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Let's Calendar Integrations

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Put Let's Calendar to work with AI and enterprise-grade automation

Automate smarter with Let's Calendar and scale with confidence. Zapier is built for enterprise-grade security, compliance, and performance.

Start free with email
Start free with email
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  • Full audit trails and controls
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  • 9,000+ apps, 450+ AI tools
  • Free tier available
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Or pick an app to pair with
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Integrate Demio with Let's CalendarIntegrate Demio with Let's Calendar
Demio
Webinars
Integrate HubSpot with Let's CalendarIntegrate HubSpot with Let's Calendar
HubSpot
Marketing Automation
Integrate Airmeet with Let's CalendarIntegrate Airmeet with Let's Calendar
Airmeet
Event Management
Integrate Google Sheets with Let's CalendarIntegrate Google Sheets with Let's Calendar
Google Sheets
Google, Spreadsheets
Integrate Gravity Forms with Let's CalendarIntegrate Gravity Forms with Let's Calendar
Gravity Forms
Forms & Surveys, WordPress
Integrate WooCommerce with Let's CalendarIntegrate WooCommerce with Let's Calendar
WooCommerce
eCommerce, WordPress
Integrate Brevo with Let's CalendarIntegrate Brevo with Let's Calendar
Brevo
Email Newsletters
Integrate Calendly with Let's CalendarIntegrate Calendly with Let's Calendar
Calendly
Scheduling & Booking
Integrate Kajabi with Let's CalendarIntegrate Kajabi with Let's Calendar
Kajabi
eCommerce
Integrate Demio with Let's CalendarIntegrate Demio with Let's Calendar
Demio
Webinars
Integrate HubSpot with Let's CalendarIntegrate HubSpot with Let's Calendar
HubSpot
Marketing Automation
Integrate Airmeet with Let's CalendarIntegrate Airmeet with Let's Calendar
Airmeet
Event Management
Integrate Google Sheets with Let's CalendarIntegrate Google Sheets with Let's Calendar
Google Sheets
Google, Spreadsheets
Integrate Gravity Forms with Let's CalendarIntegrate Gravity Forms with Let's Calendar
Gravity Forms
Forms & Surveys, WordPress
Integrate WooCommerce with Let's CalendarIntegrate WooCommerce with Let's Calendar
WooCommerce
eCommerce, WordPress
Integrate Demio with Let's CalendarIntegrate Demio with Let's Calendar
Demio
Webinars
Integrate HubSpot with Let's CalendarIntegrate HubSpot with Let's Calendar
HubSpot
Marketing Automation
Integrate Airmeet with Let's CalendarIntegrate Airmeet with Let's Calendar
Airmeet
Event Management
Integrate Google Sheets with Let's CalendarIntegrate Google Sheets with Let's Calendar
Google Sheets
Google, Spreadsheets
Integrate Gravity Forms with Let's CalendarIntegrate Gravity Forms with Let's Calendar
Gravity Forms
Forms & Surveys, WordPress
Integrate WooCommerce with Let's CalendarIntegrate WooCommerce with Let's Calendar
WooCommerce
eCommerce, WordPress
Integrate Brevo with Let's CalendarIntegrate Brevo with Let's Calendar
Brevo
Email Newsletters
Integrate Calendly with Let's CalendarIntegrate Calendly with Let's Calendar
Calendly
Scheduling & Booking
Integrate Kajabi with Let's CalendarIntegrate Kajabi with Let's Calendar
Kajabi
eCommerce

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Launch your first automated workflow

  • Add registrations to Let's Calendar campaigns from new Google Sheets rows

    • Google Sheets logo
    • Let's Calendar logo
    Google Sheets + Let's Calendar
  • Add new HubSpot contacts to Let's Calendar campaigns

    • HubSpot logo
    • Let's Calendar logo
    HubSpot + Let's Calendar
  • Add registrations to Let's Calendar campaigns from new Salesforce records

    Premium
    Details
    • Salesforce logo
    • Let's Calendar logo
    Salesforce + Let's Calendar
  • Add new registrations from GotoWebinar to Let's Calendar campaigns

    Premium
    Details
    • GoTo Webinar logo
    • Let's Calendar logo
    GoTo Webinar + Let's Calendar
  • Add new and/or updated attendees in Cvent to Let's Calendar campaigns

    • Cvent logo
    • Let's Calendar logo
    Cvent + Let's Calendar
  • Add registrations to Let's Calendar campaigns with new Microsoft Excel rows

    • Microsoft Excel logo
    • Let's Calendar logo
    Microsoft Excel + Let's Calendar
  • Add registrations to Let's Calendar campaigns from new Google Sheets rows

    • Google Sheets logo
    • Let's Calendar logo
    Google Sheets + Let's Calendar
  • Add new HubSpot contacts to Let's Calendar campaigns

    • HubSpot logo
    • Let's Calendar logo
    HubSpot + Let's Calendar
  • Add registrations to Let's Calendar campaigns from new Salesforce records

