Pulsar client libraries

Language-specific client libraries

Pulsar supports the following language-specific client libraries:

Language	Documentation	Release note	Code repo
Java	User doc API doc	Standalone	Bundled
C++	User doc API doc	Standalone	Standalone
Python	User doc API doc	Standalone	Standalone
Go client	User doc API doc	Standalone	Standalone
Node.js	User doc	Standalone	Standalone
C#	User doc	Standalone	Standalone

tip

If you want to create your own client library, read the binary protocol documentation.

Pulsar supports the following language-agnostic client libraries:

Interface	Documentation	Release note	Code repo
REST	User doc	Bundled	Bundled
WebSocket	User doc	Standalone	Bundled

Pulsar client feature matrix for different languages is listed on Pulsar Feature Matrix (Client and Function) page.

Besides the officially released clients, multiple projects on developing Pulsar clients are available in different languages.

tip

Want your repository listed here? Click the “Edit this page” button at the bottom of this page.

Project	Description	License	Badges
pulsar-client-dotnet	Apache Pulsar native client for .NET (C#/F#/VB)	MIT

Project	Description	License	Badges
pulsar-client-go	A Go client library for Apache Pulsar	Apache-2.0

Project	Description	License	Badges
supernova	Apache Pulsar client for Haskell	Apache-2.0

Project	Description	License	Badges
pulsar-flex	Pulsar Flex is a modern Apache Pulsar client for Node.js, developed to be independent of C++.	MIT

Project	Description	License	Badges
pulsar-client-php	PHP Native Client library for Apache Pulsar	MIT

Project	Description	License	Badges
pulsar-rs	Rust Client library for Apache Pulsar	Apache-2.0

Project	Description	License
pulsar4s	Idiomatic, typesafe, and reactive Scala client for Apache Pulsar	Apache-2.0
neutron	Purely functional Apache Pulsar client for Scala built on top of Fs2	Apache-2.0
neutron (profunktor’s fork)	Fs2-powered Apache Pulsar client with support for Scala 2 and 3	Apache-2.0