---
title: "Changes to Update a purchase order"
method: PUT
path: "/api/purchase-orders/{purchaseOrderId}"
---

# Changes to Update a purchase order

`PUT /api/purchase-orders/{purchaseOrderId}`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 1 of 12 revisions.

- **2026-08-14** `c4b2ba5fc270` — 4 breaking

## Changes

- **2026-08-14** `c4b2ba5fc270` — 4 breaking
  - the response property `contactId` became nullable for the status `200` (media type: application/json)
  - the response property `contactId` became nullable for the status `200` (media type: application/problem+json)
  - the response property `contactId` became optional for the status `200` (media type: application/json)
  - the response property `contactId` became optional for the status `200` (media type: application/problem+json)

---

[Operation](https://skmtc.dev/fulcrumpro/apis/fulcrum-publicapi/docs/api/purchase-orders/:purchaseOrderId/put.md) · [API](https://skmtc.dev/fulcrumpro/apis/fulcrum-publicapi.md) · [Page](https://skmtc.dev/fulcrumpro/apis/fulcrum-publicapi/changes/api/purchase-orders/:purchaseOrderId/put)