What is this website?
tiun is a unified backend for AI and SaaS teams that combines authentication, payments/settlement, a customer database, and analytics in one system. It targets the cost of wiring separate auth, billing, and user-data vendors—then maintaining sync and webhooks yourself. The site highlights SDK and MCP paths so agents can help with integration, and states European hosting with GDPR-related compliance language. It fits builders who want subscription or usage billing live quickly without assembling many infrastructure products first.
Core features
- Authentication flows: sign-up/login, profile components, MFA and social SSO options
- Products and billing plans for one-time, subscription, and usage-based checkout
- Merchant of Record handling for payments, tax-related flows, and disputes
- One store for users, transactions, and sessions to reduce cross-tool sync
- Event/session tracking, transactional email, and end-user self-serve plan changes
- Docs, SDKs, and MCP/skills install paths so AI agents can assist integration
Common use cases
- Solo builders shipping AI side projects who want login and billing on one backend with fewer webhooks
- SaaS teams launching usage or subscription pricing that need checkout, invoices, and self-serve upgrades
- Product and growth teams reviewing sign-ups, payments, and usage on one customer profile
- Engineering teams exposing auth and billing data to internal tools or agents via a unified API/MCP
Who is it for?
- AI/SaaS builders who need auth, payments, and customer data together
- Small teams trying to cut multi-vendor glue and sync logic
- Products that care about European hosting/GDPR positioning and accept transaction-fee pricing
- Poor fit: teams that only want a payment processor without auth or a customer DB; orgs whose identity and billing must stay on an immovable enterprise stack
How does it compare to similar tools?
- If you need auth + billing + customer DB together: evaluate an all-in-one backend versus card payments alone.
- If auth is already solved and you only need charging: compare standalone MoR/payment tools; a full stack may be more than you need.
- If agent-writable integration matters: official MCP/skills differ from REST-docs-only BaaS paths.
- The real decision is whether user and billing truth should live in one backend—not which brand sounds more modern.
FAQ
Q: What is tiun?
A: tiun is a unified backend for AI/SaaS covering auth, payments, customer database, and analytics. The goal is less multi-tool stitching and sync.
Q: Is tiun free?
A: Pricing lists a Free plan for core platform features, paid add-ons such as AI analytics, and Enterprise. Payments still incur Merchant of Record transaction fees. That is Freemium: usable free core plus paid upgrades.
Q: How is it different from using Stripe-style payments alone?
A: tiun keeps auth, customer data, and charging in one model, with checkout components and a self-serve portal. A pure payment gateway usually does not own full identity and in-product billing UX.
Q: How do I integrate?
A: Official docs and SDKs are available, plus MCP/skills so AI agents can help wire things up; details are on docs.tiun.io.
