPrice:
          type: number
          format: double
          description: Average or standard price
          example: 42.5
        SalesUnit:
          type: string
          description: Default sales unit of measure
          example: example_value
        PurchaseUnit:
          type: string
          description: Default purchase unit of measure
          example: example_value
    JournalEntry:
      type: object
      properties:
        JdtNum:
          type: integer
          description: Journal entry number
          readOnly: true
          example: 10
        ReferenceDate:
          type: string
          format: date
          description: Reference date
          example: '2026-01-15'
        Memo:
          type: string
          description: Remark or memo for the journal entry
          example: example_value
        JournalEntryLines:
          type: array
          description: Debit and credit lines
          items:
            $ref: '#/components/schemas/JournalEntryLine'
          example: []
    JournalEntryLine:
      type: object
      properties:
        AccountCode:
          type: string
          description: General ledger account code
          example: example_value
        Debit:
          type: number
          format: double
          description: Debit amount in local currency
          example: 42.5
        Credit:
          type: number
          format: double
          description: Credit amount in local currency
          example: 42.5
        ShortName:
          type: string
          description: Short name or business partner code
          example: example_value
        LineMemo:
          type: string
          description: Memo for this line
          example: example_value
    Invoice:
      type: object
      properties:
        DocEntry:
          type: integer
          description: Unique document entry number
          readOnly: true
          example: 10
        DocNum:
          type: integer
          description: Document number
          example: 10
        CardCode:
          type: string
          description: Customer business partner code
          example: example_value
        DocDate:
          type: string
          format: date
          description: Invoice date
          example: '2026-01-15'
        DocDueDate:
          type: string
          format: date
          description: Payment due date
          example: '2026-01-15'
        DocTotal:
          type: number
          format: double
          description: Total invoice amount
          readOnly: true
          example: 42.5
        DocumentLines:
          type: array
          description: Invoice line items
          items:
            $ref: '#/components/schemas/DocumentLine'
          example: []
SAP Business One Service Layer API

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OpenAPI Specification
