Method: instances.addServerCa

Adds a new trusted Certificate Authority (CA) version for the specified instance. Required to prepare for a certificate rotation. If a CA version was previously added but never used in a certificate rotation, this operation replaces that version. There cannot be more than one CA version waiting to be rotated in.

HTTP request


The URL uses gRPC Transcoding syntax.

Path parameters



Project ID of the project that contains the instance.



Cloud SQL instance ID. This does not include the project ID.

Request body

The request body must be empty.

Response body

If successful, the response body contains an instance of Operation.

Authorization Scopes

Requires one of the following OAuth scopes:


For more information, see the Authentication Overview.