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

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

Cal.com
Add the Mailhook Node
Next, click the plus (+) icon on the Cal.com node, select Mailhook from the list of available apps, and choose the action you need from the list of nodes within Mailhook.

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Authenticate Mailhook
Now, click the Mailhook node and select the connection option. This can be an OAuth2 connection or an API key, which you can obtain in your Mailhook settings. Authentication allows you to use Mailhook through Latenode.
Configure the Cal.com and Mailhook 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 Cal.com and Mailhook 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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Trigger on Webhook
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Save and Activate the Scenario
After configuring Cal.com, Mailhook, 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 Cal.com and Mailhook integration works as expected. Depending on your setup, data should flow between Cal.com and Mailhook (or vice versa). Easily troubleshoot the scenario by reviewing the execution history to identify and fix any issues.
Most powerful ways to connect Cal.com and Mailhook
Cal.com + Mailhook + Google Sheets: When a new booking is made in Cal.com, the booking details are sent to Mailhook. Mailhook then triggers the addition of a new row in Google Sheets, logging the booking for reporting purposes.
Cal.com + Mailhook + Slack: When a new booking is made in Cal.com, the booking details are sent to Mailhook. Mailhook then triggers a notification in a specified Slack channel, alerting users of the new booking.
Cal.com and Mailhook integration alternatives
About Cal.com
Embed Cal.com in Latenode to automate meeting scheduling. Trigger flows based on booking events: send follow-up emails, update CRMs, or generate reports. Latenode adds advanced logic, data manipulation, and integrations Cal.com lacks natively, creating flexible, scalable scheduling workflows.
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About Mailhook
Use Mailhook in Latenode to instantly capture incoming emails and parse their contents into usable data. Trigger workflows on specific email events, like form submissions or order confirmations. Route parsed data to other apps, databases, or AI models for advanced processing. Automate email handling without code and scale as needed.
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See how Latenode works
FAQ Cal.com and Mailhook
How can I connect my Cal.com account to Mailhook using Latenode?
To connect your Cal.com account to Mailhook on Latenode, follow these steps:
- Sign in to your Latenode account.
- Navigate to the integrations section.
- Select Cal.com and click on "Connect".
- Authenticate your Cal.com and Mailhook accounts by providing the necessary permissions.
- Once connected, you can create workflows using both apps.
Can I automatically send personalized thank you emails after a Cal.com booking?
Yes, you can! Latenode's advanced workflow editor allows you to trigger customized Mailhook emails upon new Cal.com bookings, improving engagement.
What types of tasks can I perform by integrating Cal.com with Mailhook?
Integrating Cal.com with Mailhook allows you to perform various tasks, including:
- Send booking confirmations via Mailhook using Cal.com booking details.
- Create personalized email sequences based on Cal.com event types.
- Add Cal.com event details to Mailhook contact profiles automatically.
- Trigger internal notifications via Mailhook for new Cal.com bookings.
- Automatically unsubscribe users who cancel their Cal.com appointments.
HowsecureisCal.comauthenticationwithinLatenodeworkflows?
Latenode uses secure OAuth to connect to Cal.com, protecting your credentials. Data is encrypted in transit and at rest.
Are there any limitations to the Cal.com and Mailhook integration on Latenode?
While the integration is powerful, there are certain limitations to be aware of:
- Complex conditional logic may require JavaScript or AI block usage.
- Mailhook's sending limits still apply within the Latenode integration.
- Real-time synchronization depends on the API availability of both apps.