Pub/Sub Lite documentation
Pub/Sub Lite is a high-volume partition-based messaging service that provides increased
flexibility around deployment and management.
Start your proof of concept with $300 in free credit
- Get access to Gemini 2.0 Flash Thinking
- Free monthly usage of popular products, including AI APIs and BigQuery
- No automatic charges, no commitment
Keep exploring with 20+ always-free products
Access 20+ free products for common use cases, including AI APIs, VMs, data warehouses,
and more.
Get started with Pub/Sub Lite
Pub/Sub Lite reference docs
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License
, and code samples are licensed under the Apache 2.0 License
. For details, see the Google Developers Site Policies
. Java is a registered trademark of Oracle and/or its affiliates.
Last updated 2025-08-29 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-29 UTC."],[],[],null,["# Pub/Sub Lite documentation\n==========================\n\n[Read product documentation](/pubsub/docs/pubsub_lite_overview)\n| **Note:** Pub/Sub Lite is deprecated. Effective March 18, 2026, Pub/Sub Lite will be turned down. \n|\n| - Current customers: Pub/Sub Lite remains functional until March 18, 2026. \n| 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.\n| - New customers: Pub/Sub Lite is no longer available for new customers after September 24, 2024.\n|\n| You can migrate your Pub/Sub Lite service to\n| [Google Cloud Managed Service for Apache Kafka](/pubsub/lite/docs/migrate-pubsub-lite-to-managed-service-for-apache-kafka)\n| or [Pub/Sub](/pubsub/lite/docs/migrate-pubsub-lite-to-pubsub).\n\n\nPub/Sub Lite is a high-volume partition-based messaging service that provides increased\nflexibility around deployment and management.\n[Get started for free](https://console.cloud.google.com/freetrial) \n\n#### Start your proof of concept with $300 in free credit\n\n- Get access to Gemini 2.0 Flash Thinking\n- Free monthly usage of popular products, including AI APIs and BigQuery\n- No automatic charges, no commitment \n[View free product offers](/free/docs/free-cloud-features#free-tier) \n\n#### Keep exploring with 20+ always-free products\n\n\nAccess 20+ free products for common use cases, including AI APIs, VMs, data warehouses,\nand more.\n\nDocumentation resources\n-----------------------\n\nFind quickstarts and guides, review key references, and get help with common issues. \nfollow_the_signs\n\n### Get started with Pub/Sub Lite\n\n-\n\n [What is Pub/Sub and Pub/Sub Lite](/pubsub/docs/pubsub_lite_overview)\n\n-\n\n [Choose Pub/Sub or Pub/Sub Lite](/pubsub/docs/choose_lite_or_pubsub)\n\n-\n\n [Quickstart: Publish and receive messages with Pub/Sub Lite](/pubsub/lite/docs/publish-receive-messages-console)\n\n-\n\n [Authenticate to Pub/Sub Lite](/pubsub/lite/docs/authentication)\n\n-\n\n [Access Control for Pub/Sub Lite](/pubsub/lite/docs/access-control)\n\n-\n\n [Tutorial: Stream messages to Pub/Sub Lite with Dataflow](/pubsub/lite/docs/stream-messages-dataflow)\n\n-\n\n [Tutorial: Read and write Pub/Sub Lite messages using Apache Spark](/pubsub/lite/docs/write-messages-apache-spark)\n\nformat_list_numbered\n\n### Use Pub/Sub Lite\n\n-\n\n [Create and manage Lite topics](/pubsub/lite/docs/topics)\n\n-\n\n [Create and manage Lite reservations](/pubsub/lite/docs/reservations)\n\n-\n\n [Publish messages to Lite topics](/pubsub/lite/docs/publishing)\n\n-\n\n [Create and manage Lite subscriptions](/pubsub/lite/docs/subscriptions)\n\n-\n\n [Receive messages from Lite subscriptions](/pubsub/lite/docs/subscribing)\n\n-\n\n [Replay and purge Pub/Sub Lite messages](/pubsub/lite/docs/seek)\n\n-\n\n [Monitor Pub/Sub Lite](/pubsub/lite/docs/monitoring)\n\nfind_in_page\n\n### Pub/Sub Lite reference docs\n\n-\n\n [Pub/Sub Lite pricing](/pubsub/lite/pricing)\n\n-\n\n [Questions about billing](/pubsub/lite/docs/billing-questions)\n\n-\n\n [Quotas and limits](/pubsub/lite/quotas)\n\n-\n\n [All Pub/Sub Lite code samples](/pubsub/lite/docs/samples)\n\n-\n\n [Pub/Sub Lite client libraries](/pubsub/lite/docs/reference/libraries)\n\n-\n\n [Pub/Sub Lite REST APIs](/pubsub/lite/docs/reference/rest)\n\n-\n\n [Pub/Sub Lite RPC APIs](/pubsub/lite/docs/reference/rpc)\n\n-\n\n [Pub/Sub Lite gcloud commands](/sdk/gcloud/reference/pubsub)"]]