How to connect 123FormBuilder and Postmark
Create a New Scenario to Connect 123FormBuilder 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 123FormBuilder, triggered by another scenario, or executed manually (for testing purposes). In most cases, 123FormBuilder or Postmark will be your first step. To do this, click "Choose an app," find 123FormBuilder or Postmark, and select the appropriate trigger to start the scenario.

Add the 123FormBuilder Node
Select the 123FormBuilder node from the app selection panel on the right.

123FormBuilder
Configure the 123FormBuilder
Click on the 123FormBuilder node to configure it. You can modify the 123FormBuilder 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 123FormBuilder 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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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 123FormBuilder 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 123FormBuilder 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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Webhook response

Save and Activate the Scenario
After configuring 123FormBuilder, 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 123FormBuilder and Postmark integration works as expected. Depending on your setup, data should flow between 123FormBuilder 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 123FormBuilder and Postmark
123FormBuilder + Postmark + Google Sheets: When a new submission is received in 123FormBuilder, a confirmation email is sent via Postmark to the submitter, and the submission data is added as a new row in a Google Sheet.
123FormBuilder + Postmark + Slack: When a new submission is received through 123FormBuilder, an email is sent via Postmark, and a notification is sent to a designated Slack channel.
123FormBuilder and Postmark integration alternatives
About 123FormBuilder
Streamline data collection by connecting 123FormBuilder to Latenode. Automatically trigger workflows when forms are submitted. Route form data to CRMs, databases, or email marketing tools. Use Latenode to validate entries, calculate scores, and manage follow-ups — automating processes with a no-code, scalable workflow.
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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 123FormBuilder and Postmark
How can I connect my 123FormBuilder account to Postmark using Latenode?
To connect your 123FormBuilder account to Postmark on Latenode, follow these steps:
- Sign in to your Latenode account.
- Navigate to the integrations section.
- Select 123FormBuilder and click on "Connect".
- Authenticate your 123FormBuilder and Postmark accounts by providing the necessary permissions.
- Once connected, you can create workflows using both apps.
Can I send personalized emails after form submission?
Yes, easily! With Latenode, trigger Postmark to send customized emails upon form submission. Use our AI blocks to personalize content dynamically and ensure timely, relevant communication.
What types of tasks can I perform by integrating 123FormBuilder with Postmark?
Integrating 123FormBuilder with Postmark allows you to perform various tasks, including:
- Send welcome emails upon successful form submission.
- Notify administrators of urgent form responses via email.
- Automatically add form data to personalized email templates.
- Create email lists from 123FormBuilder submission data.
- Trigger transactional emails based on form field criteria.
What data from 123FormBuilder can I use in Postmark emails?
You can use any data submitted through your 123FormBuilder form. Latenode’s data mapping allows precise control over integrating form fields into email content.
Are there any limitations to the 123FormBuilder and Postmark integration on Latenode?
While the integration is powerful, there are certain limitations to be aware of:
- Complex conditional logic may require JavaScript coding.
- Large file attachments from 123FormBuilder forms may impact Postmark sending limits.
- Rate limits on either 123FormBuilder or Postmark can affect workflow execution speed.