---
id: google-cloud-pubsub
version: "2.39.1"
license: Apache-2.0
license_treatment: permissive
maintenance: active
---

# google-cloud-pubsub — Google Cloud Pub/Sub API client library

License: permissive · Maintenance: active · Popularity: top 1,000 on PyPI

## Install

pip install google-cloud-pubsub
uv add google-cloud-pubsub
poetry add google-cloud-pubsub

## Description

Python Client for Cloud Pub/Sub
===============================

|stable| |pypi| |versions|

`Cloud Pub/Sub`_: Provides reliable, many-to-many, asynchronous messaging between
applications.

- `Client Library Documentation`_
- `Product Documentation`_

.. |stable| image:: https://img.shields.io/badge/support-stable-gold.svg
   :target: https://github.com/googleapis/google-cloud-python/blob/main/README.rst#stability-levels
.. |pypi| image:: https://img.shields.io/pypi/v/google-cloud-pubsub.svg
   :target: https://pypi.org/project/google-cloud-pubsub/
.. |versions| image:: https://img.shields.io/pypi/pyversions/google-cloud-pubsub.svg
   :target: https://pypi.org/project/google-cloud-pubsub/
.. _Cloud Pub/Sub: https://cloud.google.com/pubsub/docs
.. _Client Library Documentation: https://cloud.google.com/python/docs/reference/pubsub/latest/summary_overview
.. _Product Documentation:  https://cloud.google.com/pubsub/docs

Quick Start
-----------

In order to use this library, you first need to go through the following steps:

1. `Select or create a Cloud Platform project.`_
2. `Enable billing for your project.`_
3. `Enable the Cloud Pub/Sub.`_
4. `Set up Authentication.`_

.....

## AI interpretation — verify before relying

Python client library for Google Cloud Pub/Sub, enabling reliable asynchronous publish-subscribe messaging between applications via Google Cloud infrastructure.

Verdict: Production-ready Google-authored library with active maintenance, no known vulnerabilities, and low install friction. Suitable for applications requiring reliable cloud-native pub/sub messaging. Permissive Apache 2.0 license poses no adoption barriers.

[View on SkillFed](https://skillfed.io/packages/google-cloud-pubsub) · [View on PyPI](https://pypi.org/project/google-cloud-pubsub/)