Approve a PO change order
Procurement module
POST/po-change-orders/{id}/approvepoChangeOrders.approve
Approves a priced, Proposed PO change order through app.decide_po_change_order under spend authority. Its requester cannot approve it; a refusal returns 422 and names the rule. Requires `Idempotency-Key`; a replay returns the original response. A rule that refuses the request returns 422 with `refusal` and `reason`.
- Requires the capability finance.po.approve.
- OAuth scopes: finance.
- Send an Idempotency-Key header. A replay with the same key returns the original response.
- Error statuses: 400, 401, 404, 409, 422, 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: PoChangeOrderApproveRequest
| Field | Type | Required | Description |
|---|---|---|---|
| reason | string | Yes | Why approve the change.Constraints: length 1 to 500 |
{
"reason": "Within budget."
}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 POST "$XOS_BASE_URL/po-change-orders/0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f/approve" \
-H "Authorization: Bearer $XOS_API_KEY" \
-H "Idempotency-Key: $(uuidgen)" \
-H "Content-Type: application/json" \
-d '{"reason":"Within budget."}'const { data } = await xos.poChangeOrders.approve("0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f", {
"reason": "Within budget."
});response = xos.po_change_orders.approve("0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f", {"reason": "Within budget."})xos po-change-orders approve 0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f --data '{"reason":"Within budget."}'