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Book a Court. Reserve a Table.
Pay Instantly.
SlotSync and OnePay are now connected. Every booking at a SlotSync venue is backed by OnePay's payment infrastructure, bringing instant confirmations, fast payouts, and smooth refund handling to sports venues and dining spaces across Sri Lanka.

Booking Without a Payment System Is Only Half a System
A lot of venues in Sri Lanka still handle bookings through WhatsApp messages and bank transfers. Someone messages to reserve a badminton court at 6pm, the venue confirms, then waits for a screenshot of a bank transfer that may or may not arrive before the slot.
It is slow. It is error-prone. And when a customer does not show up after promising to pay later, the venue loses both the booking revenue and the slot that could have gone to someone else.
SlotSync solves the booking side. OnePay solves the payment side. Together, they create a complete, modern reservation experience where a booking is only confirmed once payment is received, and both the venue and the customer have a digital record of it instantly.
"A confirmed booking that is not backed by a payment is just a promise. SlotSync and OnePay turn that promise into a transaction."
Built for Sports Courts, Dining Spaces, and Everything In Between
SlotSync is designed for any business that runs on scheduled bookings. OnePay's payment layer works the same way across all of them. Here are the venue types that benefit most from this integration.
Badminton Courts
Manage multiple courts, set peak and off-peak pricing, and collect court fees automatically at the time of booking. No more chasing payments on the day.
Squash and Racket Sports
Handle single and recurring bookings for squash courts and racket sport facilities. Members and walk-ins both pay through the same clean flow.
Multi-Sport Facilities
Tennis, cricket nets, swimming lanes, gym sessions. Any venue with multiple activity types and time slots can manage them all through one SlotSync dashboard.
Restaurants and Cafes
Take table reservations online with an optional deposit collected at booking. Reduce no-shows significantly and improve table utilisation for your front-of-house team.
Co-Working Spaces
Book meeting rooms, hot desks, and private office spaces by the hour or day. Payment is collected when the slot is reserved, not when the member walks in.
Wellness and Fitness Studios
Yoga classes, personal training sessions, wellness treatments. Structured booking and payment in one step for any appointment-based fitness business.
From Booking to Confirmed, in Under Two Minutes
The SlotSync and OnePay flow is designed to be fast for the customer and automatic for the venue. Here is what happens from the moment someone decides to book.
Customer selects a venue, date, and time slot
The SlotSync booking page shows real-time availability for all slots at the venue. The customer picks what they want and moves straight to payment. No calling ahead, no waiting for a WhatsApp reply.
Real-time availabilityOnePay Unified Checkout handles the payment
The customer pays by card (Visa, Mastercard, Amex), Google Pay, or a local wallet such as FriMi, QPlus, or HēlaPay. The checkout is secure, 3D protected, and optimised for mobile. The whole payment takes under 30 seconds.
10+ payment methodsBoth customer and venue receive instant confirmation
The moment payment completes, the booking is locked. The customer receives a digital confirmation with all booking details. The venue sees the booking appear in the SlotSync dashboard in real time. The slot is marked unavailable to other customers immediately.
Instant confirmationRevenue settles to the venue's bank account
OnePay settles payment revenue directly to the venue's registered bank account on a T+2 schedule. Two working days after each transaction, the funds arrive via CEFT transfer. No manual reconciliation. No chasing individual payment confirmations.
T+2 settlementRefunds are handled cleanly if a booking is cancelled
When a cancellation qualifies for a refund under the venue's policy, OnePay processes it to the customer's original payment method. Refunds typically reach the customer within 3 to 5 working days. The venue's cancellation policy determines eligibility; the payment infrastructure handles execution.
Automated refund handlingManaging Bookings Before and After SlotSync x OnePay
This is what the booking management experience looks like for most Sri Lankan sports venues and restaurants today, and what it looks like once SlotSync and OnePay are running together.
- Bookings managed through WhatsApp messages
- Customers pay via bank transfer and send screenshots
- Staff manually reconcile payments every evening
- Double bookings happen when slots are not updated in time
- No-shows are common because there is no payment upfront
- Refunds require manual bank processes and take days to organise
- Revenue data is scattered across multiple apps and spreadsheets
- Bookings made online in real time with live availability
- Payment collected automatically at booking via card or wallet
- Revenue dashboard updated instantly after every transaction
- Double bookings eliminated by real-time slot locking
- No-shows reduced significantly because customers have already paid
- Refunds processed automatically through OnePay to original method
- Full payment and booking history in one dashboard
What OnePay Brings to Every SlotSync Booking
OnePay is not just a payment button at checkout. It is a full payment infrastructure layer that handles everything from the moment a customer taps "confirm" to the moment revenue lands in your bank account.
