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WalletFusion · Digital Wallet Pass Platform

A multi-tenant SaaS platform that lets any business design and issue branded digital loyalty cards, event tickets, and boarding passes — delivered natively to customers' Google Wallet and Apple Wallet via a no-code dashboard or a single API call.

1 API Call
To issue a live pass to any customer
2 Wallets
Native Google Wallet & Apple Wallet support
Same Week
From signup to live branded passes in customers' wallets
The Challenge

Every quarter, they planned it.
Every quarter, it slipped.

Businesses wanting to issue digital wallet passes to their customers faced a technical wall they couldn't scale alone. Integrating directly with Google Wallet's API requires managing service account credentials, signing JWTs, navigating strict class-vs-object lifecycle rules, and complying with Google's approval process — where mistakes can leave classes permanently locked in an unusable state. Apple Wallet adds its own layer of complexity: certificate management, .pkpass bundle signing, and dedicated pass hosting infrastructure.

For most businesses — especially SMBs and mid-market companies without dedicated platform engineering teams — the integration wasn't cancelled. It was perpetually deferred. The capability existed in theory; in practice, it demanded months of development, ongoing certificate and credential maintenance, and deep institutional knowledge to avoid Google's silent failure modes. Every quarter the project slipped, it slipped again the next.

The real cost wasn't the engineering investment. It was the opportunity cost: loyalty programs that never launched, event tickets that stayed in email PDFs, and customer touchpoints that existed only in competitors' wallets — not theirs.

Building Google Wallet integration was something we kept pushing to next quarter. It was too complex, too risky to get wrong, and too expensive to maintain. The integration never made it off the backlog.

One platform. Two wallets.
One API call.

We built WalletFusion as a dual-interface multi-tenant SaaS platform. The no-code web dashboard lets any business design professional-grade digital passes in minutes — choosing brand colors, uploading logos, configuring barcodes (QR or Code 128), and setting custom fields — with a live in-browser preview showing exactly what the pass will look like in Google Wallet or Apple Wallet. No engineering required to get started.

For businesses that need programmatic pass issuance from their own CRMs, e-commerce platforms, or event systems, the REST API handles the full complexity behind a single authenticated HTTP call. Company-specific API keys — with the company ID embedded for zero-lookup routing — are all that's needed. The entire Google Wallet lifecycle, including JWT signing, class approval, and Google's constraint that approved classes cannot be deleted or downgraded, is managed transparently by the platform.

Multi-tenancy is enforced at every layer: isolated data, per-company API key management, role-based access control (Admin / User), and dual authentication — JWT HttpOnly cookies for dashboard sessions, API key header for third-party integrations. A real-time analytics dashboard aggregates pass issuance metrics across day, week, month, and year windows so every company can measure what's actually working.

  • No-code pass designer — visual editor with live wallet preview for Google Wallet and Apple Wallet
  • REST API with company-scoped API keys — issue any pass type with a single authenticated HTTP request
  • Full Google Wallet integration — class and object lifecycle, JWT signing, service account management handled transparently
  • Apple Wallet integration — .pkpass bundle signing, certificate management, and hosted pass delivery via Google Cloud Storage
  • Multi-tenant architecture — fully isolated company data, API keys, and access controls at every layer
  • Real-time analytics dashboard — pass issuance metrics aggregated across day, week, month, and year
  • Role-based access control — Admin and User roles with separate permission scopes
  • Dual auth strategy — JWT HttpOnly cookie for the dashboard; API key header for external integrations
Technology Stack

Built to scale from day one.

Frontend
Angular TypeScript NgRx Angular Material TailwindCSS
Backend
ASP.NET Core Entity Framework Core MySQL AutoMapper NLog
Integrations
Google Wallet API Apple Wallet (Passbook) Google Cloud Storage Google OAuth OIDC
Auth & Security
JWT (HttpOnly Cookie) API Key Auth RBAC
The Outcome

Months of deferred roadmap —
shipped in a week.

One Call
Issue a live branded pass to any customer
2
Wallet platforms natively supported — Google & Apple
Same Week
From signup to live branded wallet passes

Before WalletFusion, building Google Wallet integration was something we kept pushing to next quarter. It was too complex, too risky to get wrong, and too expensive to maintain. WalletFusion gave us a live, branded loyalty card in our customers' wallets the same week we signed up — and when we needed to issue passes programmatically from our own platform, one API call was all it took.

Early Adopter · VP Technology, Enterprise Client
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