---
title: "Get extension by ID"
method: GET
path: "/api/v1/extensions/{id}"
tags: ["Extensions"]
---

# Get extension by ID

`GET /api/v1/extensions/{id}`

## Request

- Base URL: `http://:8080`
- URL: `http://:8080/api/v1/extensions/{id}`
- Auth: none declared

Get extension by ID.

Auth: Required (bearer token).
Scope: Organization-scoped in authenticated context.
Side effects: Read-only operation.

## Path parameters

- `id` string, required

## Headers

- `Accept` string

## Response `200`

OK

- ExtensionResponse: ExtensionResponse schema
  - `data` object
    - `author` string
    - `category` string
    - `content_hash` string
    - `created_at` string, date-time
    - `deleted_at` string, date-time, nullable
    - `description` string
    - `extension_id` string, uuid
    - `extension_type` string
    - `featured` boolean
    - `icon` string
    - `id` string, uuid
    - `is_verified` boolean
    - `name` string
    - `parent_extension_id` string, uuid
    - `parsed_content` string
    - `updated_at` string, date-time
    - `validation_errors` string
    - `validation_status` string
    - `variables` object[], nullable
      - `created_at` string, date-time
      - `default_value` string: JSON-encoded value
      - `description` string
      - `extension_id` string, uuid
      - `id` string, uuid
      - `is_required` boolean
      - `validation_pattern` string
      - `variable_name` string
      - `variable_type` string
    - `version` string
    - `yaml_content` string
  - `message` string
  - `status` string

## Other responses

- `400`: Bad Request _(validation or deserialization error)_
- `500`: Internal Server Error _(panics)_
- `default`

## Changes

- **2026-04-26** `09f18af670c4`: 3 info
  - api tag `Extensions` added
  - api tag `api/v1/extensions` removed
  - api tag `{id}` removed
- **2026-04-06** `6d5e3b7979d1`: 2 warning
  - removed the optional property `data/variables/items/extension` from the response with the `200` status (media type: application/json)
  - removed the optional property `data/variables/items/extension` from the response with the `200` status (media type: application/xml)
- **2026-04-02** `2beb810c5221`: 24 warning, 13 info
  - removed the optional property `detail` from the response with the `400` status (media type: application/json)
  - removed the optional property `detail` from the response with the `400` status (media type: application/xml)
  - removed the optional property `detail` from the response with the `500` status (media type: application/json)
  - removed the optional property `detail` from the response with the `500` status (media type: application/xml)
  - …33 more
- **2026-03-26** `e34b00e45318`: 8 breaking, 4 warning, 25 info
  - removed the required property `code` from the response with the `400` status (media type: application/json)
  - removed the required property `code` from the response with the `400` status (media type: application/xml)
  - removed the required property `code` from the response with the `500` status (media type: application/json)
  - removed the required property `code` from the response with the `500` status (media type: application/xml)
  - …33 more
- …earlier changes not shown

[Operation history](https://skmtc.dev/nixopus/apis/nixopus-api/changes/api/v1/extensions/:id/get.md)

---

[API](https://skmtc.dev/nixopus/apis/nixopus-api.md) - [All operations](https://skmtc.dev/nixopus/apis/nixopus-api/llms.txt) - [OpenAPI document](https://skmtc.dev/nixopus/apis/nixopus-api/revisions/c5bacaea7239?raw)