How to connect Google Cloud Pub\Sub and Postmark
Create a New Scenario to Connect Google Cloud Pub\Sub and Postmark
In the workspace, click the “Create New Scenario” button.

Add the First Step
Add the first node – a trigger that will initiate the scenario when it receives the required event. Triggers can be scheduled, called by a Google Cloud Pub\Sub, triggered by another scenario, or executed manually (for testing purposes). In most cases, Google Cloud Pub\Sub or Postmark will be your first step. To do this, click "Choose an app," find Google Cloud Pub\Sub or Postmark, and select the appropriate trigger to start the scenario.

Add the Google Cloud Pub\Sub Node
Select the Google Cloud Pub\Sub node from the app selection panel on the right.


Google Cloud Pub\Sub

Configure the Google Cloud Pub\Sub
Click on the Google Cloud Pub\Sub node to configure it. You can modify the Google Cloud Pub\Sub URL and choose between DEV and PROD versions. You can also copy it for use in further automations.
Add the Postmark Node
Next, click the plus (+) icon on the Google Cloud Pub\Sub node, select Postmark from the list of available apps, and choose the action you need from the list of nodes within Postmark.


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Postmark


Authenticate Postmark
Now, click the Postmark node and select the connection option. This can be an OAuth2 connection or an API key, which you can obtain in your Postmark settings. Authentication allows you to use Postmark through Latenode.
Configure the Google Cloud Pub\Sub and Postmark Nodes
Next, configure the nodes by filling in the required parameters according to your logic. Fields marked with a red asterisk (*) are mandatory.
Set Up the Google Cloud Pub\Sub and Postmark Integration
Use various Latenode nodes to transform data and enhance your integration:
- Branching: Create multiple branches within the scenario to handle complex logic.
- Merging: Combine different node branches into one, passing data through it.
- Plug n Play Nodes: Use nodes that don’t require account credentials.
- Ask AI: Use the GPT-powered option to add AI capabilities to any node.
- Wait: Set waiting times, either for intervals or until specific dates.
- Sub-scenarios (Nodules): Create sub-scenarios that are encapsulated in a single node.
- Iteration: Process arrays of data when needed.
- Code: Write custom code or ask our AI assistant to do it for you.

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AI Anthropic Claude 3
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Postmark
Trigger on Webhook
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Webhook response


Save and Activate the Scenario
After configuring Google Cloud Pub\Sub, Postmark, and any additional nodes, don’t forget to save the scenario and click "Deploy." Activating the scenario ensures it will run automatically whenever the trigger node receives input or a condition is met. By default, all newly created scenarios are deactivated.
Test the Scenario
Run the scenario by clicking “Run once” and triggering an event to check if the Google Cloud Pub\Sub and Postmark integration works as expected. Depending on your setup, data should flow between Google Cloud Pub\Sub and Postmark (or vice versa). Easily troubleshoot the scenario by reviewing the execution history to identify and fix any issues.
Most powerful ways to connect Google Cloud Pub\Sub and Postmark
Google Cloud Pub/Sub + Slack + Postmark: When a new message is received in a Google Cloud Pub/Sub topic, a notification is sent to a Slack channel. A summary email containing details from the Pub/Sub message is also sent via Postmark.
Postmark + Google Cloud Pub/Sub + Google Sheets: When a new email bounce event occurs in Postmark, the event data is published to a Google Cloud Pub/Sub topic. This data is then extracted from the Pub/Sub message and appended as a new row in a Google Sheet for analysis.
Google Cloud Pub\Sub and Postmark integration alternatives

About Google Cloud Pub\Sub
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About Postmark
Use Postmark in Latenode to automate transactional emails. Connect events from your apps to trigger personalized messages, like order confirmations or password resets. Benefit from Postmark’s deliverability, plus Latenode's visual workflow builder and flexible logic to filter events and enrich email data, ensuring accurate and timely communication.
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FAQ Google Cloud Pub\Sub and Postmark
How can I connect my Google Cloud Pub\Sub account to Postmark using Latenode?
To connect your Google Cloud Pub\Sub account to Postmark on Latenode, follow these steps:
- Sign in to your Latenode account.
- Navigate to the integrations section.
- Select Google Cloud Pub\Sub and click on "Connect".
- Authenticate your Google Cloud Pub\Sub and Postmark accounts by providing the necessary permissions.
- Once connected, you can create workflows using both apps.
Can I trigger emails from Pub/Sub messages?
Yes, you can! Latenode allows you to trigger Postmark emails directly from Google Cloud Pub\Sub messages, streamlining notifications and updates with no-code ease and advanced JavaScript control.
What types of tasks can I perform by integrating Google Cloud Pub\Sub with Postmark?
Integrating Google Cloud Pub\Sub with Postmark allows you to perform various tasks, including:
- Send email notifications based on specific Pub/Sub message content.
- Log Pub/Sub events by sending summaries via email.
- Automatically email reports generated from Pub/Sub data.
- Create alert systems for critical Pub/Sub events using email.
- Distribute Pub/Sub-driven updates to subscribers via email.
Can I filter Pub/Sub messages before triggering Postmark emails?
Yes. Latenode allows you to filter Pub/Sub messages using no-code blocks or JavaScript code, ensuring only relevant data triggers email sends.
Are there any limitations to the Google Cloud Pub\Sub and Postmark integration on Latenode?
While the integration is powerful, there are certain limitations to be aware of:
- Rate limits from both Google Cloud Pub/Sub and Postmark apply.
- Complex data transformations may require JavaScript coding.
- Integration depends on the stability of external APIs.