# List Extensions (/postgres-clusters/Postgres_extensions_list)

List all extensions available within a specific database, indicating which are installed.

`GET /v1/postgres/{postgres_cluster_id}/databases/{database_name}/extensions`

## Parameters

| Name | In | Type | Required | Description |
| --- | --- | --- | --- | --- |
| `postgres_cluster_id` | path | `string` | Yes | Managed Postgres Cluster ID |
| `database_name` | path | `string` | Yes | Database Name |

## Responses

| Status | Description | Schema |
| --- | --- | --- |
| `200` | OK | `listPostgresExtensionsResponse` |
| `400` | Database name is malformed | `PostgresErrorResponse` |
| `404` | Cluster not found | `PostgresErrorResponse` |

The full machine-readable OpenAPI spec is available at /openapi.json.