SAP Business One

SAP Business One Service Layer API

RESTful OData v4 API for SAP Business One on HANA exposing nearly all business objects (business partners, items, orders, invoices, journal entries, inventory, production) for POST/GET/PATCH/DELETE operations. Authentication is session-based via POST /Login returning a B1SESSION cookie scoped to a specific company database.

GitHub

Documentation

📖
Documentation
https://help.sap.com/doc/056f69366b5345a386bb8149f1700c19/10.0/en-US/Service%20Layer%20API%20Reference.html
📖
GettingStarted
https://learning.sap.com/courses/leveraging-the-sap-business-one-service-layer/introducing-service-layer-api-terms-and-documentation

Other Resources

🔗
Reference
https://sap.highwaytwo.com/
🔗
APIsJSON
https://raw.githubusercontent.com/api-evangelist/sap-business-one/refs/heads/main/apis.yml

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API entry from apis.yml

apis.yml Raw ↑ 
aid: sap-business-one:service-layer
name: SAP Business One Service Layer API
description: RESTful OData v4 API for SAP Business One on HANA exposing nearly all business objects (business
  partners, items, orders, invoices, journal entries, inventory, production) for POST/GET/PATCH/DELETE
  operations. Authentication is session-based via POST /Login returning a B1SESSION cookie scoped to a
  specific company database.
humanURL: https://help.sap.com/doc/056f69366b5345a386bb8149f1700c19/10.0/en-US/Service%20Layer%20API%20Reference.html
baseURL: https://<load-balancer>:50000/b1s/v2
tags:
- ERP
- OData
- REST
- Service Layer
- Business Objects
properties:
- type: Documentation
  url: https://help.sap.com/doc/056f69366b5345a386bb8149f1700c19/10.0/en-US/Service%20Layer%20API%20Reference.html
- type: GettingStarted
  url: https://learning.sap.com/courses/leveraging-the-sap-business-one-service-layer/introducing-service-layer-api-terms-and-documentation
- type: Reference
  url: https://sap.highwaytwo.com/