## List R2 catalogs

`client.r2DataCatalog.list(R2DataCatalogListParamsparams, RequestOptionsoptions?): R2DataCatalogListResponse`

**get** `/accounts/{account_id}/r2-catalog`

Returns a list of R2 buckets that have been enabled as Apache Iceberg catalogs
for the specified account. Each catalog represents an R2 bucket configured
to store Iceberg metadata and data files.

### Parameters

- `params: R2DataCatalogListParams`

  - `account_id: string`

    Use this to identify the account.

### Returns

- `R2DataCatalogListResponse`

  Contains the list of catalogs.

  - `warehouses: Array<Warehouse>`

    Lists catalogs in the account.

    - `id: string`

      Use this to uniquely identify the catalog.

    - `bucket: string`

      Specifies the associated R2 bucket name.

    - `name: string`

      Specifies the catalog name (generated from account and bucket name).

    - `status: "active" | "inactive"`

      Indicates the status of the catalog.

      - `"active"`

      - `"inactive"`

    - `credential_status?: "present" | "absent" | null`

      Shows the credential configuration status.

      - `"present"`

      - `"absent"`

    - `maintenance_config?: MaintenanceConfig | null`

      Configures maintenance for the catalog.

      - `compaction?: Compaction`

        Configures compaction for catalog maintenance.

        - `state: "enabled" | "disabled"`

          Specifies the state of maintenance operations.

          - `"enabled"`

          - `"disabled"`

        - `target_size_mb: "64" | "128" | "256" | "512"`

          Sets the target file size for compaction in megabytes. Defaults to "128".

          - `"64"`

          - `"128"`

          - `"256"`

          - `"512"`

      - `snapshot_expiration?: SnapshotExpiration`

        Configures snapshot expiration settings.

        - `max_snapshot_age: string`

          Specifies the maximum age for snapshots. The system deletes snapshots older than this age.
          Format: <number><unit> where unit is d (days), h (hours), m (minutes), or s (seconds).
          Examples: "7d" (7 days), "48h" (48 hours), "2880m" (2,880 minutes).
          Defaults to "7d".

        - `min_snapshots_to_keep: number`

          Specifies the minimum number of snapshots to retain. Defaults to 100.

        - `state: "enabled" | "disabled"`

          Specifies the state of maintenance operations.

          - `"enabled"`

          - `"disabled"`

### Example

```node
import Cloudflare from 'cloudflare';

const client = new Cloudflare({
  apiToken: process.env['CLOUDFLARE_API_TOKEN'], // This is the default and can be omitted
});

const r2DataCatalogs = await client.r2DataCatalog.list({
  account_id: '0123456789abcdef0123456789abcdef',
});

console.log(r2DataCatalogs.warehouses);
```

#### Response

```json
{
  "errors": [],
  "messages": [],
  "result": {
    "warehouses": [
      {
        "bucket": "analytics-bucket",
        "id": "550e8400-e29b-41d4-a716-446655440000",
        "maintenance_config": {
          "compaction": {
            "state": "enabled",
            "target_size_mb": "128"
          },
          "snapshot_expiration": {
            "max_snapshot_age": "7d",
            "min_snapshots_to_keep": 100,
            "state": "enabled"
          }
        },
        "name": "account123_analytics-bucket",
        "status": "active"
      },
      {
        "bucket": "logs-bucket",
        "id": "6ba7b810-9dad-11d1-80b4-00c04fd430c8",
        "maintenance_config": {
          "compaction": {
            "state": "disabled",
            "target_size_mb": "128"
          },
          "snapshot_expiration": {
            "max_snapshot_age": "7d",
            "min_snapshots_to_keep": 100,
            "state": "disabled"
          }
        },
        "name": "account123_logs-bucket",
        "status": "inactive"
      }
    ]
  },
  "success": true
}
```