How to connect Postmark and OpenPhone
Create a New Scenario to Connect Postmark and OpenPhone
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 OpenPhone will be your first step. To do this, click "Choose an app," find Postmark or OpenPhone, 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 OpenPhone Node
Next, click the plus (+) icon on the Postmark node, select OpenPhone from the list of available apps, and choose the action you need from the list of nodes within OpenPhone.


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

Save and Activate the Scenario
After configuring Postmark, OpenPhone, 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 OpenPhone integration works as expected. Depending on your setup, data should flow between Postmark and OpenPhone (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 OpenPhone
Postmark + OpenPhone + Slack: When a Postmark email bounces, retrieve the contact's phone number (if available) and use OpenPhone to call them, updating their contact information. Send a Slack notification to the team about the bounce and follow-up call.
OpenPhone + Postmark + HubSpot: After an OpenPhone call ends, log the call details as a new engagement in HubSpot. Then, send a Postmark email to the contact, summarizing the conversation using a predefined template.
Postmark and OpenPhone 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 OpenPhone
Use OpenPhone in Latenode to automate SMS and call workflows. Log activities, trigger actions based on call outcomes, and sync data to CRMs. By using Latenode, you orchestrate OpenPhone within complex workflows, adding logic and integrations not available in OpenPhone alone. Scale customer communication using no-code tools and AI.
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FAQ Postmark and OpenPhone
How can I connect my Postmark account to OpenPhone using Latenode?
To connect your Postmark account to OpenPhone 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 OpenPhone accounts by providing the necessary permissions.
- Once connected, you can create workflows using both apps.
Can I trigger outbound OpenPhone calls from new Postmark email events?
Yes, you can! With Latenode, automatically trigger OpenPhone calls when Postmark detects specific email events. This ensures immediate follow-up, improving customer engagement.
What types of tasks can I perform by integrating Postmark with OpenPhone?
Integrating Postmark with OpenPhone allows you to perform various tasks, including:
- Send SMS via OpenPhone for bounced Postmark emails.
- Create OpenPhone contacts from new Postmark email subscribers.
- Log Postmark email delivery failures as OpenPhone tasks.
- Update OpenPhone contacts with data from parsed Postmark emails.
- Trigger OpenPhone calls for critical Postmark email events.
How secure is my Postmark data when using Latenode integrations?
Latenode employs robust security measures, including encryption and access controls, safeguarding your Postmark data during integration and workflow execution.
Are there any limitations to the Postmark and OpenPhone integration on Latenode?
While the integration is powerful, there are certain limitations to be aware of:
- Complex data transformations may require JavaScript coding within Latenode.
- High-volume tasks are subject to Postmark and OpenPhone API rate limits.
- Real-time sync depends on Postmark and OpenPhone webhook availability.