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WhatsApp-Native Booking Solution

Pay per bookings, not per clicks

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Our clients and partners

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From Click to Confirmed Appointment-All on WhatsApp

Qualify leads and book straight through WhatsApp—get more show-ups and fewer no-shows.

How it works

Callendar streamlines your entire Lead-to-Booking funnel, keeping everything Native to WhatsApp.

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01

Attract & Engage
with Ads:

Your Google and Meta click-to-WhatsApp campaigns bring in new leads directly to your business on WhatsApp. No distractions. No multi-stage funnels. Less ad spend, higher booking rates.

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02

AI-Powered
Qualification

Our intelligent AI assistant and in-app forms engage with incoming leads, answering questions and gathering essential information to qualify them in real-time, saving your team valuable time whilst increasing your overall bookings..

03

Seamless In-
App Booking

Leads can directly view your availability and book appointments within WhatsApp. No redirects to other apps or booking sites, encouraging leads to commit to their bookings.
Sync your own calendar, no double bookings.

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04

Automated Reminders & Management

Callendar sends automated WhatsApp reminders to boost show-up rates. All bookings instantly appear in your dedicated Callendar App (Desktop, iOS & Android) for easy management, and sync seamlessly with Google Calendar.

05

Relax, no
more no-shows

Rest assured — Callendar takes care of the follow-up so you don’t have to.

Your time is valuable, and missed appointments can be costly. With Callendar, automated WhatsApp reminders are sent at just the right moments — keeping your clients informed, engaged, and ready to show up. No more chasing confirmations or wondering if someone forgot.

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Build the perfect WhatsApp journey to qualify unknown leads into booked appointments.

Use our WhatsApp journey builder to qualify leads with forms, quick-reply buttons, rich media, and chat agents, turning unknown contacts into scheduled appointments.

Our sophisticated AI, combined with Callendar's native, interactive forms embedded directly within WhatsApp, is designed to qualify leads in real-time, supported by preset multiple choice user flows. It understands user intent, answers questions, gathers essential information, and ensures that only genuinely interested prospects proceed.

WhatsApp Chatbot Builder

Callendar: Your WhatsApp Appointment Solution

Our pricing plans

Starter 5 Bookings included per month

WhatsApp ChatBot Builder, Booking Appointment + Whatsapp Reminders, Mobile Calendar Manager App, Leads delivered via email, Email Support

$199

/month
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Advance 5 Bookings included per month

Everything in Starter plus:
WhatsApp Forms Builder, Custom Reminder Sequences, Google Calendar Integration, Lead Transfer via Webhooks.

$299

/month
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Ultimate 5 Bookings included per month

Everything in Starter and Advance plus:

Stripe Payment Integration

1 hour/month of expert support
(Additional hours available at an hourly rate).

Custom Chatbot Development
(hourly rate)

Priority WhatsApp Support

$499

/month
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Fees Per Booking

Only pay for confirmed bookings — the more you book, the less you pay.

Monthly Booking Volume Fee per Booking Example Total Cost
1–10 bookings $19 10 bookings = $190
11–50 bookings $15 25 bookings = $375
51+ bookings $12 60 bookings = $720

No multi-stage funnels. No landing pages. Just click to WhatsApp Bookings

Stop losing leads to web forms and landing pages. Callendar's WhatsApp-native booking initiates instant conversations - turning the usual 1-3 lead inquiries per 10 ad clicks into 8-9 confirmed bookings!

WhatsApp also becomes a long-term re-engagement channel, reducing retargeting ad spend while keeping your leads warm and responsive.

Start Now
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WhatsApp’s our favorite way to chat

We’re big fans of WhatsApp — it’s fast, simple, and lets us send way too many emojis. But if you’re more of a form-filler than a chatter, you’re in the right place. Drop us a line below and we’ll get back to you quicker than a double-tick turns blue.

Address

1111B S Governors Ave STE 6529 Dover, DE 19904, US

Business phone

(+1) 302 451-9190

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Frequently asked questions

Callendar is a WhatsApp-native appointment management solution designed to maximize ROI from your Google/Meta click-to-WhatsApp campaigns. It helps you pay per confirmed booking, not per clicks, by eliminating user churn through a seamless, in-WhatsApp booking funnel.

Callendar features an advanced WhatsApp Chatbot Builder that unifies WhatsApp forms and AI agents for exceptional lead qualification. This sophisticated AI interacts intelligently with incoming leads, understands user intent, answers questions, and ensures only genuinely interested prospects proceed to booking, saving your team time and resources.

