# Enable the Data API

**POST /groups/{groupId}/apps/{appId}/data_api/config**

Create your app's [Data API](https://www.mongodb.com/zh-cn/docs/atlas/app-services/data-api/generated-endpoints/) configuration.


## 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.


### Body: application/json (object | null)
A valid [configuration object](https://www.mongodb.com/zh-cn/docs/atlas/app-services/reference/config/https_endpoints/#data-api-configuration) for the endpoint.
- **disabled** (boolean)

- **versions** (array[string])
  A supported version of the Data API.
- **return_type** (string)
  A [data format](https://mongodb.com/docs/atlas/app-services/data-api/#data-formats) supported by the Data API & custom endpoints.
- **create_user_on_auth** (boolean)

- **run_as_user_id** (string)
  An application user's account ID. If defined, endpoints will always run as the specified user.
- **run_as_user_id_script_source** (string)
  Stringified source code for a function that returns an
  application user's account ID. If defined, endpoints execute
  the function on every request and run as the user with the
  ID returned from the function.
- **validation_method** (string)

- **secret_name** (string)
  If `validation_method` is set to `"SECRET_AS_QUERY_PARAM"`
  or `"VERIFY_PAYLOAD"`, this is the `name` of the
  [Secret](https://www.mongodb.com/zh-cn/docs/atlas/app-services/values-and-secrets/)
  that authorizes requests.
- **can_evaluate** (object)
  A JSON expression that evaluates to `true` if an endpoint is
  allowed to run in response to an incoming request.


## Responses
### 201
Created

#### Body: application/json (object | null)
- **disabled** (boolean)

- **versions** (array[string])
  A supported version of the Data API.
- **return_type** (string)
  A [data format](https://mongodb.com/docs/atlas/app-services/data-api/#data-formats) supported by the Data API & custom endpoints.
- **create_user_on_auth** (boolean)

- **run_as_user_id** (string)
  An application user's account ID. If defined, endpoints will always run as the specified user.
- **run_as_user_id_script_source** (string)
  Stringified source code for a function that returns an
  application user's account ID. If defined, endpoints execute
  the function on every request and run as the user with the
  ID returned from the function.
- **validation_method** (string)

- **secret_name** (string)
  If `validation_method` is set to `"SECRET_AS_QUERY_PARAM"`
  or `"VERIFY_PAYLOAD"`, this is the `name` of the
  [Secret](https://www.mongodb.com/zh-cn/docs/atlas/app-services/values-and-secrets/)
  that authorizes requests.
- **can_evaluate** (object)
  A JSON expression that evaluates to `true` if an endpoint is
  allowed to run in response to an incoming request.


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