You can release an ApsaraMQ for Kafka instance from the console when you no longer need it.
Release an instance
Subscription instances
When a subscription instance is in the Running state, you can unsubscribe from it in the console. For more information, see instance lifecycle management.
Pay-as-you-go instances
When a pay-as-you-go or serverless pay-as-you-go instance is in the Running state, you can stop it in the console. For more information, see instance lifecycle management.