# Pub/Sub documentation

[Read product documentation](https://docs.cloud.google.com/pubsub/docs/overview.md.txt)
Pub/Sub is a fully managed real-time messaging service that lets you
send and receive messages between independent applications.

[Go to the Pub/Sub product page for more.](https://cloud.google.com/pubsub)

## Documentation resources

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

### Get Started with Pub/Sub

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

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  [Overview of the Pub/Sub service](https://docs.cloud.google.com/pubsub/docs/pubsub-basics.md.txt)

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  [Choose Pub/Sub or Google Tasks](https://docs.cloud.google.com/pubsub/docs/choosing-pubsub-or-cloud-tasks.md.txt)

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  [Publish and subscribe with client libraries](https://docs.cloud.google.com/pubsub/docs/publish-receive-messages-client-library.md.txt)

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  [Publish and subscribe with gcloud CLI](https://docs.cloud.google.com/pubsub/docs/publish-receive-messages-gcloud.md.txt)

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  [Publish and subscribe with the console](https://docs.cloud.google.com/pubsub/docs/publish-receive-messages-console.md.txt)

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  [Publish and subscribe with Pub/Sub APIs](https://docs.cloud.google.com/pubsub/docs/reference/service_apis_overview.md.txt)

### Use Pub/Sub

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

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

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  [Configure message storage policies](https://docs.cloud.google.com/pubsub/docs/resource-location-restriction.md.txt)

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  [Publish message overview](https://docs.cloud.google.com/pubsub/docs/publish-message-overview.md.txt)

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  [Create a topic](https://docs.cloud.google.com/pubsub/docs/create-topic.md.txt)

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

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  [Subscription overview](https://docs.cloud.google.com/pubsub/docs/subscription-overview.md.txt)

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  [Choose a subscription type](https://docs.cloud.google.com/pubsub/docs/subscriber.md.txt)

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

### Pub/Sub reference docs

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  [Architectural overview](https://docs.cloud.google.com/pubsub/architecture.md.txt)

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  [Pub/Sub: Introduction to reliability](https://docs.cloud.google.com/pubsub/docs/reliability-intro.md.txt)

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

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

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

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  [Pub/Sub APIs overview](https://docs.cloud.google.com/pubsub/docs/reference/service_apis_overview.md.txt)

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

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

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

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  [General troubleshooting](https://docs.cloud.google.com/pubsub/docs/troubleshooting.md.txt)

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  [Release notes](https://docs.cloud.google.com/pubsub/docs/release-notes.md.txt)

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  [Pub/Sub SLA](https://docs.cloud.google.com/pubsub/sla)

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