# Get Flexible Sync information

**GET /groups/{groupId}/apps/{appId}/service/{serviceId}/config**

Retrieve sync data for a specific Atlas App Services App when using
[Flexible Sync](https://www.mongodb.com/zh-cn/docs/atlas/app-services/sync/get-started/).


## 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)
- **clusterId** (string)
  The Service ID for the linked cluster.
- **clusterName** (string)
  The name of the linked cluster
- **clusterType** (string)
  The service type of the linked cluster ("atlas" by default)
- **flexible_sync** (object)

- **groupName** (string)
  The name of the App's Atlas Project.
- **orgName** (string)
  The name of the App's Atlas Organization.
- **readPreference** (string)

- **wireProtocolEnabled** (boolean)
  If true, clients may [connect to the app over the
  MongoDB Wire
  Protocol](https://www.mongodb.com/zh-cn/docs/atlas/app-services/mongodb/wire-protocol/#connect-over-the-wire-protocol).


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