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

# Get Best Selling Brands

> Get Google's best-selling brands by country, category, and weekly or monthly ranking period

Get Google's best-selling brands by country, category, and weekly or monthly ranking period.

|                      |                               |
| -------------------- | ----------------------------- |
| **App**              | Google Merchant Center        |
| **Operation ID**     | `gmc_get_best_selling_brands` |
| **Type**             | Action                        |
| **Connection**       | `gmc` (required)              |
| **Credits per run**  | 1                             |
| **Agent / MCP tool** | Yes                           |

## Inputs

| Field                 | Type                                | Required | Default | Description                                                             |
| --------------------- | ----------------------------------- | -------- | ------- | ----------------------------------------------------------------------- |
| `account`             | DynamicAccount                      | Yes      | -       | Select one Google Merchant Center account                               |
| `fields`              | array of string or SelectableOption | Yes      | -       | Fields to include in the report.                                        |
| `report_granularity`  | enum (`WEEKLY`, `MONTHLY`)          | Yes      | -       | Ranking period returned by Google.                                      |
| `report_country_code` | string                              | Yes      | -       | Two-letter ISO 3166 country code used for the ranking.                  |
| `report_category_id`  | string                              | No       | -       | Optional Google product category ID. Omit for all top-level categories. |
| `report_date`         | string                              | No       | -       | Optional report date. Omit to use Google's latest report.               |
| `limit`               | integer                             | No       | -       | Maximum number of rows to return.                                       |

### SelectableOption

| Field   | Type   | Required | Default | Description |
| ------- | ------ | -------- | ------- | ----------- |
| `value` | string | Yes      | -       |             |
| `label` | string | Yes      | -       |             |

## Output

**Type**: `List[Dict]`

Returns best-selling brand rankings and demand signals.

**Fields**: dynamic (depend on the inputs)