Update a PO change order
Procurement module
PATCH/po-change-orders/{id}poChangeOrders.update
A change to an issued purchase order. Updates the fields sent; omitted fields are unchanged. Requires `If-Match` with the current `ETag`: a stale tag returns 412 and a missing tag returns 428.
- Requires the capability procurement.po.write.
- OAuth scopes: procurement.
- Send If-Match with the ETag you read. A stale tag returns 412; a missing tag returns 428.
- Error statuses: 400, 401, 404, 412, 422, 428, 429. Errors are RFC 9457 problem details.
Path and query parameters
| Field | Type | Required | Description |
|---|---|---|---|
| id | string (uuid) | Yes | Identifier of the po change order. |
Request body: PoChangeOrderUpdate
| Field | Type | Required | Description |
|---|---|---|---|
| description | string | No | What changes.Constraints: length 1 to 20000 |
| amount_delta_minor | integer (int64) | null | No | Change amount; null when unpriced. Integer minor units of the resource currency; null means unpriced, never zero. |
{
"description": "Add six deck sections.",
"amount_delta_minor": 27000
}Response 200: PoChangeOrder
| Field | Type | Required | Description |
|---|---|---|---|
| id | string (uuid) | Yes | Identifier of the po change order. |
| org_id | string (uuid) | Yes | Identifier of the owning organization, derived from the parent row and never accepted from the caller. |
| created_at | string (date-time) | Yes | When the row was created. |
| created_by | string (uuid) | null | Yes | Identifier of the person who created the row; null when a seed, platform or system process created it. |
| updated_at | string (date-time) | Yes | When the row was last updated. |
| updated_by | string (uuid) | null | Yes | Identifier of the person who last updated the row; null when a seed, platform or system process updated it. |
| purchase_order_id | string (uuid) | Yes | Identifier of the purchase order. |
| description | string | Yes | What changes.Constraints: length 1 to 20000 |
| amount_delta_minor | integer (int64) | null | Yes | Change amount; null when unpriced. Integer minor units of the resource currency; null means unpriced, never zero. |
| po_change_order_state | "Proposed" | "Approved" | "Rejected" | "Canceled" | Yes | PO change order state. |
{
"id": "0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f",
"org_id": "0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f",
"created_at": "2026-10-08T14:30:00Z",
"created_by": "0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f",
"updated_at": "2026-10-08T14:30:00Z",
"updated_by": "0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f",
"purchase_order_id": "0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f",
"description": "Add six deck sections.",
"amount_delta_minor": 27000,
"po_change_order_state": "Proposed"
}Code samples
curl -X PATCH "$XOS_BASE_URL/po-change-orders/0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f" \
-H "Authorization: Bearer $XOS_API_KEY" \
-H 'If-Match: W/"etag-from-your-last-read"' \
-H "Content-Type: application/json" \
-d '{"description":"Add six deck sections.","amount_delta_minor":27000}'const { data, etag } = await xos.poChangeOrders.update("0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f", {
"description": "Add six deck sections.",
"amount_delta_minor": 27000
}, { ifMatch: etag });response = xos.po_change_orders.update("0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f", {"description": "Add six deck sections.", "amount_delta_minor": 27000}, if_match=etag)xos po-change-orders update 0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f --data '{"description":"Add six deck sections.","amount_delta_minor":27000}' --if-match auto