Documentation of the available APIs for building MQTT clients, examples of using these APIs can be found in [#Scripting Strategies and API Usage Examples](#Scripting Strategies and API Usage Examples):

• PHP

• Mosquitto-PHP (extension for PHP)

• [Perl WebSphere::MQTT::Client](Perl MQTT Client)

• [IBM IA93 MQTT C Client](C MQTT Client)

• [Arduino Pub/Sub Client](Arduino MQTT Client)

• [Delphi](Delphi MQTT Client)

• [.net](.net MQTT Client)

• [Java](Java MQTT Client)

• libmosquitto (C client library)

• libmosquittopp (C++ client library)

• libmosquitto-python (Python client module)

• [Ruby](Ruby MQTT Gem)

Many of the different MQTT implementations listed on the Software page come with their own samples.

Another good source of example code is Github - search for "MQTT" - and always respect the license.

Below are approaches to common tasks and examples using the various APIs:

• [Integrating Current Cost Meters](MQTT and Current Cost)

• [Using Cosm (aka Pachube) with MQTT](MQTT and Pachube)

• Using MQTT with OpenSensors

• Using MQTT with Apache Ant

• MQTT and LotusScript for email automation

• 1-wire with MQTT

• [Using MQTT with Twitter etc](MQTT and Microblogging)

• [Logging MQTT Messages in Databases](MQTT and Databases)

• [Java examples](Java MQTT Client)
• [Python examples](Python examples)
• [Scala examples](Scala MQTT Client)

• Android

• iOS