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


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Authenticate Smsapi
Now, click the Smsapi node and select the connection option. This can be an OAuth2 connection or an API key, which you can obtain in your Smsapi settings. Authentication allows you to use Smsapi through Latenode.
Configure the Postmark and Smsapi 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 Smsapi 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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Save and Activate the Scenario
After configuring Postmark, Smsapi, 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 Smsapi integration works as expected. Depending on your setup, data should flow between Postmark and Smsapi (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 Smsapi
Postmark + Google Sheets + Smsapi: When a bounced email is detected in Postmark, the details are added to a Google Sheet. Then, Smsapi sends an SMS to the customer, prompting them to update their contact information.
Smsapi + HubSpot + Postmark: When a customer replies to an SMS message via Smsapi, their contact record in HubSpot is updated. A confirmation email is then sent to the customer via Postmark.
Postmark and Smsapi 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 Smsapi
Use Smsapi in Latenode to automate SMS notifications and alerts within your workflows. Send appointment reminders, order updates, or critical alerts automatically based on triggers from your apps. Unlike basic SMS integrations, Latenode allows you to customize messages with data transformations and conditional logic, ensuring relevant and timely communication for each user, scaling with your business needs.
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FAQ Postmark and Smsapi
How can I connect my Postmark account to Smsapi using Latenode?
To connect your Postmark account to Smsapi 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 Smsapi accounts by providing the necessary permissions.
- Once connected, you can create workflows using both apps.
Can I send SMS notifications for failed Postmark deliveries?
Yes, you can! Latenode allows you to trigger SMSapi messages based on Postmark delivery failures, ensuring critical alerts reach you instantly. This proactive approach improves response times and reduces potential downtime.
What types of tasks can I perform by integrating Postmark with Smsapi?
Integrating Postmark with Smsapi allows you to perform various tasks, including:
- Send SMS confirmations upon successful email delivery.
- Alert support teams of email bounce events via SMS.
- Implement two-factor authentication using email and SMS.
- Notify users of important account updates through both channels.
- Create a backup SMS notification system for critical email alerts.
HowdoIhandlePostmarkemailtemplateswithvariablesusingLatenode?
Latenode simplifies this by allowing you to dynamically populate Postmark templates with data from other apps, enriching communication using no-code blocks or JavaScript.
Are there any limitations to the Postmark and Smsapi integration on Latenode?
While the integration is powerful, there are certain limitations to be aware of:
- Attachment support via SMSapi may require external storage solutions.
- High SMS volumes can be affected by Smsapi's rate limits.
- Complex data transformations might necessitate JavaScript code.