**To upload a signing certificate for an IAM user** The following ``upload-signing-certificate`` command uploads a signing certificate for the IAM user named ``Bob``:: aws iam upload-signing-certificate --user-name Bob --certificate-body file://certificate.pem Output:: { "Certificate": { "UserName": "Bob", "Status": "Active", "CertificateBody": "-----BEGIN CERTIFICATE----------END CERTIFICATE-----", "CertificateId": "TA7SMP42TDN5Z26OBPJE7EXAMPLE", "UploadDate": "2013-06-06T21:40:08.121Z" } } The certificate is in a file named *certificate.pem* in PEM format. For more information, see `Creating and Uploading a User Signing Certificate`_ in the *Using IAM* guide. .. _`Creating and Uploading a User Signing Certificate`: http://docs.aws.amazon.com/IAM/latest/UserGuide/Using_UploadCertificate.html