How to connect Postmark and Circle
Create a New Scenario to Connect Postmark and Circle
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 Postmark, triggered by another scenario, or executed manually (for testing purposes). In most cases, Postmark or Circle will be your first step. To do this, click "Choose an app," find Postmark or Circle, and select the appropriate trigger to start the scenario.

Add the Postmark Node
Select the Postmark node from the app selection panel on the right.


Postmark

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


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Circle


Authenticate Circle
Now, click the Circle node and select the connection option. This can be an OAuth2 connection or an API key, which you can obtain in your Circle settings. Authentication allows you to use Circle through Latenode.
Configure the Postmark and Circle 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 Postmark and Circle 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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Circle
Trigger on Webhook
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Postmark
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Webhook response


Save and Activate the Scenario
After configuring Postmark, Circle, 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 Postmark and Circle integration works as expected. Depending on your setup, data should flow between Postmark and Circle (or vice versa). Easily troubleshoot the scenario by reviewing the execution history to identify and fix any issues.
Most powerful ways to connect Postmark and Circle
Postmark + Circle + Slack: When a new email bounce is detected in Postmark, a notification is sent to a Slack channel to alert community members about potential email delivery issues affecting communication within the Circle community.
Circle + Airtable + Postmark: When a new member joins a Circle community, their information is automatically added to an Airtable database, and they receive a welcome email via Postmark.
Postmark and Circle integration alternatives

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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About Circle
Use Circle in Latenode to build thriving online communities. Automate member onboarding, content moderation, and engagement tracking. Trigger workflows based on Circle events, syncing data with CRMs or email tools. Scale community management without manual overhead, using Latenode’s no-code tools and custom logic.
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See how Latenode works
FAQ Postmark and Circle
How can I connect my Postmark account to Circle using Latenode?
To connect your Postmark account to Circle on Latenode, follow these steps:
- Sign in to your Latenode account.
- Navigate to the integrations section.
- Select Postmark and click on "Connect".
- Authenticate your Postmark and Circle accounts by providing the necessary permissions.
- Once connected, you can create workflows using both apps.
Can I trigger Circle community updates on Postmark email events?
Yes, you can! Latenode allows triggering Circle updates from Postmark events, keeping your community informed about email-related actions. Plus, use JavaScript for complex logic.
What types of tasks can I perform by integrating Postmark with Circle?
Integrating Postmark with Circle allows you to perform various tasks, including:
- Automatically notify Circle members of new email campaigns sent via Postmark.
- Create Circle posts when specific email events occur in Postmark (e.g., bounces).
- Add new Postmark subscribers as Circle members upon subscription confirmation.
- Send welcome emails through Postmark when users join a Circle community.
- Track email engagement from Postmark and post updates in a dedicated Circle channel.
HowdoesLatenodehandlePostmark’semailtemplateversions?
Latenode supports dynamic email template version selection using Postmark. Employ JavaScript to choose templates based on user attributes or custom logic.
Are there any limitations to the Postmark and Circle integration on Latenode?
While the integration is powerful, there are certain limitations to be aware of:
- Complex data transformations might require custom JavaScript code.
- Real-time synchronization depends on the polling interval of the workflow.
- Rate limits of both Postmark and Circle APIs apply.