Schedule appointments with your WhatsApp contacts

Mobile Calendar Integrated with WhatsApp

Schedule meetings with your WhatsApp contacts, with automated reminders and easy rescheduling all within WhatsApp. Perfect for those not yet using a calendar app.

How It Works

1: Choose the Callendar version that suits you best

Manage appointments, send reminders, and enable self-scheduling with WhatsApp. Use our fully integrated Mobile App or connect seamlessly to tools like Google Calendar, Calendly, HubSpot, or Zoom — all in one click.

2: Effortless Scheduling with WhatsApp

If you're using our Mobile App, simply schedule a meeting with your WhatsApp contacts, and they'll receive reminders with options to cancel or reschedule on their own. Alternatively, continue using your favorite appointment app, and Callendar will handle WhatsApp reminders and self-scheduling seamlessly.

3: Relax, No More No-Shows

Rest assured, your attendees will receive WhatsApp reminders and show up on time.

Frequently Asked Questions

This app allows you to easily schedule appointments with your WhatsApp contacts. Your invitees will receive reminders one day before and a few minutes before the meeting. Whether the meeting is in-person or online, invitees will be notified through their preferred channel: WhatsApp. Notifications include options to cancel or reschedule the appointment without leaving WhatsApp.

The WhatsApp notifications for meetings are sent from our available virtual WhatsApp numbers, most of which are provided by Meta.

Yes, you can use your own number, but please note that, according to Meta's rules, the number cannot be used simultaneously in the regular WhatsApp app. Onboarding a new number is also possible, and we provide this service in partnership with 360dialog.

No, Calendly only allows external integrations with paid versions. Currently, the minimum version required is the Standard plan.

For our Free and Standard versions, WhatsApp notifications are sent a few minutes before the meeting. In the Pro version, there are multiple notifications—one 24 hours before and another a few minutes before the meeting. The timing of both can be customized.

You will receive a WhatsApp notification when you reach your monthly limit. If you need more reminders, you'll receive instructions via WhatsApp on how to upgrade your account.

We understand. Since the WhatsApp API is a paid service, we cover the cost for the free reminders, along with server expenses, development, and more. We provide this service to thousands of happy users for free to help promote our service through word of mouth.

Absolutely. We use the official WhatsApp API as a Meta tech provider. We're also a partner of 360dialog, one of the largest Meta Business Solution Providers globally. Additionally, we are backed by our parent company, Xenio, which was founded by a team of former 360dialog employees. So yes, we are 100% official.

There are several good solutions available that enable WhatsApp reminders for Calendly meetings, Google Calendar Booking Page, HubSpot Meeting Scheduler and Zoom Meeting Scheduler through custom setups and automation. What sets our product apart is that our integration is truly plug-and-play. You don't need to worry about complicated setups—our integration is designed specifically for this purpose, making it simple and easy to implement with just a few clicks in minutes.

The number of reminders deducted per meeting depends on the version of the plan you choose. For example, if your plan includes 2 reminders for the invitee and 2 reminders for the host, each meeting will deduct 4 reminders from your monthly allowance. It's important to note that in some versions, you have the option to disable certain reminders, which can help you manage your reminder usage more efficiently.

No, HubSpot only allows Form custom fields with paid versions.

The integration connects your Calendly account or Google Calendar Booking Page or your HubSpot Meeting Scheduler account with WhatsApp to send automated reminders for scheduled events.

Schedule appointments with your WhatsApp contacts

From a Mobile Calendar App with WhatsApp Integration

to Bringing WhatsApp to Other Calendars and Appointment Apps.

Mobile Calendar Integrated with WhatsApp

Calendly Integration

HubSpot Meeting Scheduler

Google Calendar Booking Page

Zoom Meeting Scheduler

How It Works

1: Choose the Callendar version that suits you best

2: Effortless Scheduling with WhatsApp

3: Relax, No More No-Shows

Our Pricing Plans

Free

Standard

Pro

Watch How It Works

Frequently Asked Questions

Schedule appointments with your WhatsApp contacts

From a Mobile Calendar App with WhatsApp Integration

to Bringing WhatsApp to Other Calendars and Appointment Apps.

Mobile Calendar Integrated with WhatsApp

Calendly Integration

HubSpot Meeting Scheduler

Google Calendar Booking Page

Zoom Meeting Scheduler

How It Works

1: Choose the Callendar version that suits you best

2: Effortless Scheduling with WhatsApp

3: Relax, No More No-Shows

Trusted by WhatsApp Users Worldwide.

Our Clients and Partners:

Our Pricing Plans

Free

Standard

Pro

Watch How It Works

Frequently Asked Questions

How does this app work?

From which WhatsApp number are the reminders sent?

Can I use my own WhatsApp number to send automated reminders?

Does the Calendly integration work with any Calendly version, including the free one?

When are the WhatsApp reminders sent?

What happens if I reach my limit of reminders in the free tier?

Why does the free version only include a few WhatsApp reminders per month? I want more because I have more meetings each month.

Is Callendar using the official WhatsApp API?

Why should I choose this product instead of other solutions that allow me to integrate Calendly or Google Calendar or HubSpot Meeting scheduler with WhatsApp and create automations?

How is the quantity of reminders measured? Is it one reminder per meeting, or does each meeting deduct 2 or 4 reminders depending on the version?

Does the HubSpot Meeting Scheduler integration work with any HubSpot version, including the free one?

How does the integration work?