Every booking payment confirms in real time. Both the customer and venue see confirmation the moment the transaction completes. No waiting. No uncertainty about whether the payment went through.
Revenue from booking payments settles to the venue's bank account within two working days via CEFT transfer. Predictable, automatic, and with no manual action required from the venue team.
Cancellation refunds are processed through OnePay back to the customer's original payment method. The venue does not need to manage manual bank transfers for refunds. OnePay handles the execution automatically.
Sports venues and restaurants in tourist areas can accept bookings from international guests paying in USD, GBP, EUR, AUD, JPY, and 5 other currencies. The same checkout handles them all.
Visa, Mastercard, Amex, Diners, UnionPay, Google Pay, FriMi, QPlus, and HēlaPay all appear on the same checkout page. Customers pay with whatever they have. Venues do not need to manage multiple payment accounts.
All card payments through OnePay are 3D Secure protected as standard. Customers complete OTP verification for every booking payment, reducing fraud and protecting both the customer and the venue.
Every payment made through SlotSync is recorded instantly in the OnePay merchant dashboard. Venue operators can see revenue by day, by slot, and by payment method without needing a separate accounting tool.
Every booking payment generates a complete digital record with transaction ID, amount, customer reference, and timestamp. Full audit trail with no manual data entry required from the venue side.
The Venue and Business Types That Gain the Most
Indoor Sports Venues
Badminton clubs, squash centres, table tennis halls, and multi-court facilities managing peak-hour demand and regular player bookings. Payment upfront eliminates no-shows and simplifies court management.
Restaurants and Fine Dining
Restaurants that take reservations and want to reduce no-shows with an optional deposit at booking. Especially valuable for fixed-price dinners, tasting menus, and special event dining where lost reservations are costly.
Hotel Recreational Facilities
Hotel sports facilities, pool access bookings, and resort activity scheduling. Enables hotels to monetise recreational assets with a structured online booking and payment system without building a custom solution.
Gyms and Fitness Centres
Class bookings, personal training sessions, and equipment time slots. Members and walk-in customers pay when they book, reducing the burden on reception staff and improving scheduling accuracy.
Wellness and Day Spa Centres
Treatment bookings, package reservations, and group wellness sessions. Deposits collected at the time of booking protect revenue from last-minute cancellations without needing a separate payment system.
Co-Working and Event Spaces
Hourly and daily room bookings for meeting rooms, private offices, and event spaces. Payment at booking removes the need for front desk check-in payments and makes remote access bookings viable.
For Venues With International Visitors
If your venue attracts tourists or expats, OnePay's multi-currency support through SlotSync means international guests can book and pay in their own currency without currency conversion complications on their side. A guest from Germany booking a padel court or a table at your restaurant pays in euros; you receive the settlement in LKR at the prevailing rate. The checkout handles the conversion automatically.
Frequently Asked Questions
Does my venue need an existing OnePay account to use SlotSync?
Yes. To accept payments through SlotSync, your venue needs an active OnePay merchant account. Setting one up is straightforward and typically takes two to five business days for verification. Once your OnePay account is active, the connection to SlotSync is configured during your SlotSync onboarding.
How quickly do booking payments reach our bank account?
OnePay settles on a T+2 schedule for most card and wallet payments. This means two working days after a transaction is processed, the funds are transferred to your registered bank account via CEFT. American Express follows a T+3 schedule. You can view your upcoming settlement schedule in the OnePay merchant dashboard at any time.
What happens when a customer cancels a booking and wants a refund?
Refund eligibility is determined by your venue's cancellation policy, which you configure in SlotSync. When a cancellation qualifies for a refund, OnePay processes it back to the customer's original payment method automatically. Standard refund processing takes 3 to 5 working days. The venue does not need to initiate any manual bank transfer for the refund.
Can international guests book and pay in their own currency?
Yes. OnePay supports 10 currencies including USD, GBP, EUR, AUD, and JPY. International guests booking through SlotSync can pay in their preferred currency using an international card. Settlement to your venue bank account is in LKR at the prevailing exchange rate.
Is the booking payment secure for our customers?
Yes. Every payment through OnePay is 3D Secure protected. Customers complete OTP verification as part of every card transaction, which protects against unauthorised card use. OnePay is ISO 27001 certified, meaning its security management has been independently audited against international standards.
Ready to Bring Your Venue Online?
SlotSync handles your bookings. OnePay handles your payments. Together they give your venue the infrastructure it needs to grow without adding to your admin workload.
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