---
title: "List Extensions"
method: GET
path: "/postgres/{postgres_cluster_id}/databases/{database_name}/extensions"
tags: ["Postgres Clusters"]
---

# List Extensions

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

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

## Path parameters

- `postgres_cluster_id` string, required
- `database_name` string, required

## Response `200`

OK

- ListPostgresExtensionsResponse
  - `data` PostgresExtension[]
    - `default_version` string — Default version installed when enabled.
    - `description` string — Human-readable description.
    - `installed` PostgresInstalledExtension
      - `schema` string — Schema the extension is installed into.
      - `version` string — Installed version.
    - `name` string — Extension name.
    - `system` boolean — Whether this is a system extension that cannot be disabled.

## Other responses

- `400` — Database name is malformed
- `404` — Cluster not found

---

[API](https://skmtc.net/machines/apis/machines-api.md) · [All operations](https://skmtc.net/machines/apis/machines-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/machines/machines-api/versions/633ddedda749/schema)