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Set up Python client

Install Python client library

Use pip to install the latest version:

pip install 'pulsar-client==3.5.0'

You can install optional components alongside the client library:

# avro serialization
pip install 'pulsar-client[avro]==3.5.0'

# functions runtime
pip install 'pulsar-client[functions]==3.5.0'

# all optional components
pip install 'pulsar-client[all]==3.5.0'

Installation via PyPi is available for the following Python versions:

PlatformSupported Python versions
macOS (>= 11.0)3.7, 3.8, 3.9 and 3.10
Linux (including Alpine Linux)3.7, 3.8, 3.9 and 3.10

Connect to Pulsar cluster

To connect to Pulsar using client libraries, you need to specify a Pulsar protocol URL.

You can assign Pulsar protocol URLs to specific clusters and use the pulsar scheme. The following is an example of localhost with the default port 6650:


If you have multiple brokers, separate IP:port by commas:


If you use mTLS authentication, add +ssl in the scheme: