---
title: 'Google Cloud Pub/Sub'
description: 'Publish and subscribe to real-time messaging with Google Cloud Pub/Sub.'
---

# Google Cloud Pub/Sub

Publish and subscribe to real-time messaging with Google Cloud Pub/Sub.

| Detail | Value |
|---|---|
| Category | Cloud & Infra |
| Base URL | `https://pubsub.googleapis.com/v1` |
| Authentication | See connector docs |
| Endpoints | 8 |
| Connector key | `gcp-pubsub` |

## Using Google Cloud Pub/Sub in a workflow

1. Go to **Connections** and click **New Connection**.
2. Pick **Google Cloud Pub/Sub** from the marketplace.
3. Enter your credentials (see Authentication above for what's expected).
4. In a workflow, drop an **API Call** node and select this connection.
5. Pick the operation you need from the Operation dropdown — see the table below.

## Available Endpoints

| Endpoint | Summary |
|---|---|
| [GET /projects/{project}/topics](./get_projects_project_topics_cloud_listtopics) | List topics |
| [PUT /projects/{project}/topics/{topic}](./put_projects_project_topics_topic_cloud_createtopic) | Create a topic |
| [DELETE /projects/{project}/topics/{topic}](./delete_projects_project_topics_topic_cloud_deletetopic) | Delete a topic |
| [POST /projects/{project}/topics/{topic}:publish](./post_projects_project_topics_topic_publish_cloud_publishmessages) | Publish messages |
| [GET /projects/{project}/subscriptions](./get_projects_project_subscriptions_cloud_listsubscriptions) | List subscriptions |
| [PUT /projects/{project}/subscriptions/{subscription}](./put_projects_project_subscriptions_subscription_cloud_createsubscription) | Create a subscription |
| [POST /projects/{project}/subscriptions/{subscription}:pull](./post_projects_project_subscriptions_subscription_pull_cloud_pullmessages) | Pull messages |
| [POST /projects/{project}/subscriptions/{subscription}:acknowledge](./post_projects_project_subscriptions_subscription_acknowledge_cloud_acknowledgemessages) | Acknowledge messages |

> Each endpoint has its own page with parameter details, an example
> `API Call` node configuration, and the response shape.