# Add Pool Item

**POST** `/v1/bundles/:listing_id/pool`

Adds a listing to the mix & match pool. Requires admin or bundle owner access.

Sellers can only add their own listings to the pool.

### Path parameters

| Field | Type | Description |
|---|---|---|
| `listing_id` | integer | ID of the mix & match bundle listing |

### Request fields

| Field | Type | Required | Description |
|---|---|---|---|
| `component_listing_id` | integer | Yes | ID of the listing to add to the pool |
| `order_by` | integer | No | Display sort order (default 0) |

### Response fields

**item** — The created pool item object.
