# Pub/Sub Lite documentation

[Read product documentation](https://docs.cloud.google.com/pubsub/docs/pubsub_lite_overview.md.txt)

> [!NOTE]
> **Note:** Pub/Sub Lite is deprecated. Effective January 31, 2027, Pub/Sub Lite will be turned down.   
>
> - Current customers: Pub/Sub Lite remains functional until January 31, 2027.   
>   If you have not used Pub/Sub Lite within the 90-day period preceding July 15, 2025 (April 15, 2025 - July 15, 2025), you won't be able to access Pub/Sub Lite starting on July 15, 2025.
> - New customers: Pub/Sub Lite is no longer available for new customers after September 24, 2024.
>
> You can migrate your Pub/Sub Lite service to
> [Google Cloud Managed Service for Apache Kafka](https://docs.cloud.google.com/pubsub/lite/docs/migrate-pubsub-lite-to-managed-service-for-apache-kafka.md.txt)
> or [Pub/Sub](https://docs.cloud.google.com/pubsub/lite/docs/migrate-pubsub-lite-to-pubsub.md.txt).


Pub/Sub Lite is a high-volume partition-based messaging service that provides increased
flexibility around deployment and management.

## Documentation resources

Find quickstarts and guides, review key references, and get help with common issues.

### Get started with Pub/Sub Lite

-

  [What is Pub/Sub and Pub/Sub Lite](https://docs.cloud.google.com/pubsub/docs/pubsub_lite_overview.md.txt)

-

  [Choose Pub/Sub or Pub/Sub Lite](https://docs.cloud.google.com/pubsub/docs/choose_lite_or_pubsub.md.txt)

-

  [Quickstart: Publish and receive messages with Pub/Sub Lite](https://docs.cloud.google.com/pubsub/lite/docs/publish-receive-messages-console.md.txt)

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  [Authenticate to Pub/Sub Lite](https://docs.cloud.google.com/pubsub/lite/docs/authentication.md.txt)

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  [Access Control for Pub/Sub Lite](https://docs.cloud.google.com/pubsub/lite/docs/access-control.md.txt)

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  [Tutorial: Stream messages to Pub/Sub Lite with Dataflow](https://docs.cloud.google.com/pubsub/lite/docs/stream-messages-dataflow.md.txt)

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  [Tutorial: Read and write Pub/Sub Lite messages using Apache Spark](https://docs.cloud.google.com/pubsub/lite/docs/write-messages-apache-spark.md.txt)

### Use Pub/Sub Lite

-

  [Create and manage Lite topics](https://docs.cloud.google.com/pubsub/lite/docs/topics.md.txt)

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  [Create and manage Lite reservations](https://docs.cloud.google.com/pubsub/lite/docs/reservations.md.txt)

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  [Publish messages to Lite topics](https://docs.cloud.google.com/pubsub/lite/docs/publishing.md.txt)

-

  [Create and manage Lite subscriptions](https://docs.cloud.google.com/pubsub/lite/docs/subscriptions.md.txt)

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  [Receive messages from Lite subscriptions](https://docs.cloud.google.com/pubsub/lite/docs/subscribing.md.txt)

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  [Replay and purge Pub/Sub Lite messages](https://docs.cloud.google.com/pubsub/lite/docs/seek.md.txt)

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  [Monitor Pub/Sub Lite](https://docs.cloud.google.com/pubsub/lite/docs/monitoring.md.txt)

### Pub/Sub Lite reference docs

-

  [Pub/Sub Lite pricing](https://docs.cloud.google.com/pubsub/lite/pricing)

-

  [Questions about billing](https://docs.cloud.google.com/pubsub/lite/docs/billing-questions.md.txt)

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  [Quotas and limits](https://docs.cloud.google.com/pubsub/lite/quotas.md.txt)

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  [All Pub/Sub Lite code samples](https://docs.cloud.google.com/pubsub/lite/docs/samples.md.txt)

-

  [Pub/Sub Lite client libraries](https://docs.cloud.google.com/pubsub/lite/docs/reference/libraries.md.txt)

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  [Pub/Sub Lite REST APIs](https://docs.cloud.google.com/pubsub/lite/docs/reference/rest.md.txt)

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  [Pub/Sub Lite RPC APIs](https://docs.cloud.google.com/pubsub/lite/docs/reference/rpc.md.txt)

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  [Pub/Sub Lite gcloud commands](https://docs.cloud.google.com/sdk/gcloud/reference/pubsub)