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

Cal.com
⚙
ZeroBounce
Authenticate ZeroBounce
Now, click the ZeroBounce node and select the connection option. This can be an OAuth2 connection or an API key, which you can obtain in your ZeroBounce settings. Authentication allows you to use ZeroBounce through Latenode.
Configure the Cal.com and ZeroBounce 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 ZeroBounce 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
⚙
ZeroBounce
Trigger on Webhook
⚙
Cal.com
⚙
⚙
Iterator
⚙
Webhook response
Save and Activate the Scenario
After configuring Cal.com, ZeroBounce, 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 ZeroBounce integration works as expected. Depending on your setup, data should flow between Cal.com and ZeroBounce (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 ZeroBounce
Cal.com + ZeroBounce + HubSpot: When a new booking is made in Cal.com, the associated email is validated using ZeroBounce. If the email is valid, a new contact is created in HubSpot.
ZeroBounce + Cal.com + Slack: When ZeroBounce flags an email as invalid, this automation cancels the corresponding appointment in Cal.com and sends a notification via Slack.
Cal.com and ZeroBounce 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.
Similar apps
Related categories
About ZeroBounce
Use ZeroBounce in Latenode to automatically validate email addresses in your workflows. Stop sending emails to invalid addresses and improve deliverability. Integrate it with your CRM or forms to clean data on entry. Automate list hygiene and get better results by removing bounces, all within visual Latenode flows.
Similar apps
Related categories
See how Latenode works
FAQ Cal.com and ZeroBounce
How can I connect my Cal.com account to ZeroBounce using Latenode?
To connect your Cal.com account to ZeroBounce 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 ZeroBounce accounts by providing the necessary permissions.
- Once connected, you can create workflows using both apps.
Can I automatically verify new Cal.com booking emails?
Yes!Latenode enables automated email verification via ZeroBounce for each new Cal.com booking, ensuring higher deliverability & reducing bounce rates. Use no-code or custom JavaScript to process data.
What types of tasks can I perform by integrating Cal.com with ZeroBounce?
Integrating Cal.com with ZeroBounce allows you to perform various tasks, including:
- Verify email addresses collected through Cal.com bookings in real-time.
- Automatically remove invalid emails from marketing lists using ZeroBounce data.
- Trigger notifications for bookings with potentially risky or invalid emails.
- Enrich contact data gathered from Cal.com with ZeroBounce's validation results.
- Update user profiles in your CRM based on email verification status.
How does Latenode handle Cal.com event webhooks?
Latenode seamlessly processes Cal.com webhooks, triggering automated workflows based on booking events. Scale easily with built-in error handling and monitoring.
Are there any limitations to the Cal.com and ZeroBounce integration on Latenode?
While the integration is powerful, there are certain limitations to be aware of:
- ZeroBounce credits are required for email verification.
- The integration is limited by the API usage limits of both Cal.com and ZeroBounce.
- Complex data transformations might require custom JavaScript code in Latenode.