Update an asset maintenance
Assets module
PATCH/asset-maintenance/{id}assetMaintenanceEvents.update
A maintenance event for an asset unit. 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 assets.maintenance.write.
- OAuth scopes: assets.
- 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 asset maintenance. |
Request body: AssetMaintenanceUpdate
| Field | Type | Required | Description |
|---|---|---|---|
| performed_on | string (date) | No | When the maintenance was done. |
| description | string | No | What was done.Constraints: length 1 to 20000 |
| cost_minor | integer (int64) | null | No | Maintenance cost. Integer minor units of the resource currency; null means unpriced, never zero. |
| currency_code | string | null | No | ISO 4217 currency code of every money field.Constraints: pattern ^[A-Z]{3}$ |
{
"performed_on": "2026-10-08",
"description": "Replaced the spigots.",
"cost_minor": 12000,
"currency_code": "USD"
}Response 200: AssetMaintenance
| Field | Type | Required | Description |
|---|---|---|---|
| id | string (uuid) | Yes | Identifier of the asset maintenance. |
| 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. |
| asset_unit_id | string (uuid) | Yes | Identifier of the asset unit. |
| performed_on | string (date) | Yes | When the maintenance was done. |
| description | string | Yes | What was done.Constraints: length 1 to 20000 |
| cost_minor | integer (int64) | null | Yes | Maintenance cost. Integer minor units of the resource currency; null means unpriced, never zero. |
| currency_code | string | null | Yes | ISO 4217 currency code of every money field.Constraints: pattern ^[A-Z]{3}$ |
{
"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",
"asset_unit_id": "0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f",
"performed_on": "2026-10-08",
"description": "Replaced the spigots.",
"cost_minor": 12000,
"currency_code": "USD"
}Code samples
curl -X PATCH "$XOS_BASE_URL/asset-maintenance/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 '{"performed_on":"2026-10-08","description":"Replaced the spigots.","cost_minor":12000,"currency_code":"USD"}'const { data, etag } = await xos.assetMaintenanceEvents.update("0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f", {
"performed_on": "2026-10-08",
"description": "Replaced the spigots.",
"cost_minor": 12000,
"currency_code": "USD"
}, { ifMatch: etag });response = xos.asset_maintenance_events.update("0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f", {"performed_on": "2026-10-08", "description": "Replaced the spigots.", "cost_minor": 12000, "currency_code": "USD"}, if_match=etag)xos asset-maintenance-events update 0192f1e2-7c3a-7b4d-9e8f-1a2b3c4d5e6f --data '{"performed_on":"2026-10-08","description":"Replaced the spigots.","cost_minor":12000,"currency_code":"USD"}' --if-match auto