Maximilian Lehmann
Head of Financial Services Adyen • Investor in tiun.
"tiun is the commercial stack that can replace most of your backend."
Pascal Mathis
Founder Get Your Guide • Investor in tiun.
"Everything else is a tool you add to your backend. tiun is the backend."
The commercial backend for SaaS, AI and Digital Products
The commercial backend for SaaS, AI and Digital Products
One system for authentication, payments, and customer data that replaces single-point tools.
Trusted by 300+ teams and operators
Authentication
Every sign up, login, and logout flow pre-built and ready to drop in.
Authentication
Every sign up, login, and logout flow pre-built and ready to drop in.
Payments
Accept one-time payments, subscriptions, and usage-based billing from day one.
Payments
Accept one-time payments, subscriptions, and usage-based billing from day one.
Customer database
Every user, transaction, and session stored in one place. No syncing between tools.
Customer database
Every user, transaction, and session stored in one place. No syncing between tools.
Get started by creating your first product.
Create the product you want to sell and set your pricing. One-time, subscription, usage-based, or time-based — your call.
Pricing options
One-time Purchase
Charge a single upfront payment for your product or service.
One-time Purchase
Charge a single upfront payment for your product or service.
Subscriptions
Bill your customers on a recurring basis — monthly, annual, or custom.
Subscriptions
Bill your customers on a recurring basis — monthly, annual, or custom.
Usage-based Billing
Charge based on what your customers actually use.
Usage-based Billing
Charge based on what your customers actually use.
Time-based Billing
Bill by the minute, hour, day, or any time period that fits your model.
Time-based Billing
Bill by the minute, hour, day, or any time period that fits your model.
Build login and checkout flows in minutes
Authentication and checkout always appear as overlays on your site. Your users never leave the page they're on.
Login flows
Sign up, login, and logout flows come pre-built and are ready to drop in.
Checkout flows
Login flows
Sign up, login, and logout flows come pre-built and are ready to drop in.
Checkout flows
Build login and checkout flows in minutes
Authentication and checkout always appear as overlays on your site. Your users never leave the page they're on.
Our self-service portal allows your customers to manage their account.
We deliver prebuilt components for your users to manage their subscription, update payment details, and download invoices.
Subscription management
Users can upgrade, downgrade, or cancel directly. No support ticket required.
Invoice history
Automated communications
Subscription management
Users can upgrade, downgrade, or cancel directly. No support ticket required.
Invoice history
Automated communications
Our self-service portal allows your customers to manage their account.
We deliver prebuilt components for your users to manage their subscription, update payment details, and download invoices.
Two ways to integrate
Pick the integration path that fits your workflow.
MCP Server
Connect tiun directly to your coding environment and integrate without touching your codebase manually.
Manual integration
MCP Server
Connect tiun directly to your coding environment and integrate without touching your codebase manually.
Manual integration
Two ways to integrate
Pick the integration path that fits your workflow.
AI-native analytics, built in from day one.
Every user lands in one database from day one — auth, billing, and session data all linked in a single dashboard. Query it all in plain language, so you never build blind again.
Ask anything
Query revenue trends, cohorts, and engagement in plain language. No SQL, no data team required.
Ask anything
Query revenue trends, cohorts, and engagement in plain language. No SQL, no data team required.
Session and event tracking
Understand how users move through your product. Every login, purchase, and interaction is logged.
Session and event tracking
Understand how users move through your product. Every login, purchase, and interaction is logged.
Merchant of Record
Merchant of Record
Payments, compliance, payouts. All handled.
tiun processes your payments, acts as your Merchant of Record, and pays out monthly. Tax compliance, and chargebacks included.
2.9% + 30¢
PER TRANSACTION
Cards and alternative payment methods
EUR, CHF and USD supported
Tax and VAT compliance included
Chargebacks and disputes handled
Monthly payouts with full accounting reports
Merchant of Record
Merchant of Record
Payments, compliance, payouts. All handled.
tiun processes your payments, acts as your Merchant of Record, and pays out monthly. Tax compliance, and chargebacks included.
2.9% + 30¢
PER TRANSACTION
Cards and alternative payment methods
EUR, CHF and USD supported
Tax and VAT compliance included
Chargebacks and disputes handled
Monthly payouts with full accounting reports
Merchant of Record
Merchant of Record
Payments, compliance, payouts. All handled.
tiun processes your payments, acts as your Merchant of Record, and pays out monthly. Tax compliance, and chargebacks included.
2.9% + 30¢
PER TRANSACTION
Cards and alternative payment methods
EUR, CHF and USD supported
Tax and VAT compliance included
Chargebacks and disputes handled
Monthly payouts with full accounting reports
Merchant of Record
Merchant of Record
Payments, compliance, payouts. All handled.
tiun processes your payments, acts as your Merchant of Record, and pays out monthly. Tax compliance, and chargebacks included.
2.9% + 30¢
PER TRANSACTION
Cards and alternative payment methods
EUR, CHF and USD supported
Tax and VAT compliance included
Chargebacks and disputes handled
Monthly payouts with full accounting reports
Secure and built to be trusted.
Closed source by design, production-grade since inception, and hosted entirely in Europe.
99.9%
Uptime since inception
Hosted in Europe
GDPR
GDPR Compliant
Case Studies
21% increase in paying users
Res Publica increased their user base by 21% in the last 12 months by introducing a usage-based billing with tiun.
140% increase in sign-ups
Over the last 6 months SHN turned transactions into relationships—driving 23× more paying users per month and 140% more newsletter sign-ups with tiun.
33× higher conversion rate at checkout
Ringier increased checkout conversion by 3,000% in an A/B test by introducing usage-based billing with tiun.
Case Studies
21% increase in paying users
Res Publica increased their user base by 21% in the last 12 months by introducing a usage-based billing with tiun.
140% increase in sign-ups
Over the last 6 months SHN turned transactions into relationships—driving 23× more paying users per month and 140% more newsletter sign-ups with tiun.
33× higher conversion rate at checkout
Ringier increased checkout conversion by 3,000% in an A/B test by introducing usage-based billing with tiun.
Case Studies
21% increase in paying users
Res Publica increased their user base by 21% in the last 12 months by introducing a usage-based billing with tiun.
140% increase in sign-ups
Over the last 6 months SHN turned transactions into relationships—driving 23× more paying users per month and 140% more newsletter sign-ups with tiun.
33× higher conversion rate at checkout
Ringier increased checkout conversion by 3,000% in an A/B test by introducing usage-based billing with tiun.
"Integrating tiun took our agency only a few hours. It was really easy."
Luan Gjokaj
Co-Founder at Riangle
We’ve got answers
We’ve got answers
What is tiun?
Why one stack?
How am I faster with tiun?
Do I still need Stripe?
What does Merchant of Record mean?
How are payouts made?
Why switch to tiun?
Why not just use Stripe?
Do you handle EU VAT reverse charge for B2B?
What about lock-in? Can I leave later?