Books outside phone hours entirely
A patient calling — or rather, booking — at 9pm gets the same live availability and instant confirmation as one booking during the clinic's open hours.
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In build
The whole team
Nineteen specialists, each with a defined job and an honest status label.
See all nineteenA service business can take bookings around the clock without a staff member answering the phone for every slot.
Works with
What it does
The owner defines their available time slots, service duration, and staff calendars, and Kuber embeds a booking widget on the site. Customers pick a free slot, and both the business and customer get a confirmation with the option to reschedule or cancel within a set window.
A physiotherapy clinic with one receptionist answering the phone loses a real booking every time two patients call within the same minute wanting the same 4pm slot, or a patient calls after hours and simply gives up when nobody answers — not because the clinic lacks demand, but because a phone line can only take one call at a time and only during the hours someone is sitting by it, waiting.
The appointment booking widget removes both limits at once, entirely. The owner defines available time slots, how long each service takes, and which staff member covers which calendar, and Kuber embeds a booking widget directly on the site. A patient picks a genuinely free slot at any hour, gets an immediate confirmation, and can reschedule or cancel within a window the clinic sets, all without a phone call ever happening at all.
Kuber runs this directly on the platforms your customers already use — no separate app for them to install.
How it works
The owner sets available time windows, how long each service type takes, and which staff member's calendar each service draws from, building the underlying structure the widget checks against every single time it is used.
A booking widget appears on the site itself, showing only genuinely open slots pulled live from the underlying calendars rather than a static list that might already be quietly out of date by the time it's viewed.
The moment a patient picks a slot, both the patient and the business receive a confirmation, with the slot locked immediately so it cannot be booked again by someone else moments later, at all, ever.
A patient can change or cancel their own booking up until a configured cutoff before the appointment, after which the slot is treated as committed and handled directly with the clinic instead, going forward from there.
Why it matters
A patient calling — or rather, booking — at 9pm gets the same live availability and instant confirmation as one booking during the clinic's open hours.
A slot locks the instant it's booked, removing the exact scenario where two patients calling within the same minute both believe they've secured the 4pm appointment.
Routine booking, rescheduling, and cancelling all happen through the widget itself, leaving phone time for whatever actually needs a person's real judgement and undivided attention instead.
The detail
The technical requirement that makes this capability trustworthy is an atomic slot lock at the moment of booking, not merely when the widget first displays availability. If two patients look at the same open 4pm slot and both tap to confirm within moments of each other, the system must guarantee only one booking succeeds — checking and locking the slot in one uninterruptible step — or both receive a confirmation for an appointment that can only hold one, a conflict the clinic discovers only when both show up.
No-shows are a cost this capability reduces but doesn't eliminate. A patient who books instantly, free of any commitment step, can just as easily skip as one who called and verbally committed, and a clinic finding no-shows a persistent problem may want a deposit or confirmation step layered on top, since the widget's convenience cuts both ways — easier booking also means an easier, lower-friction no-show. Reminder messages closer to the appointment time reduce this risk further but depend on the patient's contact details being accurate and current.
A clinic operating across more than one location introduces a scoping question easy to overlook until it causes a mix-up: if staff calendars aren't clearly separated by location, a slot shown as available might belong to a different branch's physiotherapist, or a booking made assuming one location's hours could conflict with another's schedule. Keeping each location's staff, hours, and calendar distinctly configured, rather than one shared calendar covering multiple sites, prevents this cross-location confusion before it reaches a patient.
Industry use cases
6 industries where Kuber applies this directly.
A car service center lists their repair packages with prices, lets customers book a slot for an oil change through the booking widget, and captures a lead form submission from someone asking about a specific part in stock.
See the automotive playbookA home-based cosmetics seller lists their skincare range with variant options for shade, accepts a UPI payment at checkout, and shares the same catalog as a WhatsApp link with a regular customer.
See the beauty and cosmetics playbookA freelance designer sets up a portfolio page with past project images, and a prospective client books an introductory call directly from the site's booking widget.
See the freelancers and consultants playbookA physiotherapy clinic lets patients book a session through the calendar widget, and the clinic issues a GST invoice for the consultation fee once payment is collected via UPI.
See the health and wellness playbookA small marketing agency publishes separate landing pages for each service line, and the SEO optimizer flags a missing meta description before the agency publishes a new page targeting local search traffic.
See the marketing agencies playbookA salon sets up individual stylist calendars in the booking widget, a client books a haircut slot with their preferred stylist, and both receive a reminder notification the day before the appointment.
See the spas and salons playbookMore from Kuber
The business gets a ready-to-edit website or storefront within minutes of describing what they sell, without hiring a designer.
Learn moreThe business owner can change text, images, colors, and layout on their own without writing code or waiting on a developer.
Learn moreThe business's website is reachable at their own branded domain (e.g., theirshop.in) instead of a generic subdomain.
Learn moreThe business's site and store stay online and load quickly for shoppers across India without the owner managing any servers.
Learn moreThe business can list everything they sell with correct prices, options, and stock counts in one place instead of juggling spreadsheets.
Learn moreA shopper can browse products, add them to a cart, and complete a purchase entirely on the business's own site.
Learn moreQuestions
The slot has to lock the instant one booking is confirmed, in a single uninterruptible step, so a second patient trying to confirm the same slot moments later sees it as already taken rather than getting a false confirmation of their own. This atomic check is specifically what prevents the double-booking mix-up a phone-only booking system has no equivalent safeguard against at all.
Only up to a cutoff window the clinic sets in advance — after that point, the appointment is treated as committed, and a change needs to be handled directly with the clinic rather than through the self-service widget itself. The clinic decides how generous or strict that cutoff should be, balancing patient flexibility against how much notice the clinic needs to usefully fill a cancelled slot.
It reduces the friction of booking, which on its own doesn't guarantee a patient shows up — an instant, low-commitment booking can be just as easy to skip as a phone-booked one, sometimes easier still. A clinic with a persistent no-show problem may want a deposit step or a confirmation requirement layered on top, since reducing booking friction and reducing no-shows are related but genuinely different problems to solve.
Only if the calendars aren't kept clearly separated by location during setup — each location's staff, hours, and calendar need to be configured as distinct from the others, rather than sharing one combined calendar across multiple physical sites at once. Keeping that separation deliberate at setup is what prevents a slot at one branch from ever appearing as available time at a different one.
The rest of your stack
No rip-and-replace — let customers book appointments online works alongside the systems already running your business.
Coming soon