---
title: "Get an app"
method: GET
path: "/groups/{groupId}/apps/{appId}"
tags: ["apps"]
---

# Get an app

`GET /groups/{groupId}/apps/{appId}`

## Response `200`

The application was successfully retrieved.

- AppInstance — A specific, existing application.
  - `name` string — The name of the application. Must begin with a letter and may only contain ASCII letters, numbers, underscores, and hyphens.
  - `provider_region` union
    - 'aws-us-east-1' | 'aws-us-west-2' | 'aws-us-east-2' | 'aws-eu-central-1' | 'aws-eu-west-1' | 'aws-eu-west-2' | 'aws-ap-southeast-1' | 'aws-ap-southeast-2' | 'aws-ap-south-1' | 'aws-sa-east-1'
    - 'azure-eastus2' | 'azure-westus' | 'azure-westeurope' | 'azure-eastasia' | 'azure-southeastasia'
    - 'gcp-us-central1' | 'gcp-us-east4' | 'gcp-us-west1' | 'gcp-europe-west1' | 'gcp-asia-south1'
  - `location` 'US-VA' | 'US-OR' | 'DE-FF' | 'IE' | 'AU' | 'IN-MB' | 'SG' | 'BR-SP' — An identifier of the location where an app server is physically deployed to, regardless of the cloud provider that hosts the app.
  - `deployment_model` 'GLOBAL' | 'LOCAL' — An application [deployment model](https://www.mongodb.com/docs/atlas/app-services/apps/deployment-models-and-regions/#deployment-models).
  - `environment` 'development' | 'testing' | 'qa' | 'production' — The application's environment.
  - `_id` string — The application's unique internal ID.
  - `client_app_id` string — The application's public App ID.
  - `domain_id` string — The application's associated domain ID.
  - `group_id` string — The application's [Atlas Project/Group ID](https://docs.atlas.mongodb.com/tutorial/manage-projects/).
  - `last_used` integer — The time this app was last used in [UNIX time](https://en.wikipedia.org/wiki/Unix_time) (i.e. the number of seconds since Jan 1, 1970).
  - `last_modified` integer — The time this app was last modified in [UNIX time](https://en.wikipedia.org/wiki/Unix_time) (i.e. the number of seconds since Jan 1, 1970).
  - `product` 'standard' | 'atlas' | 'data-api' | 'device-sync' — The product this app is for.

## Changes

- **2024-02-20** (v3) `e2240dd053bd` — 1 breaking, 6 info
  - the `allOf[#/components/schemas/App]/environment` response's property type/format changed from `string`/`` to ``/`` for status `200`
  - added `#/components/schemas/AppEnvironment, subschema #1` to the `allOf[#/components/schemas/App]/environment` response property `allOf` list for the response status `200`
  - removed the `` enum value from the `allOf[#/components/schemas/App]/environment` response property for the response status `200`
  - removed the `development` enum value from the `allOf[#/components/schemas/App]/environment` response property for the response status `200`
  - …3 more
- **2023-12-04** (v3) `1d1564c0dca1` — 1 warning
  - added the new `device-sync` enum value to the `allOf[subschema #2]/product` response property for the response status `200`

[Change history](https://skmtc.dev/mongodb/apis/mongodb-atlas-app-services-admin-api/changes/groups/:groupId/apps/:appId/get.md)

---

[API](https://skmtc.dev/mongodb/apis/mongodb-atlas-app-services-admin-api.md) · [All operations](https://skmtc.dev/mongodb/apis/mongodb-atlas-app-services-admin-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/mongodb/mongodb-atlas-app-services-admin-api/revisions/1365ab72bc03/schema)