docs/client-libraries.md - pulsar-site - Git at Google

 ---
 id: client-libraries
 title: Pulsar client libraries
 sidebar_label: "Overview"
 ---

 ## Language-specific client libraries

 Pulsar supports the following language-specific client libraries:

 | Language  | Documentation                                                                                                      | Release note                                          | Code repo                                                             |
 |-----------|--------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------|-----------------------------------------------------------------------|
 | Java      | [User doc](client-libraries-java.md)   <br/> [API doc](/api/client/)                                               | [Standalone](pathname:///release-notes/client-java)   | [Bundled](https://github.com/apache/pulsar/tree/master/pulsar-client) |
 | C++       | [User doc](client-libraries-cpp.md)    <br/> [API doc](@pulsar:apidoc:cpp@)                                        | [Standalone](pathname:///release-notes/client-cpp)    | [Standalone](https://github.com/apache/pulsar-client-cpp)             |
 | Python    | [User doc](client-libraries-python.md) <br/> [API doc](@pulsar:apidoc:python@)                                     | [Standalone](pathname:///release-notes/client-python) | [Standalone](https://github.com/apache/pulsar-client-python)          |
 | Go client | [User doc](client-libraries-go.md)   <br/> [API doc](https://pkg.go.dev/github.com/apache/pulsar-client-go/pulsar) | [Standalone](pathname:///release-notes/client-go)     | [Standalone](https://github.com/apache/pulsar-client-go)              |
 | Node.js   | [User doc](client-libraries-node.md)                                                                               | [Standalone](pathname:///release-notes/client-node)   | [Standalone](https://github.com/apache/pulsar-client-node)            |
 | C#        | [User doc](client-libraries-dotnet.md)                                                                             | [Standalone](pathname:///release-notes/client-cs)     | [Standalone](https://github.com/apache/pulsar-dotpulsar)              |

 :::tip

 If you want to create your own client library, read the [binary protocol documentation](developing-binary-protocol.md).

 :::

 ## Language-agnostic client libraries

 Pulsar supports the following language-agnostic client libraries:

 | Interface | Documentation                             | Release note                                      | Code repo                                                                |
 |-----------|-------------------------------------------|---------------------------------------------------|--------------------------------------------------------------------------|
 | REST      | [User doc](client-libraries-rest.md)      | [Bundled](pathname:///release-notes/)             | [Bundled](https://github.com/apache/pulsar/tree/master/pulsar-broker)    |
 | WebSocket | [User doc](client-libraries-websocket.md) | [Standalone](pathname:///release-notes/client-ws) | [Bundled](https://github.com/apache/pulsar/tree/master/pulsar-websocket) |

 ## Feature matrix

 Pulsar client feature matrix for different languages is listed on [Pulsar Feature Matrix (Client and Function)](https://docs.google.com/spreadsheets/d/1YHYTkIXR8-Ql103u-IMI18TXLlGStK8uJjDsOOA0T20/edit#gid=1784579914) page.

 ## Third-party clients

 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.

 :::

 #### .NET

 | Project                                                                    | Description                                     | License                                    | Badges                                                                                                                                                                                                                                                   |
 |----------------------------------------------------------------------------|-------------------------------------------------|--------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
 | [pulsar-client-dotnet](https://github.com/fsprojects/pulsar-client-dotnet) | Apache Pulsar native client for .NET (C#/F#/VB) | [MIT](https://opensource.org/licenses/MIT) | ![GitHub Repo Stars](https://img.shields.io/github/stars/fsprojects/pulsar-client-dotnet?color=FEEA00&style=flat-square) ![GitHub Last Commit](https://img.shields.io/github/last-commit/fsprojects/pulsar-client-dotnet?color=7FD8BE&style=flat-square) |

 #### Go

 | Project                                                         | Description                           | License                                                   | Badges                                                                                                                                                                                                                                   |
 |-----------------------------------------------------------------|---------------------------------------|-----------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
 | [pulsar-client-go](https://github.com/Comcast/pulsar-client-go) | A Go client library for Apache Pulsar | [Apache-2.0](https://www.apache.org/licenses/LICENSE-2.0) | ![GitHub Repo Stars](https://img.shields.io/github/stars/apache/pulsar-client-go?color=FEEA00&style=flat-square) ![GitHub Last Commit](https://img.shields.io/github/last-commit/apache/pulsar-client-go?color=7FD8BE&style=flat-square) |

