**To list the CA certificates registered in your AWS account** The following ``list-ca-certificates`` example lists the CA certificates registered in your AWS account. :: aws iot list-ca-certificates Output:: { "certificates": [ { "certificateArn": "arn:aws:iot:us-west-2:123456789012:cacert/f4efed62c0142f16af278166f61962501165c4f0536295207426460058cd1467", "certificateId": "f4efed62c0142f16af278166f61962501165c4f0536295207426460058cd1467", "status": "INACTIVE", "creationDate": 1569365372.053 } ] } For more information, see `Use Your Own Certificate <https://docs.aws.amazon.com/iot/latest/developerguide/device-certs-your-own.html>`__ in the *AWS IoT Developer Guide*.