---
title: "List Extensions"
method: GET
path: "/v1/postgres/{postgres_cluster_id}/databases/{database_name}/extensions"
tags: ["Postgres Clusters"]
---

# List Extensions

`GET /v1/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

## Changes

- **2026-08-12** `f54480c4ce7f` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/machines/apis/machines-api/changes/v1/postgres/:postgres_cluster_id/databases/:database_name/extensions/get.md)

---

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