 #### Haskell

 | Project                                          | Description                      | License                                                   | Badges                                                                                                                                                                                                                     |
 |--------------------------------------------------|----------------------------------|-----------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
 | [supernova](https://github.com/cr-org/supernova) | Apache Pulsar client for Haskell | [Apache-2.0](https://www.apache.org/licenses/LICENSE-2.0) | ![GitHub Repo Stars](https://img.shields.io/github/stars/cr-org/supernova?color=FEEA00&style=flat-square) ![GitHub Last Commit](https://img.shields.io/github/last-commit/cr-org/supernova?color=7FD8BE&style=flat-square) |

 #### Node.js

 | Project                                                     | Description                                                                                   | License                                    | Badges                                                                                                                                                                                                                                       |
 |-------------------------------------------------------------|-----------------------------------------------------------------------------------------------|--------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
 | [pulsar-flex](https://github.com/ayeo-flex-org/pulsar-flex) | Pulsar Flex is a modern Apache Pulsar client for Node.js, developed to be independent of C++. | [MIT](https://opensource.org/licenses/MIT) | ![GitHub Repo Stars](https://img.shields.io/github/stars/ayeo-flex-org/pulsar-flex?color=FEEA00&style=flat-square) ![GitHub Last Commit](https://img.shields.io/github/last-commit/ayeo-flex-org/pulsar-flex?color=7FD8BE&style=flat-square) |

 #### PHP

 | Project                                                             | Description                                 | License                                    | Badges                                                                                                                                                                                                                                           |
 |---------------------------------------------------------------------|---------------------------------------------|--------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
 | [pulsar-client-php](https://github.com/ikilobyte/pulsar-client-php) | PHP Native Client library for Apache Pulsar | [MIT](https://opensource.org/licenses/MIT) | ![GitHub Repo Stars](https://img.shields.io/github/stars/ikilobyte/pulsar-client-php?color=FEEA00&style=flat-square) ![GitHub Last Commit](https://img.shields.io/github/last-commit/ikilobyte/pulsar-client-php?color=7FD8BE&style=flat-square) |

 #### Rust

 | Project                                                | Description                           | License                                                   | Badges                                                                                                                                                                                                                                 |
 |--------------------------------------------------------|---------------------------------------|-----------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
 | [pulsar-rs](https://github.com/streamnative/pulsar-rs) | Rust Client library for Apache Pulsar | [Apache-2.0](https://www.apache.org/licenses/LICENSE-2.0) | ![GitHub Repo Stars](https://img.shields.io/github/stars/streamnative/pulsar-rs?color=FEEA00&style=flat-square) ![GitHub Last Commit](https://img.shields.io/github/last-commit/streamnative/pulsar-rs?color=7FD8BE&style=flat-square) |

 #### Scala

 | Project                                                       | Description                                                          | License                                                   | Badges                                                                                                                                                                                                                             |
 |---------------------------------------------------------------|----------------------------------------------------------------------|-----------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
 | [pulsar4s](https://github.com/CleverCloud/pulsar4s)           | Idiomatic, typesafe, and reactive Scala client for Apache Pulsar     | [Apache-2.0](https://www.apache.org/licenses/LICENSE-2.0) | ![GitHub Repo Stars](https://img.shields.io/github/stars/CleverCloud/pulsar4s?color=FEEA00&style=flat-square) ![GitHub Last Commit](https://img.shields.io/github/last-commit/CleverCloud/pulsar4s?color=7FD8BE&style=flat-square) |
 | [neutron](https://github.com/cr-org/neutron)                  | Purely functional Apache Pulsar client for Scala built on top of Fs2 | [Apache-2.0](https://www.apache.org/licenses/LICENSE-2.0) | ![GitHub Repo Stars](https://img.shields.io/github/stars/cr-org/neutron?color=FEEA00&style=flat-square) ![GitHub Last Commit](https://img.shields.io/github/last-commit/cr-org/neutron?color=7FD8BE&style=flat-square)             |
 | [neutron (profunktor's fork)](https://neutron.profunktor.dev) | Fs2-powered Apache Pulsar client with support for Scala 2 and 3      | [Apache-2.0](https://www.apache.org/licenses/LICENSE-2.0) | ![GitHub Repo Stars](https://img.shields.io/github/stars/profunktor/neutron?color=FEEA00&style=flat-square) ![GitHub Last Commit](https://img.shields.io/github/last-commit/profunktor/neutron?color=7FD8BE&style=flat-square)     |
	---
	id: client-libraries
	title: Pulsar client libraries
	sidebar_label: "Overview"
	---

