Rockwell Automation

Rockwell Automation Purchase Orders API

The Purchase Orders API is used to retrieve purchase order information, including line items. This API exposes endpoints to retrieve purchase orders and their sub-resources in the context of Purchasing. Use a GET request to retrieve the information about purchase orders, line items related to purchase orders, purchase order types, and statuses.

Documentation GitHub OpenAPI

Business capability

Purchase Order Management BC-500.30

Operations 7

GET /purchasing/v1/purchase-orders/{id}/line-items/{lineItemId} Get Line Item #

GET /purchasing/v1/purchase-orders/{id} Get Purchase Order #

GET /purchasing/v1/purchase-orders/{poId}/line-items List Line Items #

GET /purchasing/v1/purchase-orders/{id}/line-items/{lineItemId}/prices List Purchase Order Prices #

GET /purchasing/v1/purchase-order-statuses List Purchase Order Statuses #

GET /purchasing/v1/purchase-order-types List Purchase Order Types #

GET /purchasing/v1/purchase-orders List Purchase Orders #

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OpenAPI Specification

openapi: 3.2.0
info:
  title: Plex (Rockwell Automation) Connect Purchase Orders API
  version: '2026-10-20'
  description: Plex Smart Manufacturing Platform REST APIs, converted mechanically from the structured operation documents the Plex Developer Portal (developers.plex.com, a Rockwell Automation property) serves at /api/documentation/{api}/{operation}. No operations were authored by hand.
  x-generated-from: provider-documentation-json
  x-source: https://developers.plex.com/api/documentation/info
servers:
- url: https://connect.plex.com
  description: Production
- url: https://test.connect.plex.com
  description: Test (from https://developers.plex.com/api/sandbox/url)
security:
- PlexConnectApiKey: []
tags:


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Rockwell Automation Purchase Orders API

Operations 7

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