How to connect Postmark and 123FormBuilder
Create a New Scenario to Connect Postmark and 123FormBuilder
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 123FormBuilder will be your first step. To do this, click "Choose an app," find Postmark or 123FormBuilder, 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 123FormBuilder Node
Next, click the plus (+) icon on the Postmark node, select 123FormBuilder from the list of available apps, and choose the action you need from the list of nodes within 123FormBuilder.


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Authenticate 123FormBuilder
Now, click the 123FormBuilder node and select the connection option. This can be an OAuth2 connection or an API key, which you can obtain in your 123FormBuilder settings. Authentication allows you to use 123FormBuilder through Latenode.
Configure the Postmark and 123FormBuilder 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 123FormBuilder 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, 123FormBuilder, 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 123FormBuilder integration works as expected. Depending on your setup, data should flow between Postmark and 123FormBuilder (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 123FormBuilder
123FormBuilder + Postmark + Google Sheets: Upon submission of a new form in 123FormBuilder, the automation sends a personalized email confirmation via Postmark. The submission data is then logged into a new row in a Google Sheet.
Postmark + 123FormBuilder + Slack: When an email bounce is detected in Postmark, the automation triggers the creation of a new form submission in 123FormBuilder, prompting for updated contact information. A notification is then sent to a designated Slack channel to alert the team.
Postmark and 123FormBuilder 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 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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See how Latenode works
FAQ Postmark and 123FormBuilder
How can I connect my Postmark account to 123FormBuilder using Latenode?
To connect your Postmark account to 123FormBuilder 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 123FormBuilder accounts by providing the necessary permissions.
- Once connected, you can create workflows using both apps.
Can I send custom emails upon form submission using Postmark and 123FormBuilder integration?
Yes, with Latenode, you can trigger personalized Postmark emails when a 123FormBuilder form is submitted. This ensures timely and relevant communication with your audience, improving engagement.
What types of tasks can I perform by integrating Postmark with 123FormBuilder?
Integrating Postmark with 123FormBuilder allows you to perform various tasks, including:
- Automatically sending confirmation emails after a form submission.
- Creating personalized welcome emails for new subscribers.
- Updating contact lists in Postmark based on form data.
- Triggering email sequences based on form responses.
- Sending internal notifications for high-priority form submissions.
Can I use JavaScript to transform data between Postmark and 123FormBuilder?
Yes, Latenode allows you to use JavaScript code blocks to manipulate data, making complex transformations between Postmark and 123FormBuilder easy.
Are there any limitations to the Postmark and 123FormBuilder integration on Latenode?
While the integration is powerful, there are certain limitations to be aware of:
- Complex data transformations may require advanced JavaScript knowledge.
- Rate limits from Postmark and 123FormBuilder still apply.
- File attachments from 123FormBuilder may require additional parsing.