> ## Documentation Index
> Fetch the complete documentation index at: https://docs.mercurjs.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Retrieve Product Attribute

> Retrieve a product attribute by its ID.

Returns a single attribute definition with its values and category assignments.

## Path parameters

<ParamField path="id" type="string" required>
  The attribute's ID.
</ParamField>

## Query parameters

<ParamField query="fields" type="string">
  Comma-separated fields to include in the response. Prefix with `+`/`-` to add to or remove from the defaults.
</ParamField>

## Response

<ResponseField name="product_attribute" type="object">
  <Expandable title="properties">
    <ResponseField name="id" type="string">The attribute's ID.</ResponseField>
    <ResponseField name="name" type="string">The attribute's name.</ResponseField>
    <ResponseField name="handle" type="string">The attribute's handle.</ResponseField>
    <ResponseField name="description" type="string">The attribute's description.</ResponseField>
    <ResponseField name="type" type="string">One of `single_select`, `multi_select`, `unit`, `toggle`, `text`.</ResponseField>
    <ResponseField name="is_required" type="boolean">Whether a value is required on products.</ResponseField>
    <ResponseField name="is_filterable" type="boolean">Whether the attribute can be used for filtering.</ResponseField>
    <ResponseField name="is_variant_axis" type="boolean">Whether the attribute drives variant combinations.</ResponseField>
    <ResponseField name="is_active" type="boolean">Whether the attribute is active.</ResponseField>
    <ResponseField name="rank" type="number">Sort rank of the attribute.</ResponseField>
    <ResponseField name="metadata" type="object">Custom key-value pairs.</ResponseField>
    <ResponseField name="values" type="object[]">The attribute's values with `id`, `name`, `handle`, and `rank`.</ResponseField>
    <ResponseField name="categories" type="object[]">Assigned categories with `id`, `name`, and `handle`.</ResponseField>
  </Expandable>
</ResponseField>

<RequestExample>
  ```bash cURL theme={null}
  curl 'http://localhost:9000/vendor/product-attributes/pattr_01HXYZ' \
    -H 'Authorization: Bearer <token>' \
    -H 'x-seller-id: <seller_id>'
  ```

  ```ts JS Client theme={null}
  const { product_attribute } = await client.vendor.productAttributes.$id.query({
    $id: "pattr_01HXYZ",
  })
  ```
</RequestExample>

<ResponseExample>
  ```json 200 theme={null}
  {
    "product_attribute": {
      "id": "pattr_01HXYZ",
      "name": "Color",
      "handle": "color",
      "type": "multi_select",
      "is_variant_axis": true,
      "values": [
        { "id": "pattrval_01HXYZ", "name": "Red", "rank": 0 },
        { "id": "pattrval_01HABC", "name": "Blue", "rank": 1 }
      ]
    }
  }
  ```
</ResponseExample>