Skip to main content

Key Features

Courier provides a mechanism for creating long running connection on mobile applications and backend services using MQTT protocol

Quality of Service

Supports three QoS delivery levels: 0 (atmost once), 1 (atleast once) and 2 (exactly once)

Clean API

Provides clean API for connect / disconnect, subscribe / unsubscribe and publish / receive functionalities

Automatic Reconnect

Automatically reconnects in case of network or other unexpected failures

Observability

Provides events for tracking end-to-end delivery

Flexible Encoder/Decoder support

Converts message payload to and from any custom message type

Open Source

Open-source client libraries for GoLang, Android & iOS

Courier-GO

Go package for creating long running connection using MQTT protocol

Documentation

Courier-Android

Android library for creating long running connection using MQTT protocol

Documentation

Courier-iOS

iOS library for creating long running connection using MQTT protocol

Documentation