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

Cal.com
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Vapi

Authenticate Vapi
Now, click the Vapi node and select the connection option. This can be an OAuth2 connection or an API key, which you can obtain in your Vapi settings. Authentication allows you to use Vapi through Latenode.
Configure the Cal.com and Vapi 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 Vapi 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
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AI Anthropic Claude 3
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Vapi
Trigger on Webhook
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Cal.com
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Iterator
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Webhook response

Save and Activate the Scenario
After configuring Cal.com, Vapi, 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 Vapi integration works as expected. Depending on your setup, data should flow between Cal.com and Vapi (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 Vapi
Cal.com + Vapi + Google Sheets: When a new booking is made in Cal.com, Vapi generates a meeting summary after the meeting concludes. This summary, along with booking details, is then added as a new row to a Google Sheet for reporting and tracking purposes.
Cal.com + Vapi + Slack: When a meeting booked via Cal.com concludes, Vapi generates a meeting summary. This summary is then sent as a notification to a designated Slack channel, keeping the team informed of key meeting outcomes.
Cal.com and Vapi 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 Vapi
Use Vapi in Latenode to validate and standardize address data. Ensure accurate deliveries and prevent errors by cleaning addresses directly within your workflows. Vapi integration inside Latenode makes data cleaning repeatable and scalable without extra coding. Automate address verification as part of lead gen, order processing, or CRM upkeep.
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See how Latenode works
FAQ Cal.com and Vapi
How can I connect my Cal.com account to Vapi using Latenode?
To connect your Cal.com account to Vapi 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 Vapi accounts by providing the necessary permissions.
- Once connected, you can create workflows using both apps.
Can I automatically call attendees after a Cal.com booking?
Yes, you can! With Latenode, trigger Vapi calls when a Cal.com event is booked, confirming details or sending reminders. This saves time and improves customer engagement.
What types of tasks can I perform by integrating Cal.com with Vapi?
Integrating Cal.com with Vapi allows you to perform various tasks, including:
- Send automated SMS reminders before Cal.com appointments.
- Make follow-up calls to Cal.com meeting attendees for feedback.
- Automatically update contact information in Vapi after a Cal.com booking.
- Trigger personalized Vapi voice messages based on Cal.com event type.
- Create a Vapi call when a Cal.com booking is canceled or rescheduled.
Can I use JavaScript to customize the Cal.com/Vapi integration?
Yes! Latenode lets you add custom JavaScript code to tailor the Cal.com and Vapi integration to your specific needs, unlocking advanced workflow logic.
Are there any limitations to the Cal.com and Vapi integration on Latenode?
While the integration is powerful, there are certain limitations to be aware of:
- Complex Vapi call flows might require advanced JavaScript knowledge.
- Rate limits on Cal.com and Vapi APIs may impact high-volume workflows.
- Real-time updates depend on the responsiveness of Cal.com and Vapi APIs.