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SAP Ariba Purchase Order Line Items API

Manage individual line items within purchase orders including quantities, pricing, delivery schedules, and accounting assignments.

SAP Ariba Purchase Order Line Items API is one of 78 APIs that SAP Ariba publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

This API exposes 1 JSON Schema definition.

Tagged areas include Purchase Order Line Items. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, a JSON-LD context, authentication docs, and 1 JSON Schema.

This API exposes 2 operations across 2 paths, and defines 9 schemas. It is described by OpenAPI 3.1.0, at version 1.0.0.

Requests are made against 2 base URLs: https://openapi.ariba.com/api/procurement/v1, https://sandbox.ariba.com/api/procurement/v1.

2 operations 2 paths 9 schemas 2 GET

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.1.0
API Version
1.0.0
Base URL
https://openapi.ariba.com/api/procurement
Authentication
OAuth 2.0
Terms of Service
Resource Areas
1

Authentication & Security 1

SAP Ariba Purchase Order Line Items API declares 1 security scheme for authenticating requests. It supports OAuth 2.0 (oauth2) using the clientCredentials flow. By default, every request must be authenticated.

  • oauth2 — OAuth 2.0 Client Credentials flow for SAP Ariba API authentication. Obtain client credentials from the SAP Ariba Developer Portal.

Paths & Operations 2

Across 2 paths, the API surfaces 2 operations — 2 GET. Each is listed below with its method, path, parameters, and response codes.

Purchase Order Line Items 2

Manage individual line items within purchase orders including quantities, pricing, delivery schedules, and accounting assignments.

GET
/orders/{orderId}/lineItems
List Line Items for a Purchase Order
listPurchaseOrderLineItems 4 params → 200401403404429500
GET
/orders/{orderId}/lineItems/{lineItemNumber}
Get a Specific Line Item
getPurchaseOrderLineItem 3 params → 200401403404429500

Schemas 9

The contract defines 9 schemas that model the data the API accepts and returns. The most detailed are PurchaseOrderLineItem (23 properties), AccountingInfo (9 properties), Address (8 properties), TaxDetail (6 properties). Each schema is shown below with its type and property counts.

PurchaseOrderLineItem
object
A line item within a purchase order representing a specific good or service being procured
23 properties 5 required
AccountingInfo
object
Accounting assignment information for cost allocation on purchase order line items
9 properties
Money
object
Monetary amount with currency code following ISO 4217
2 properties 2 required
LineItemListResponse
object
Paginated list of purchase order line items
4 properties
Address
object
Postal address structure used for shipping, billing, and company addresses
8 properties
UnitOfMeasure
object
Unit of measure specification following UN/ECE Recommendation 20 standard codes
2 properties 1 required
TaxDetail
object
Tax calculation details for an invoice or line item
6 properties
ErrorResponse
object
Standard error response structure
1 property 1 required
CommodityCode
object
UNSPSC commodity classification code
3 properties 1 required

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

sap-ariba-purchase-order-line-items-api-openapi.yml Raw ↑

Other APIs SAP Ariba publishes across the network.

Ariba Network Purchase Orders Buyer API
Ariba Network Purchase Orders Supplier API
Ariba Network Supplier Profile API
Ariba Network Invoice Header Data Extraction API
SAP Ariba Contract Compliance API
SAP Ariba Supplier Data API
SAP Ariba Supplier Data API with Pagination
SAP Ariba Supplier Data Extraction API
SAP Ariba Supplier Information API
SAP Ariba Supplier Invite API
SAP Ariba Risk Exposure API
SAP Ariba Supplier Risk Engagements API
Where this information came from

This is an independent, third-party profile of SAP Ariba Purchase Order Line Items API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

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