This topic describes how to call MNS API operations.

You can call the following MNS API operations to manage queues and topics:

  • API operations that are used to manage queues

    You can use an MNS queue if you need to send messages from one client to another client. The receiver client must send polling requests to pull messages from the queue.

  • API operations that are used to manage topics

    You can use an MNS topic if you need to send messages from one client to multiple clients. The sender client pushes messages to the topic. You must enable the receiver clients to listen for messages from the topic.