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


Postmark
⚙

HeyGen


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

JavaScript
⚙
AI Anthropic Claude 3
⚙

HeyGen
Trigger on Webhook
⚙

Postmark
⚙
⚙
Iterator
⚙
Webhook response


Save and Activate the Scenario
After configuring Postmark, HeyGen, 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 HeyGen integration works as expected. Depending on your setup, data should flow between Postmark and HeyGen (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 HeyGen
Postmark + Google Sheets + HeyGen: When a new email bounce is detected in Postmark, the data is added to a Google Sheet. HeyGen then generates a personalized video based on the bounce reason and the recipient's details from the sheet.
Airtable + Postmark + HeyGen: When a new record is added to Airtable, a personalized email is sent via Postmark using the data from the record. If the email is not opened after a certain period, HeyGen generates a personalized video to resend the message.
Postmark and HeyGen 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.
Similar apps
Related categories

About HeyGen
Use HeyGen in Latenode to automate personalized video creation. Generate videos from data (CRM leads, spreadsheets) and auto-post to social media or send via email. Create scalable workflows without code, use JS for fine-tuning, and track versions to manage video assets efficiently.
Similar apps
Related categories
See how Latenode works
FAQ Postmark and HeyGen
How can I connect my Postmark account to HeyGen using Latenode?
To connect your Postmark account to HeyGen 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 HeyGen accounts by providing the necessary permissions.
- Once connected, you can create workflows using both apps.
Can I automate personalized video emails using Postmark and HeyGen?
Yes, you can! Latenode's visual editor simplifies this. Trigger HeyGen video creation from Postmark events, delivering highly personalized email campaigns effortlessly.
What types of tasks can I perform by integrating Postmark with HeyGen?
Integrating Postmark with HeyGen allows you to perform various tasks, including:
- Automatically generate video greetings for new Postmark subscribers.
- Create personalized thank you videos after a Postmark purchase.
- Send video updates to customers based on Postmark delivery events.
- Trigger HeyGen video creation when Postmark email bounces occur.
- Automate video reminders for upcoming Postmark-scheduled events.
How does Latenode enhance Postmark's email automation capabilities?
Latenode adds advanced logic, AI, and integrations, going beyond standard Postmark, enabling complex video-based automation workflows for richer customer engagement.
Are there any limitations to the Postmark and HeyGen integration on Latenode?
While the integration is powerful, there are certain limitations to be aware of:
- Complex video rendering may consume significant HeyGen processing time.
- Large email volumes via Postmark can trigger HeyGen API rate limits.
- Custom JavaScript code requires technical expertise for advanced scenarios.