Here’s a few commands to create, delete and disable AWS user keys.

List user keys.

aws iam list-access-keys --user-name john.doe

Create access key. Results are printed on screen in JSON format.

aws iam create-access-key --user-name john.doe

Disable a key. The real key id is obfuscated.

aws iam update-access-key \
--access-key-id ******************** \
--status Inactive \
--user-name john.doe

Delete a key. They real key id is obfuscated.

aws iam delete-access-key \
--access-key-id ******************** \
--user-name john.doe