● PRODUCTS

AI products that work for you.

Vertical solutions built in-house by Cardano Code Lab: frontier AI, cloud-native engineering, payments by design.

FEATURED PRODUCT

OK Agenda

The 24/7 AI receptionist for every kind of business.

The phone rings while you are with a customer or after hours. The AI picks up professionally, books the appointment and sends the confirmation. You open your calendar and find it already full.

Always on
24/7
AI response time
< 3s
No extra secretary cost
€0
Native compliance
GDPR
HOW IT WORKS

Live in less than 10 minutes.

No hardware, no technician, no complex integration. Just AI that works in your place.

01

Configure your business

Add services, hours and availability. The AI learns how your business runs in a few minutes.

02

Activate the AI receptionist

Forward your number to the AI or use a dedicated one. It answers professionally and books.

03

Work without interruptions

Every morning your calendar is already full and customers are confirmed. You just show up and work.

HOW IT WAS BUILT

A modern, scalable and compliant architecture.

OK Agenda is the essence of the Cardano Code Lab approach: vertical teams, cloud-native stack, frontier AI and security by design.

Next.js + TypeScript

Modern, server-rendered frontend optimised for SEO, speed and accessibility.

Real-time voice AI

Large Language Model paired with neural text-to-speech and natural interruption handling.

Google Cloud — Europe (Belgium)

Data resident in the EU, autoscaling and enterprise SLA. GDPR compliance guaranteed by design.

End-to-end encryption

TLS everywhere, vault-managed secrets, pseudonymisation of sensitive data and role-based access.

API-first & webhooks

Native integration with PMS, calendars, CRM and existing ERPs. Extendable in hours, not weeks.

24/7 observability

Logs, metrics, tracing and real-time alerts to guarantee uptime and conversational quality.

VERTICALS SERVED

One product, seven verticals.

OK Agenda adapts to every business with flows, prompts and payments tailored to your sector.

Dental & medical practices

Multi-room calendar, treatment kanban, deposits and Klarna instalments on high-ticket treatments.

Beauty & wellness

Salons, SPAs, nail studios, barbershops. Auto confirmations, lower no-shows, natural upselling.

Restaurants

Table bookings, live waitlist, deposits for groups, private events and tasting menus.

Professionals

Lawyers, accountants, psychologists. In-office or online appointments with instant Stripe payment.

Auto shops

Workshops, body shops, tyre fitters. Automatic bay routing, quotes via SMS, online deposits.

Venues & events

Wineries, museums, theatres, tours. Ticketing, time slots and QR check-in built-in.

OKCheckin · Hospitality

Hotels, B&Bs, farm stays. Digital check-in, pre-arrival deposit, upsell and police guest reporting.

PAYMENTS

Stripe inside OK Agenda: global payments in one click.

Thanks to the Stripe integration, OK Agenda collects deposits, balances and instalments across 45+ countries and 135+ currencies, with 30+ native payment methods.

Stripe integration

  • Stripe Connect: every business has its own linked account, payouts go directly to the merchant.
  • 3DS/SCA checkout compliant with PSD2, powered by Radar ML fraud prevention.
  • Deposits, balances, refunds, recurring payments and no-code payment links.
  • Automatic reconciliation in the calendar: every appointment is linked to the right payment.

Supported global payment methods

From cards to BNPL, in local currency. The customer chooses how to pay, OK Agenda gets paid.

Cards

Visa, Mastercard, American Express, Maestro, UnionPay, Discover.

Klarna

Pay in 3, in 30 days or finance up to 36 months. EU, UK and USA.

Apple Pay / Google Pay

1-tap checkout on mobile and web. Maximum conversion.

PayPal

PayPal balance, saved cards and buyer protection.

SEPA Direct Debit

Bank debit for deposits and recurring subscriptions.

Pay by Bank

Instant bank transfer via open banking, no card fees.

Satispay

Italian mobile payment via QR, zero checkout friction.

Bancontact

The #1 banking method in Belgium.

iDEAL

The #1 method in the Netherlands.

Giropay / Sofort

Instant online bank transfers in Germany and Austria.

Afterpay / Clearpay

BNPL for US, UK, Australia and New Zealand.

Alipay / WeChat Pay

Native payments for Chinese customers.

Klarna.

Klarna in focus

Offering instalments boosts conversion and average ticket. For dentists, beauty salons and restaurants Klarna is a real accelerator: the customer pays in instalments, you cash in now, credit risk stays with Klarna.

  • Pay in 3 interest-free instalments
  • Pay in 30 days
  • Financing up to 36 months (where available)
  • Credit risk and defaults handled by Klarna
PRICING

Clear pricing.

14 days free on every plan. No credit card required.

Free

To start with no commitment

0/month
  • Up to 50 appointments/month
  • Basic calendar
  • Email confirmations
  • Community support
Start free
MOST POPULAR

Professional

The most chosen by European businesses

29/month
  • Unlimited appointments
  • 24/7 AI Voice (add-on)
  • Automated SMS + Email
  • Monthly reports
  • 1 resource/room
Start 14-day free trial

Business

For practices with multiple resources or locations

50/month
  • Everything in Professional
  • Up to 10 resources/rooms
  • Multi-location
  • API access
  • Priority support
Start 14-day free trial
USE CASES

OK Agenda in action.

Concrete examples of how OK Agenda grows revenue, frees up time and cuts no-shows.

01

Dental practice, €50k/month revenue

On average the practice loses 3 calls a day. With OK Agenda 100% of calls are handled, Klarna deposits unlock higher-ticket treatments and no-shows drop by 60%.

02

Beauty salon open on Sundays

Clients book treatments 24/7. Stripe collects the deposit, Klarna splits €600 packages. The owner opens and finds the calendar full.

03

Restaurant with a packed Saturday night

OK Agenda manages the live waitlist, calls the next party when a table opens and collects deposits for 6+ guests bookings.

04

Law firm with paid first consultation

The AI qualifies the request, books a call with the right lawyer and collects the fee via Stripe instantly. Zero unpaid first-time client invoices.

05

Multi-bay auto shop

The phone no longer rings in vain while the mechanic is under the car. OK Agenda captures vehicle details, routes to the right bay and sends a quote via SMS.

06

B&B with OKCheckin

Fully digital check-in: guests upload documents, data is sent to police authorities, deposit and upsells are collected before arrival.

PARTNERS & TECHNOLOGY

The ecosystem that makes us reliable.

We partner with global tech leaders to deliver scalable, secure, and compliant solutions for European banks, fintechs, and businesses.

Google Cloud
Twilio
SendGrid
SUMSUB
BPC
Mastercard
Intercom
NEXGO
Anthropic
OpenAI
Google Cloud
Twilio
SendGrid
SUMSUB
BPC
Mastercard
Intercom
NEXGO
Anthropic
OpenAI
TRY IT NOW

Try OK Agenda free for 14 days.

No card required. No commitment. Activate it in 10 minutes and see the impact on your business.

READY TO START?

Let's talk about your next digital project.

A 30-minute call to see if we are the right partner for your AI, software or payments roadmap.