**To describe certificates**

This example describes the certificate associated with the us-east-1 region::

    aws rds describe-certificates

Output::

{
    "Certificates": [
        {
            "Thumbprint": "34478a908a83ae45dcb61676d235ece975c62c63",
            "ValidFrom": "2015-02-05T21:54:04Z",
            "CertificateIdentifier": "rds-ca-2015",
            "ValidTill": "2020-03-05T21:54:04Z",
            "CertificateType": "CA",
            "CertificateArn": "arn:aws:rds:us-east-1::cert:rds-ca-2015"
        }
    ]
}