    Premium
    Details
    • Salesforce logo
    • Let's Calendar logo
    Salesforce + Let's Calendar
  • Add new registrations from GotoWebinar to Let's Calendar campaigns

    Premium
    Details
    • GoTo Webinar logo
    • Let's Calendar logo
    GoTo Webinar + Let's Calendar
  • Add new and/or updated attendees in Cvent to Let's Calendar campaigns

    • Cvent logo
    • Let's Calendar logo
    Cvent + Let's Calendar
  • Add registrations to Let's Calendar campaigns with new Microsoft Excel rows

    • Microsoft Excel logo
    • Let's Calendar logo
    Microsoft Excel + Let's Calendar
  • Add new HubSpot form submissions to Let's Calendar campaign registrations automatically

    • HubSpot logo
    • Let's Calendar logo
    HubSpot + Let's Calendar
  • Add new MailerLite subscribers to groups and create Let's Calendar campaign registrations

    • MailerLite logo
    • Let's Calendar logo
    MailerLite + Let's Calendar
  • Add new Zoom meeting registrants to campaigns in Let's Calendar

    • Zoom logo
    • Let's Calendar logo
    Zoom + Let's Calendar
  • Add new HubSpot contacts to campaign registrations in Let's Calendar

    • HubSpot logo
    • Let's Calendar logo
    HubSpot + Let's Calendar
  • Add new Zoom webinar registrants to Let's Calendar campaign as registrations

    • Zoom logo
    • Let's Calendar logo
    Zoom + Let's Calendar
  • Add new tagged contacts in Keap Max Classic to register for a campaign in Let's Calendar

    Premium
    Details
    • Let's Calendar logo
    • Keap Max Classic logo
    Let's Calendar + Keap Max Classic
    • Add new HubSpot form submissions to Let's Calendar campaign registrations automatically

      • HubSpot logo
      • Let's Calendar logo
      HubSpot + Let's Calendar
    • Add new MailerLite subscribers to groups and create Let's Calendar campaign registrations

      • MailerLite logo
      • Let's Calendar logo
      MailerLite + Let's Calendar
    • Add new Zoom meeting registrants to campaigns in Let's Calendar

      • Zoom logo
      • Let's Calendar logo
      Zoom + Let's Calendar
    • Add new HubSpot contacts to campaign registrations in Let's Calendar

      • HubSpot logo
      • Let's Calendar logo
      HubSpot + Let's Calendar
    • Add new Zoom webinar registrants to Let's Calendar campaign as registrations

      • Zoom logo
      • Let's Calendar logo
      Zoom + Let's Calendar
    • Add new tagged contacts in Keap Max Classic to register for a campaign in Let's Calendar

      Premium
      Details
      • Let's Calendar logo
      • Keap Max Classic logo
      Let's Calendar + Keap Max Classic

    Supported triggers and actions

    Zapier helps you create workflows that connect your apps to automate repetitive tasks. A trigger is an event that starts a workflow, and an action is an event a Zap performs.

      • Select Campaign ID
        Required
      • First Name
      • Last Name
      • Email ID
        Required
      • Login URL
      • User name
      • Password
      Action
      Write

    For builders

    Let your AI safely access Let's Calendar

    Go beyond Zap workflows. Install Zapier in your AI to call Let's Calendar actions directly from your agents—with governance built in. Authenticate once. Revoke access anytime.

    No code

    Call actions in natural language with Zapier MCP

    Act in Let's Calendar from your AI—no exposed credentials, and you control which actions your AI can touch. One install covers 9,000+ other apps.

    Example actions on this page

    • Add Registration to Campaign

    Works with

    Claude · ChatGPT · Cursor · Any MCP-compatible AI

    Install Zapier MCP
    Code

    Work in code with the Zapier SDK

    Expose Let's Calendar actions from backend services, scripts, or agent code. Zapier handles the OAuth and scoped permissions. Access 9,000+ apps, plus thousands more with .fetch().

    Install

    npm install @zapier/zapier-sdk
    npm install -D @zapier/zapier-sdk-cli
    zapier-sdk login
    # create a Let's Calendar connection @ https://zapier.com/app/assets/connections

    Run an action

    // Typescript
    import { createZapierSdk } from "@zapier/zapier-sdk";
    
    const zapier = createZapierSdk();
    
    const { data: connection } = await zapier.findFirstConnection({ app: "lets-calendar", owner: "me" });
    
    await zapier.runAction({
      app: 'lets-calendar',
      action: 'add_attendees',
      connection: connection.id,
      input: {
        {inputKeyValuePairs}
      },
    });
    Open the SDK docs

    Direct API calls to raw endpoints through fetch are not yet subject to org-level app and action restrictions.

    Let's Calendar Help & Support

    Common questions

    lets-calendar logo
    About Let's Calendar
    Let's Calendar - Automate Sending mass calendar invites for your events & webinars, and block recipients calendar automatically
    Related categories

    Popular Let's Calendar Integrations

    • Demio
    • HubSpot
    • Airmeet
    • Google Sheets
    • Gravity Forms