Crucially, Callendar enables appointment scheduling entirely inside WhatsApp, powered by WhatsApp Flows. This WhatsApp-native booking funnel eliminates user churn that commonly occurs when users are redirected to external web pages or third-party appointment systems.

Callendar drives higher show-up rates thanks to automated, integrated WhatsApp reminders. These reminders directly reach your booked leads on their preferred communication channel, ensuring efforts translate into actual conversions and reduce no-shows.

Yes, Callendar provides a complete Calendar Management App available for both iOS and Android. This powerful mobile application allows your team to view, manage, and optimize all appointments on the go, offering a best-in-class unified experience.

Absolutely. Businesses have the flexibility to either adopt Callendar's calendar as their primary system or integrate it to seamlessly coexist with their existing Google Calendar and Calendly setups, ensuring a smooth workflow without disrupting current processes.

Callendar stands out by offering a 100% WhatsApp-native experience (no external links or apps), a conversational flow designed for sales-generated leads, an all-in-one booking and follow-up engine, and a performance-aligned pricing model. It's a working system specifically for appointment-based businesses, not just a generic toolset.

Traditional landing pages often overwhelm or under-explain, leading to abandonment. Callendar's automated WhatsApp flow feels like a natural conversation, offering a consultative experience that captures intent and allows leads to ask questions, ensuring only qualified prospects proceed. It's a conversation, not just a form.

Unlike platforms with flat monthly fees or high commissions, Callendar offers a performance-aligned pricing model. This typically includes a base fee for service provision and maintenance, with additional charges only for confirmed appointments (often with volume-based discounts). We only win when you do.

No, there are no client-side apps for your customers to download. Callendar is designed for zero learning curve for your team, operating seamlessly without complicated training or the need to hire additional reception staff for follow-ups. It just works, reducing your tech burden.

WhatsApp serves as a long-term, persistent communication channel, allowing your business to stay continuously connected with customers. Unlike email, which has varying open rates, WhatsApp boasts over 90% open rates, ensuring your important messages and reminders are seen. This direct engagement fosters higher conversion and re-engagement.

Callendar is engineered to maximize ROI from your Google/Meta "Click to WhatsApp" campaigns. By handling the entire journey—from lead qualification with AI agents and WhatsApp forms, to direct booking and automated reminders—all within WhatsApp, we eliminate user churn and ensure every click translates into a higher number of qualified leads and confirmed appointments.

ManyChat and SuperChat are generic multi-platform chatbot builders. Callendar's WhatsApp Chatbot Builder, however, is developed specifically and exclusively for the WhatsApp channel. This specialization allows for deeply native integrations with WhatsApp features, delivering an optimized experience that maximizes engagement and reduces churn specifically for appointment bookings.

Callendar is an entire platform engineered for comprehensive booking management within WhatsApp, not just a chatbot. It covers the full engagement loop: lead qualification, direct in-WhatsApp booking, automated reminders, aftercare messages, rebooking prompts, and robust calendar management via our iOS and Android app, all designed to reduce churn and boost attendance.

Our team comprises experts with years of experience working closely with Meta (formerly Facebook) and optimizing ad campaigns for both Meta and Google. We understand the nuances of digital advertising and leverage this expertise to ensure Callendar maximizes your return on ad spend by converting clicks into confirmed appointments.

Yes, our team has a proven track record of working side-by-side with some of the biggest Business Solution Providers (BSPs) in the world. We also have extensive experience collaborating with large, renowned brands across Europe and America on their Meta and Google ad strategies, bringing enterprise-level expertise to your appointment management.

Even if a lead doesn't book instantly, Callendar automatically re-engages them within WhatsApp. Our service keeps the conversation alive, captures intent, and can proactively notify your team if human intervention is needed. This allows for continuous nurturing and higher conversion over time, utilizing the persistent nature of the WhatsApp channel.

Yes, Callendar extends beyond just booking. It automates the entire engagement loop, including sending aftercare messages, requesting reviews, managing complaint resolution, and even prompting rebookings, all directly within WhatsApp. This helps you retain clients, upsell services, and turn them into loyal promoters effortlessly.

Our pricing model, which charges primarily for confirmed appointments (with volume-based discounts), means we only win when you do. This aligns our success directly with your conversions, offering a transparent and cost-effective alternative to platforms that charge flat monthly fees regardless of your actual booking performance.

Callendar is delivered as a working system specifically for appointment-based businesses, designed to remove all the setup and technical burden. You simply tell us about your services, and we handle the rest, offering a plug-and-play solution that delivers conversions without requiring extensive technical expertise or complicated configurations on your part.
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