PayRelayPro

Proxy US Stripe payments for your fintech MVP—no accounts needed

Score: 7.6/10TGMedium BuildReady to Spawn
Brand Colors

The Opportunity

Problem

Non-US solo founders cannot secure US banking partnerships or Stripe accounts, blocking their core fintech product development.

Solution

PayRelayPro hosts white-label Stripe checkouts and relays transactions to your backend using our US accounts. Non-US founders embed payments instantly, we handle compliance/KYC. Scale to real Stripe migration seamlessly with transaction logs.

Target Audience

Non-US solo founders building fintech products

Differentiator

Fintech-specific flows (subscriptions, payouts) with 1% + Stripe fee only on live transactions

Brand Voice

professional

Features

Embeddable Checkouts

must-have18h

Custom Stripe-like UIs

Webhook Relay

must-have15h

Forward events to your endpoints

Transaction Dashboard

must-have12h

Full logs and refunds

White-label Branding

must-have10h

Your domain/logo

Subscription Management

must-have20h

Recurring billing proxy

Payouts Handling

must-have14h

Mock ACH payouts

Analytics Reports

nice-to-have8h

Revenue metrics

A/B Testing

nice-to-have10h

Checkout variants

Migration Tools

nice-to-have12h

Export for Stripe import

Multi-currency

future15h

Global support

Fraud Detection

future20h

Basic scoring

Total Build Time: 154 hours

Database Schema

users

ColumnTypeNullable
iduuidNo
emailtextNo
webhook_urltextYes

Relationships:

  • one-to-many with relays

relays

ColumnTypeNullable
iduuidNo
user_iduuidNo
checkout_idtextNo
statustextNo

Relationships:

  • foreign key to users.id, one-to-many with transactions

transactions

ColumnTypeNullable
iduuidNo
relay_iduuidNo
amountintNo
statustextNo
stripe_idtextYes
created_attimestampNo

Relationships:

  • foreign key to relays.id

subscriptions

ColumnTypeNullable
iduuidNo
user_iduuidNo
stripe_sub_idtextNo

Relationships:

  • foreign key to users.id

API Endpoints

POST
/api/relays

Create payment relay

🔒 Auth Required
GET
/api/relays/:id

Get relay config

🔒 Auth Required
GET
/api/transactions/:relayId

List transactions

🔒 Auth Required
POST
/api/refund/:txnId

Process refund

🔒 Auth Required
POST
/api/webhooks/stripe

Relay Stripe events

Tech Stack

Frontend
Next.js 14 + Tailwind + shadcn/ui
Backend
Next.js API routes + Supabase Edge Functions
Database
Supabase Postgres
Auth
Supabase Auth
Payments
Stripe
Hosting
Vercel
Additional Tools
Resend (emails)Cron for subs

Build Timeline

Week 1: Auth and dashboard

20h
  • User setup
  • Basic UI

Week 2: Checkout proxy

30h
  • Embed script
  • Stripe integration

Week 3: Webhooks and txns

25h
  • Event relay
  • Dashboard

Week 4: Subs and branding

25h
  • Recurring
  • Custom UI

Week 5: Polish

20h
  • Analytics
  • Exports

Week 6: Launch prep

10h
  • Tests
  • Docs

Week 7: Beta fixes

8h
  • Bug fixes
Total Timeline: 7 weeks • 138 hours

Pricing Tiers

Free

$0/mo

No subs

  • $100/mo volume
  • Basic checkout

Pro

$35/mo
  • $5k/mo volume
  • Subs, payouts
  • Branding

Enterprise

$199/mo
  • Unlimited volume
  • Custom
  • Support

Revenue Projections

MonthUsersConversionMRRARR
Month 11003%$105$1,260
Month 68006%$1,680$20,160

Unit Economics

$25
CAC
$500
LTV
6%
Churn
82%
Margin
LTV:CAC Ratio: 20.0xExcellent!

Landing Page Copy

Accept Payments Worldwide, US-Compliant

Proxy Stripe for non-US fintechs—embed, relay, scale.

Feature Highlights

White-label checkouts
Webhook forwarding
Sub handling
Easy migration

Social Proof (Placeholders)

"'Launched MVP day 1' - Non-US Founder"
"'Seamless proxy' - Fintech Solo"

First Three Customers

Share launch tweet with demo video on Twitter #fintech #solofounder, crosspost to r/stripe and fintech Discords, offer beta free to first 3 validators.

Launch Channels

Product Huntr/stripeIndie HackersTwitter

SEO Keywords

stripe proxy non uspayments without stripe accountus stripe for foreign founderswhite label stripefintech payment proxy

Competitive Analysis

5% fee
Strength

Global billing

Weakness

Not fintech-focused, no relay

Our Advantage

Pure proxy for Stripe migration

Lemon Squeezy

lemonsqueezy.com
5%
Strength

Easy setup

Weakness

SaaS only, no custom flows

Our Advantage

Fintech-specific + lower fixed fee

🏰 Moat Strategy

Transaction data moat for better fraud models + switching costs

⏰ Why Now?

Stripe Atlas waitlists growing, non-US fintech boom post-AI

Risks & Mitigation

legalhigh severity

Stripe TOS violation

Mitigation

Transparent proxy, user owns data

financialmedium severity

Chargeback losses

Mitigation

Reserve fund + fraud checks

Validation Roadmap

pre-build5 days

Landing page + waitlist

Success: 100 emails

mvp21 days

Closed beta

Success: $1k processed

Pivot Options

  • General proxy service
  • Checkout builder
  • Compliance tool

Quick Stats

Build Time
138h
Target MRR (6 mo)
$2,500
Market Size
$750.0M
Features
11
Database Tables
4
API Endpoints
5