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

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

OpenPhone
Configure the OpenPhone
Click on the OpenPhone node to configure it. You can modify the OpenPhone 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 OpenPhone 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 OpenPhone 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 OpenPhone 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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Postmark
Trigger on Webhook
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OpenPhone
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Webhook response

Save and Activate the Scenario
After configuring OpenPhone, 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 OpenPhone and Postmark integration works as expected. Depending on your setup, data should flow between OpenPhone 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 OpenPhone and Postmark
OpenPhone + Postmark + Slack: When a call is missed in OpenPhone, and Postmark sends an email in response (e.g., an automated reply), a notification is sent to a Slack channel.
Postmark + OpenPhone + Google Sheets: Whenever a Postmark email bounce occurs and an OpenPhone call is registered, log both the email bounce details and the call information in a Google Sheet for analysis.
OpenPhone and Postmark integration alternatives
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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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 OpenPhone and Postmark
How can I connect my OpenPhone account to Postmark using Latenode?
To connect your OpenPhone account to Postmark on Latenode, follow these steps:
- Sign in to your Latenode account.
- Navigate to the integrations section.
- Select OpenPhone and click on "Connect".
- Authenticate your OpenPhone and Postmark accounts by providing the necessary permissions.
- Once connected, you can create workflows using both apps.
Can I send SMS via OpenPhone upon Postmark email failure?
Yes, you can! Latenode’s visual editor simplifies this automation. Get real-time notifications via SMS, improving communication and ensuring prompt issue resolution.
What types of tasks can I perform by integrating OpenPhone with Postmark?
Integrating OpenPhone with Postmark allows you to perform various tasks, including:
- Send SMS confirmations after successful email delivery.
- Log OpenPhone call data to a database via email reports.
- Trigger email campaigns based on OpenPhone call outcomes.
- Send email alerts for missed OpenPhone calls via Postmark.
- Automatically update CRM contacts with call and email data.
Can I use JavaScript to customize OpenPhone interactions on Latenode?
Yes! Latenode’s JavaScript blocks allow advanced customization of OpenPhone workflows. Tailor your communications with code for unique scenarios.
Are there any limitations to the OpenPhone and Postmark integration on Latenode?
While the integration is powerful, there are certain limitations to be aware of:
- Rate limits of OpenPhone and Postmark APIs still apply.
- Complex data transformations may require custom JavaScript code.
- Initial setup requires understanding of both OpenPhone and Postmark APIs.