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tiun

Auth, payments, customer database and analytics as one merchant-of-record backend, installed by an agent via MCP

freemiumCore has no platform fee. Revenue is transactional: 2.9% + $0.30 on transaction fees, 0.5% on subscription payments, international cards and currency conversion included, compliance included, monthly payouts with a $200 minimum, 1.5% on payouts and $15 per dispute — the site states a total of roughly 3.4% + $0.30 and compares that against competitor totals of roughly 9.6% + $0.30 and 5-6.5% + $0.50. AI-native analytics is a $17/month add-on. A Scale tier adds unlimited workspaces, multiple IBANs and payout accounts, an SLA and dedicated support, quoted on request.View full pricing →

About tiun

tiun is a consolidated backend for AI and SaaS companies covering authentication, payments, a customer database and analytics in one platform, sold against the usual arrangement of stitching four single-purpose vendors together and then maintaining the webhook and business logic that keeps them in sync. It operates as a merchant of record, so tax handling, compliance and payouts are the vendor's problem rather than the customer's, and the pricing page compares its all-in effective rate against competitors whose headline transaction fee looks similar but whose total lands materially higher once platform fees are added. Integration is agent-first in a way that is still uncommon: the site's primary install instruction is an `npx skills add` command pointing at its MCP endpoint, on the expectation that a coding agent will wire authentication, checkout and the customer portal rather than a developer working through a quickstart. Platform features include authentication flows, checkout flows, a customer database, a self-serve end-user portal and SDKs. The Core tier is free of platform fees, with revenue coming from the transaction rate, and an AI-native analytics module is priced as an add-on. A Scale tier adds unlimited workspaces, multiple payout accounts, an SLA and dedicated support, which is the point at which a company outgrows the single-workspace default without having to unpick the integration it already shipped.

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Key Features

✓Auth, payments, customer database and analytics in one platform
✓Merchant of record, so tax and compliance sit with the vendor
✓Primary install path is an MCP skill for a coding agent, not a quickstart
✓Published effective-rate comparison rather than headline fee only
✓No platform fee on Core; AI analytics priced as a separate add-on

Tags

backendpaymentsauthmcpmerchant-of-record
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