---
title: "Fetches an application version"
method: GET
path: "/app/{appId}/version/{version}"
tags: ["app/version"]
---

# Fetches an application version

`GET /app/{appId}/version/{version}`

## Path parameters

- `appId` number, required
- `version` number, required

## Response `200`

Successful operation

- AppVersionWithTools — Application version with its tools
  - `version` object, required
    - `_id` string, required — Document ID
    - `updatedAt` string, date-time, required — Timestamp when this was last modified
    - `createdAt` string, date-time, required — Timestamp when this was created
    - `appId` number, required — Application ID
    - `version` number, required — Version number
    - `enabled` boolean, required — Whether this version is enabled
    - `changes` string, required — Changelog information for this version
  - `tools` object[], required
    - `_id` string, required — Document ID
    - `updatedAt` string, date-time, required — Timestamp when this was last modified
    - `createdAt` string, date-time, required — Timestamp when this was created
    - `appId` number, required — Application ID
    - `appVersion` number, required — Application version
    - `toolPackageName` string, required — Tool package name
    - `toolVersion` string, required — Tool version
    - `hiddenSupportedPolicies` string[], required — Policies that are supported by this tool but are hidden from users of this app specifically

## Other responses

- `404` — Application not found
- `default` — Unexpected error

## Changes

- **2025-06-19** `e514cea423bb` — 5 breaking, 1 warning, 11 info
  - the `version` response's property type changed from `number` to `object` for status `200`
  - removed the required property `_id` from the response with the `200` status
  - removed the required property `appId` from the response with the `200` status
  - removed the required property `createdAt` from the response with the `200` status
  - …13 more

[Change history](https://skmtc.dev/lit-protocol/apis/vincent-registry-api/changes/app/:appId/version/:version/get.md)

---

[API](https://skmtc.dev/lit-protocol/apis/vincent-registry-api.md) · [All operations](https://skmtc.dev/lit-protocol/apis/vincent-registry-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/lit-protocol/vincent-registry-api/revisions/e514cea423bb/schema)