(5) pymqi is a popular third-party library. IBM MQ supports a subset of AMQP1.0 features and is used to underpin the MQ Light API. (4) AMQP is an open standard wire protocol and popular with developers using open source libraries. (3) MQ Light clients are available in several languages in our MQ Light GitHub repo. For more information, see the “ Getting started with the IBM MQ messaging REST API” tutorial and “ Messaging using the REST API” in the IBM MQ Knowledge Center.

(2) Messaging REST APIs can be used to interact with queues and, as of version 9.1.5, for publishing topics. Eclipse Paho clients can be used to connect to IBM MQ. (1) MQTT is an ideal protocol for developing IoT applications or in cases where bandwidth is constrained and small message overheads are desirable. See the notes and sections below the table for your language. In addition to the IBM supported libraries, there are many third party and open source libraries that are available to MQ application developers. There are differences in what you might be able to do with a given combination of APIs and protocols since not all APIs and protocols offer exactly the same messaging features. The protocol is typically hidden from the application, so you should only need to worry about this if you already know you have a requirement on a particular protocol. The APIs range in levels of capability and simplicity, so you should match these to your application’s needs. You have a choice of APIs and protocols, depending on which language you use.

Learn how to do this in the IBM MQ Documentation in the Knowledge Center (and be sure to read the license information for redistributing the MQ clients). Then, you must package together your app and redistributable library for the target environment. Just download the redistributable client library. You can use one of our redistributable clients (redist) to run your app where you deploy it. Also, if you encounter issues with Fix Central, try a different browser. To download the MQ server or MQ clients from IBM Fix Central, you’ll need to log in with an IBMid, so make sure that you create your IBMid first.

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