Baraka Prepaid Wallet

Client:Halal prepaid card & digital wallet · Kuwait CityYear:2025Industry:Islamic FintechDuration:18 weeks

app
fintech
kuwait

Overview

Mobile-first halal prepaid wallet using Medusa's open-source commerce engine as the transaction ledger and order management layer, backed by Supabase Postgres. Features Sharia-compliant spend controls, family sub-wallet delegation, and KNET top-up.

The challenge

The client needed a transaction ledger that could handle multi-wallet hierarchies and Sharia-compliant product filters without building a commerce backend from scratch, and the existing banking middleware had no open API for direct integration.

The solution

Our approach

We repurposed Medusa's order and product management primitives as the wallet transaction engine: each top-up is an 'order', each merchant category restriction a 'product tag', and family sub-wallets are customer groups with spend caps. Supabase Row-Level Security enforces that a parent can see child-wallet transactions but not vice-versa. KNET payments are handled via a Medusa payment provider plugin. The Expo app consumes Medusa's REST API directly, keeping the mobile codebase thin.

Outcomes

What we delivered

KYC onboarding time cut from 12 minutes to 3 minutes

4 200 family sub-wallets activated within 60 days of launch

Sharia-compliance filter blocks 99.6 % of restricted merchant categories

KNET top-up success rate 98.4 % from day one

Key metrics

12 min → 3 minOnboarding time

4 200Sub-wallets at 60 days

99.6%Restricted category block rate

98.4%KNET success rate

Tech stack

Next.js 15
Medusa
Supabase
Expo (React Native)
KNET API

Services

Mobile app development
Commerce engine setup
Fintech integration
Sharia compliance design

Client testimonial

“Medusa gave us a transaction ledger that would have taken a year to build in-house. We launched a fully Sharia-compliant family wallet in 18 weeks.”

— عبدالعزيز المطيري — المؤسس، بركة ديجيتال

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