Telegram and Max · booking, prepayment, reminders
Service booking in Telegram and Max
Booking is the most common bot request: salons, clinics, car services. Here the bot of a fictional barbershop calculates free time from each barber’s schedule and the service duration, holds the slot right after booking, takes a prepayment and sends visit reminders itself. You can book in a single phrase — “haircut and beard tomorrow evening with Artyom” — and the bot parses it and immediately offers suitable times.
Scenario: Britva Barbershop, Moscow — fictional: six services, three barbers with their own schedules, and some slots already taken by other customers.
Open the demo
The bot replies in Russian: it was built for Russian-speaking customers. Example phrases come with translations.
Don’t enter real personal data: this is a demo, and everything is deleted after 24 hours.
What the demo shows
How to try it
Book in one phrase
Write “стрижка с бородой завтра вечером у Артёма” (haircut and beard tomorrow evening with Artyom) — the bot shows the free evening slots and a booking card.
Make a prepayment
The “Предоплата 500 ₽” (Prepay ₽500) button under the booking. Test card 1111 1111 1111 1026, any future expiry date, CVC 000.
Wait for the reminder
A minute later a reminder arrives with “I’ll come”, “Reschedule” and “Cancel” buttons — in a production bot, 24 hours and 2 hours before the visit.
Look at the schedule
“Как видит администратор” (As the administrator sees it) under the booking, or /admin: barbers’ availability in 30-minute steps, your booking in green.
What to write
- Стрижка с бородой завтра вечером у АртёмаHaircut and beard tomorrow evening with Artyom
- Побриться в субботу в 14:00A shave on Saturday at 2 pm
- Сына подстричь послезавтраA haircut for my son the day after tomorrow
- К Илье на бороду в пятницу в 7 вечераBeard trim with Ilya on Friday at 7 pm
Commands
- /start
- start
- /book
- book with buttons
- /my
- my bookings
- /admin
- the schedule as the administrator sees it
- /about
- how the demo works
No paid neural networks
In a production project, the customer’s phrase is parsed by a language model with a strict JSON response — it understands any wording. In the demo, rules do the job instead: service words, barber names, weekdays, dates and times. The schedule, slots, prepayment, reminders and rescheduling work just as in production.
The demo runs without OpenAI, YandexGPT or GigaChat API keys. Wherever a production system calls a model, there’s a local stub with the same interface — so the demo is free, always available and never makes things up.
What a production project adds
- Schedule and bookings in YCLIENTS, Google Calendar, amoCRM or Bitrix24 via API
- Live prepayment via YooKassa or T-Bank with fiscal receipts (54-FZ) and refunds on cancellation
- Reminders 24 hours and 2 hours before, a review request after the visit, rebooking with the same barber
- A waiting list: when a slot frees up, the bot offers it to the next customer
- Phrase parsing by a language model and handing the conversation to the administrator
Stack
- All demos by stack:
- Python
- Telegram and Max
- Python 3.14
- aiogram
- Max Bot API
- Telegram Payments
- SQLAlchemy
- SQLite
Developer’s comment
Anton Goncharov
AI systems developer · Python
For business
- Customers book at night and on weekends, when the front desk isn’t answering — without calls or messaging.
- Prepayment and a reminder with a “Reschedule” button reduce no-shows: the customer frees up the time instead of just not coming.
- The front desk gets a notification about every booking and sees a schedule, not a chat history.
For developers
- Free time is calculated in 30-minute cells of the specialist’s schedule: a long service takes several cells in a row.
- Bot buttons carry the whole selection in callback data — service, specialist, day, time — so the scenario stores no drafts and survives a restart.
- The scenario is shared between Telegram and Max: adapters bring messages, buttons and payments to one model.
Tips
Tip 01
Check the slot again at confirmation time: while the customer was thinking, it could have been taken.
Tip 02
Store booking times in the salon’s time zone and service timestamps in UTC: that way there are no one-hour shifts.
Want the same for your business?
Tell me about your task — I’ll tell you what from the demo fits, how long it will take and what I’ll need from you.
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