Open Payment Infrastructure

Stablecoin Stack
Documentation

The complete reference for the open infrastructure that enables payment processors, merchants, and developers to build instant, chargeback-free, borderless payment services.

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Documentation by audience

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Payment Processors & Fintechs

Deploy a full stablecoin payment processor. Multiple revenue models. Non-custodial option. Open-source.

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Merchants & Online Sellers

Instant settlement, no chargebacks, direct to your wallet. Accept payments from anywhere.

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End Users & Payers

Pay with the browser extension or mobile app. Tap, confirm, done. No specialist knowledge needed.

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Developers & Implementers

Architecture, components, data structures, signing conventions. Full spec via the RFC Portal.

All documentation

Every page, at a glance

It's running right now. Watch payments settle in real time on the live feed. Open Live Feed →

Fabric Payment Standards Foundation

Open standard. Free forever.

Everything here is published under the Apache 2.0 licence and governed through the Foundation's public RFC portal — not proprietary channels.

SS-001 The Stablecoin Stack v1.0.0
SS-002 Wallet-Gateway Interface v1.0.0
SS-003 Broadcast Layer Protocol In Progress
SS-004 Checkout Engine API Planned
SS-009 Wallet Certification Planned
View all specifications at the RFC Portal →