Web Apps - Update Connection Strings Slot

Service:

App Service

API Version:

2025-05-01

Description for Replaces the connection strings of an app.

PUT https://management.azure.com/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Web/sites/{name}/slots/{slot}/config/connectionstrings?api-version=2025-05-01

URI Parameters

Name	In	Required	Type	Description
name	path	True	string	Name of the app.
resourceGroupName	path	True	string minLength: 1 maxLength: 90	The name of the resource group. The name is case insensitive.
slot	path	True	string	Name of the deployment slot. By default, this API returns the production slot.
subscriptionId	path	True	string (uuid)	The ID of the target subscription. The value must be an UUID.
api-version	query	True	string minLength: 1	The API version to use for this operation.

Request Body

Name	Type	Description
kind	string	Kind of resource.
properties.	ConnStringValueTypePair	Database connection string value to type pair.

Responses

Name	Type	Description
200 OK	ConnectionStringDictionary	Azure operation completed successfully.
Other Status Codes	DefaultErrorResponse	An unexpected error response.

Security

azure_auth

Azure Active Directory OAuth2 Flow.

Type: oauth2
Flow: implicit
Authorization URL: https://login.microsoftonline.com/common/oauth2/authorize

Scopes

Name	Description
user_impersonation	impersonate your user account

Definitions

Name	Description
ConnectionStringDictionary	String dictionary resource.
ConnectionStringType	Type of database.
ConnStringValueTypePair	Database connection string value to type pair.
DefaultErrorResponse	App Service error response.
DefaultErrorResponseError	Error model.
DefaultErrorResponseErrorDetailsItem	Detailed errors.

ConnectionStringDictionary

Object

String dictionary resource.

Name	Type	Description
id	string	Resource Id.
kind	string	Kind of resource.
name	string	Resource Name.
properties.	ConnStringValueTypePair	Database connection string value to type pair.
type	string	Resource type.

ConnectionStringType

Enumeration

Type of database.

Value	Description
MySql
SQLServer
SQLAzure
Custom
NotificationHub
ServiceBus
EventHub
ApiHub
DocDb
RedisCache
PostgreSQL

ConnStringValueTypePair

Object

Database connection string value to type pair.

Name	Type	Description
type	ConnectionStringType	Type of database.
value	string	Value of pair.

DefaultErrorResponse

Object

App Service error response.

Name	Type	Description
error	DefaultErrorResponseError	Error model.

DefaultErrorResponseError

Object

Error model.

Name	Type	Description
code	string	Standardized string to programmatically identify the error.
details	DefaultErrorResponseErrorDetailsItem[]	Detailed errors.
innererror	string	More information to debug error.
message	string	Detailed error description and debugging information.
target	string	Detailed error description and debugging information.

DefaultErrorResponseErrorDetailsItem

Object

Detailed errors.

Name	Type	Description
code	string	Standardized string to programmatically identify the error.
message	string	Detailed error description and debugging information.
target	string	Detailed error description and debugging information.