	## Language-specific client libraries

	Pulsar supports the following language-specific client libraries:

	\| Language \| Documentation \| Release note \| Code repo \|
	\|-----------\|--------------------------------------------------------------------------------------------------------------------\|-------------------------------------------------------\|-----------------------------------------------------------------------\|
	\| Java \| [User doc](client-libraries-java.md) <br/> [API doc](/api/client/) \| [Standalone](pathname:///release-notes/client-java) \| [Bundled](https://github.com/apache/pulsar/tree/master/pulsar-client) \|
	\| C++ \| [User doc](client-libraries-cpp.md) <br/> [API doc](@pulsar:apidoc:cpp@) \| [Standalone](pathname:///release-notes/client-cpp) \| [Standalone](https://github.com/apache/pulsar-client-cpp) \|
	\| Python \| [User doc](client-libraries-python.md) <br/> [API doc](@pulsar:apidoc:python@) \| [Standalone](pathname:///release-notes/client-python) \| [Standalone](https://github.com/apache/pulsar-client-python) \|
	\| Go client \| [User doc](client-libraries-go.md) <br/> [API doc](https://pkg.go.dev/github.com/apache/pulsar-client-go/pulsar) \| [Standalone](pathname:///release-notes/client-go) \| [Standalone](https://github.com/apache/pulsar-client-go) \|
	\| Node.js \| [User doc](client-libraries-node.md) \| [Standalone](pathname:///release-notes/client-node) \| [Standalone](https://github.com/apache/pulsar-client-node) \|
	\| C# \| [User doc](client-libraries-dotnet.md) \| [Standalone](pathname:///release-notes/client-cs) \| [Standalone](https://github.com/apache/pulsar-dotpulsar) \|

	:::tip

	If you want to create your own client library, read the [binary protocol documentation](developing-binary-protocol.md).

	:::

	## Language-agnostic client libraries

	Pulsar supports the following language-agnostic client libraries:

	\| Interface \| Documentation \| Release note \| Code repo \|
	\|-----------\|-------------------------------------------\|---------------------------------------------------\|--------------------------------------------------------------------------\|
	\| REST \| [User doc](client-libraries-rest.md) \| [Bundled](pathname:///release-notes/) \| [Bundled](https://github.com/apache/pulsar/tree/master/pulsar-broker) \|
	\| WebSocket \| [User doc](client-libraries-websocket.md) \| [Standalone](pathname:///release-notes/client-ws) \| [Bundled](https://github.com/apache/pulsar/tree/master/pulsar-websocket) \|

	## Feature matrix

	Pulsar client feature matrix for different languages is listed on [Pulsar Feature Matrix (Client and Function)](https://docs.google.com/spreadsheets/d/1YHYTkIXR8-Ql103u-IMI18TXLlGStK8uJjDsOOA0T20/edit#gid=1784579914) page.

	## Third-party clients

	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.

	:::

	#### .NET

	\| Project \| Description \| License \| Badges \|
	\|----------------------------------------------------------------------------\|-------------------------------------------------\|--------------------------------------------\|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------\|
	\| [pulsar-client-dotnet](https://github.com/fsprojects/pulsar-client-dotnet) \| Apache Pulsar native client for .NET (C#/F#/VB) \| [MIT](https://opensource.org/licenses/MIT) \| ![GitHub Repo Stars](https://img.shields.io/github/stars/fsprojects/pulsar-client-dotnet?color=FEEA00&style=flat-square) ![GitHub Last Commit](https://img.shields.io/github/last-commit/fsprojects/pulsar-client-dotnet?color=7FD8BE&style=flat-square) \|

	#### Go

	\| Project \| Description \| License \| Badges \|
	\|-----------------------------------------------------------------\|---------------------------------------\|-----------------------------------------------------------\|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------\|
	\| [pulsar-client-go](https://github.com/Comcast/pulsar-client-go) \| A Go client library for Apache Pulsar \| [Apache-2.0](https://www.apache.org/licenses/LICENSE-2.0) \| ![GitHub Repo Stars](https://img.shields.io/github/stars/apache/pulsar-client-go?color=FEEA00&style=flat-square) ![GitHub Last Commit](https://img.shields.io/github/last-commit/apache/pulsar-client-go?color=7FD8BE&style=flat-square) \|

