AltPayRails
Limited Merchant AccessMulti-rail payment infrastructure for merchants who can't afford a single point of failure.
Seven payment rails in a single checkout UI. When your primary processor shuts you down, there is a path forward — not an apology page. Built specifically for high-risk and gray-market merchants who need real payment optionality, not promises.
7 payment rails
Each rail is an independent path. If one fails, the merchant has six more.
- ▸5-second real-time payment polling
- ▸P2P expandable cards with QR codes and deep links
- ▸Fallback rail activation when primary fails
- ▸WebGL animated background
- ▸3D interactive credit card preview
- ▸Mobile-first responsive layout
- ▸React + TypeScript + Vite
AltPayRails is in limited merchant access — onboarding is by application. This is intentional. Rail access is a serious operational commitment and we vet merchants before granting access to ensure infrastructure integrity across the network. If you are a high-risk or gray-market merchant who needs multi-rail checkout, apply through the site.
AltPayRails is a MEF Inc. / SovereignStack product. It is the merchant-facing implementation layer of the multi-rail checkout architecture SovereignStack deploys in production engagements. The JS modal component ( AltPay Rails JS Modal) is the embeddable version for WooCommerce and custom storefronts.