# Get a data source or third-party service

**GET /groups/{groupId}/apps/{appId}/services/{serviceId}**

Get a [data source](https://www.mongodb.com/zh-cn/docs/atlas/app-services/mongodb/) or [third-party service [Deprecated]](https://www.mongodb.com/zh-cn/docs/atlas/app-services/reference/services/).


## Servers
- The root API resource and starting point for the App Services API.: https://services.cloud.mongodb.com/api/admin/v3.0 (The root API resource and starting point for the App Services API.)


## Authentication methods
- Token auth


## Parameters

### Path parameters
- **groupId** (string)
  An Atlas [Project/Group
  ID](https://docs.atlas.mongodb.com/tutorial/manage-projects/).
- **appId** (string)
  The ObjectID of your application.
  [The App Services API Project and Application IDs section](#section/Project-and-Application-IDs) demonstrates how to find this
  value.
- **serviceId** (string)
  The unique `_id` value of a service.



## Responses
### 200
Successfully retrieved.

#### Body: application/json (object)
- **_id** (string)
  The cluster's unique ID.
- **name** (string)
  The service name.
- **type** (string)
  The type of service.


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