	#### Haskell

	\| Project \| Description \| License \| Badges \|
	\|--------------------------------------------------\|----------------------------------\|-----------------------------------------------------------\|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------\|
	\| [supernova](https://github.com/cr-org/supernova) \| Apache Pulsar client for Haskell \| [Apache-2.0](https://www.apache.org/licenses/LICENSE-2.0) \| ![GitHub Repo Stars](https://img.shields.io/github/stars/cr-org/supernova?color=FEEA00&style=flat-square) ![GitHub Last Commit](https://img.shields.io/github/last-commit/cr-org/supernova?color=7FD8BE&style=flat-square) \|

	#### Node.js

	\| Project \| Description \| License \| Badges \|
	\|-------------------------------------------------------------\|-----------------------------------------------------------------------------------------------\|--------------------------------------------\|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------\|
	\| [pulsar-flex](https://github.com/ayeo-flex-org/pulsar-flex) \| Pulsar Flex is a modern Apache Pulsar client for Node.js, developed to be independent of C++. \| [MIT](https://opensource.org/licenses/MIT) \| ![GitHub Repo Stars](https://img.shields.io/github/stars/ayeo-flex-org/pulsar-flex?color=FEEA00&style=flat-square) ![GitHub Last Commit](https://img.shields.io/github/last-commit/ayeo-flex-org/pulsar-flex?color=7FD8BE&style=flat-square) \|

	#### PHP

	\| Project \| Description \| License \| Badges \|
	\|---------------------------------------------------------------------\|---------------------------------------------\|--------------------------------------------\|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------\|
	\| [pulsar-client-php](https://github.com/ikilobyte/pulsar-client-php) \| PHP Native Client library for Apache Pulsar \| [MIT](https://opensource.org/licenses/MIT) \| ![GitHub Repo Stars](https://img.shields.io/github/stars/ikilobyte/pulsar-client-php?color=FEEA00&style=flat-square) ![GitHub Last Commit](https://img.shields.io/github/last-commit/ikilobyte/pulsar-client-php?color=7FD8BE&style=flat-square) \|

	#### Rust

	\| Project \| Description \| License \| Badges \|
	\|--------------------------------------------------------\|---------------------------------------\|-----------------------------------------------------------\|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------\|
	\| [pulsar-rs](https://github.com/streamnative/pulsar-rs) \| Rust Client library for Apache Pulsar \| [Apache-2.0](https://www.apache.org/licenses/LICENSE-2.0) \| ![GitHub Repo Stars](https://img.shields.io/github/stars/streamnative/pulsar-rs?color=FEEA00&style=flat-square) ![GitHub Last Commit](https://img.shields.io/github/last-commit/streamnative/pulsar-rs?color=7FD8BE&style=flat-square) \|

	#### Scala

	\| Project \| Description \| License \| Badges \|
	\|---------------------------------------------------------------\|----------------------------------------------------------------------\|-----------------------------------------------------------\|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------\|
	\| [pulsar4s](https://github.com/CleverCloud/pulsar4s) \| Idiomatic, typesafe, and reactive Scala client for Apache Pulsar \| [Apache-2.0](https://www.apache.org/licenses/LICENSE-2.0) \| ![GitHub Repo Stars](https://img.shields.io/github/stars/CleverCloud/pulsar4s?color=FEEA00&style=flat-square) ![GitHub Last Commit](https://img.shields.io/github/last-commit/CleverCloud/pulsar4s?color=7FD8BE&style=flat-square) \|
	\| [neutron](https://github.com/cr-org/neutron) \| Purely functional Apache Pulsar client for Scala built on top of Fs2 \| [Apache-2.0](https://www.apache.org/licenses/LICENSE-2.0) \| ![GitHub Repo Stars](https://img.shields.io/github/stars/cr-org/neutron?color=FEEA00&style=flat-square) ![GitHub Last Commit](https://img.shields.io/github/last-commit/cr-org/neutron?color=7FD8BE&style=flat-square) \|
	\| [neutron (profunktor's fork)](https://neutron.profunktor.dev) \| Fs2-powered Apache Pulsar client with support for Scala 2 and 3 \| [Apache-2.0](https://www.apache.org/licenses/LICENSE-2.0) \| ![GitHub Repo Stars](https://img.shields.io/github/stars/profunktor/neutron?color=FEEA00&style=flat-square) ![GitHub Last Commit](https://img.shields.io/github/last-commit/profunktor/neutron?color=7FD8BE&style=flat-square) \|