tiun.

About tiun.

tiun is a backend platform that bundles authentication, payments, billing, customer data, and analytics into a single system. It targets AI and SaaS builders who want to ship and monetize products without integrating multiple separate services. The platform includes Merchant of Record (MoR) operations, handling invoices, global taxes, and compliance.

Review

tiun enters a crowded infrastructure market by collapsing several distinct layers-auth, payments, and customer analytics-into one integrated backend. The pitch is straightforward: one command to install, one dashboard to manage, and one data model connecting commercial and account state from the first transaction. Whether that consolidation works for a given team depends heavily on how much they value removing integration work versus committing to a single vendor's ecosystem.

Key Features

• Auth and user management: Drop-in authentication components that ship with the platform, removing the need for a separate auth provider.
• Flexible billing engine: Supports subscriptions, one-time payments, and usage-based billing models within the same system.
• Merchant of Record (MoR): tiun acts as the MoR, managing invoices, VAT/sales tax, and dispute handling across 64 supported customer countries.
• Unified customer dashboard: Tracks users, transactions, and product activity in a single interface. Admin roles are currently limited to Admin and View Only, with unlimited dashboard seats at no extra per-user cost.
• MCP and agent integration: Builders can connect AI agents to tiun via MCP or install provided skills for faster setup.

Pricing and Value

tiun does not charge separately for authentication or database usage; there is no user count or database size limit that triggers a different pricing tier. The company subsidizes that infrastructure through its payment processing fee. Payment fees are described as roughly on par with Stripe's rates, with the overall economics becoming more competitive when factoring in the bundled services. Volume discounts and fee flexibility may apply as businesses on the platform grow. Full pricing details are available on the tiun website.

Pros

• Reduces the number of third-party services needed to launch a paid product, cutting down on integration and webhook coordination work.
• MoR capabilities handle tax compliance and invoicing out of the box, which is useful for solo builders and small teams selling globally.
• Unlimited dashboard seats let entire teams access customer and transaction data without per-user fees.
• Supports onboarding for businesses from 39 countries, with new countries added monthly based on founder requests.
• Single customer context keeps account and commercial state connected, avoiding sync issues between separate tools.

Cons

• User impersonation-where an admin logs in as a specific customer to troubleshoot-is not currently supported, though the team has noted interest in evaluating it for the roadmap.
• Admin roles are basic (Admin and View Only), and more granular role-based access is planned but not yet built.
• Teams already deeply integrated with Stripe and Clerk may find limited incentive to switch, since tiun's payment fees are comparable and the main draw is consolidation rather than lower transaction costs.

tiun fits small to mid-sized AI or SaaS teams that are starting fresh and want to avoid stitching together auth, payments, and analytics from day one. It's less suited for organizations with existing, deeply embedded Stripe workflows or those who need fine-grained administrative roles and user impersonation right now. The platform's roadmap suggests more flexibility over time, but the current offering prioritizes speed of setup and operational simplicity over deep configurability.

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