**Version: 202601**

# Count metafield by definition

**GET** `/openapi/2026-01/metafield_definition/:owner_resource/count`

Retrieve the count of metafields by definition IDs.

## Request

**Path Parameters**

- `owner_resource` string (required)

  Resource type the metafield definitions are attached to:

  *   `shop`: Shop
  *   `product`: Product
  *   `product_image`: Product image
  *   `product_variant`: Product variant
  *   `order`: Order
  *   `page`: Custom page
  *   `customer`: Customer
  *   `collection`: Collection
  *   `blog`: Blog
  *   `article`: Article
  *   `app`: App

**Query Parameters**

- `definition_ids` uint64[]

  Array of metafield definition IDs to count. Example: ?definition\_ids=1001&definition\_ids=1002

## Responses

**200**

OK

**application/json**

**Schema | Example**

**Schema**

- `code` string

  error code
- `message` string

  error message
- `data` object

  - `items` object[]

    Number of metafields grouped by metafield definition ID

    *   Array \[

    - `metafield_count` int32

      Number of metafields associated with this definition
    - `definition_id` uint64

      The metafield definition ID
    *   \]

```json
{
  "code": "string",
  "message": "string",
  "data": {
    "items": [
      {
        "metafield_count": 0,
        "definition_id": 0
      }
    ]
  }
}
```