tiun.

Developer Tools

Freemium

Added on Oct 29,2026

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Description

tiun. is a backend platform for AI and SaaS companies that combines authentication, payments, a customer database and AI analytics in one system.

It is designed to replace a stack of single-purpose tools, so builders do not have to maintain webhook or business logic to keep separate systems in sync. Developers can install tiun skills and connect its MCP server so an AI coding agent does most of the integration work.

Authentication covers sign-up, login and logout flows, user button and profile components, multifactor authentication, SMS passcodes, email and social single sign-on.

Payments support one-time, subscription, usage-based and time-based pricing, with pre-built checkout components that open as an overlay. tiun acts as Merchant of Record, handling tax compliance and chargebacks, and pays out monthly.

The customer database stores every user, transaction and session in one place, with subscription status kept up to date, event and session tracking, transactional emails, invoice history, self-serve plan management and a single queryable data API.

An AI-native analytics add-on helps business, engineering, product and marketing teams see who is signing up, who is paying, how they use the product and how to price it.

Pricing: the free plan includes the core platform with transaction fees of 2.9% plus $0.30 and community support. AI-native analytics is an add-on at $17 per month, and an Enterprise plan offers custom rates, unlimited workspaces and priority support. tiun is hosted in Europe and is GDPR compliant.

It is suited to solo builders, founders and growing AI and SaaS teams who want auth, billing and customer data handled without building their own backend.

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  • ai
  • tool
  • tools
  • developertools
  • backend
  • authentication
  • payments
  • billing
  • merchantofrecord
  • saas
  • subscriptions
  • usagebasedbilling
  • checkout
  • customerdatabase
  • analytics
  • aianalytics
  • mcp
  • codingagent
  • sso
  • mfa
  • invoicing
  • gdpr
  • startups
  • indiehackers
  • stripealternative
  • paddlealternative

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