Case Studies

Client success stories that transformed their digital footprint and revenue.

Healthcare AI & SaaS

Architecting B2B Billing & Infrastructure for Medical AI

The Challenge

Remexis needed to transition from a basic user model to a scalable B2B framework capable of handling multi-tenant organization management and precise feature metering.

Transitioning to a multi-tenant B2B organization structure
Implementing precise seat-based provisioning and billing
Need for real-time tracking of AI query usage and limits
Requirement for a resilient, audit-ready billing ecosystem for compliance

The Solution

We engineered a robust billing architecture using Next.js, Stripe, and Prisma, focusing on high availability and synchronization at the organization level. The solution features a custom webhook listener with advanced idempotency mechanisms, a granular usage tracking subsystem, and a comprehensive admin auditing dashboard to ensure transparency and operational excellence.

Custom B2B billing subsystem with Stripe integration for seat-based pricing
Resilient Webhook Listener pipeline with cryptographic verification and idempotency
Granular Usage Tracking system for real-time AI query monitoring and metering
Centralized Organization Management dashboard for tenant-level administration
Automated Fail-Safe processing with custom grace periods for payment failures
Rich Audit Ecosystem for tracking comprehensive subscription and event histories

The Results

ScalableMulti-tenant architecture

Real-timeUsage & seat metering

AutomatedInvoicing & Provisioning

100%Idempotent event handling

Remexis

Scaling Medical AI with Intelligent Billing

Gary

Owner, Remexis

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SaaS

Enterprise SaaS Billing Platform with Multi-Tier Subscriptions

The Challenge

The platform needed to handle complex subscription management across multiple tiers with varying pricing structures, including custom Enterprise pricing, while maintaining automated billing, tax compliance, and seamless user experience.

Multi-tier subscription model (Tandem, Team, Enterprise) with different pricing
Dynamic Enterprise pricing requiring custom price IDs per contract
Need for secure enterprise access code system for private pricing
Automated subscription lifecycle management and proration
Webhook integration for real-time billing updates
Tax compliance across multiple states with varying SaaS tax laws
Owner control panel for managing pricing without redeployment
Payment failure handling and renewal automation

The Solution

Developed a comprehensive Stripe-powered billing system with webhook automation, dynamic pricing management through an owner control panel, and enterprise-grade subscription handling with custom access codes and flexible pricing structures.

Multi-tier Stripe subscription system (Tandem, Team, Enterprise)
Dynamic price ID management through Owner Control Panel
Webhook automation for real-time subscription updates
Enterprise access code system for secure custom pricing
Automated proration and billing cycle management
Stripe Tax integration with state-specific nexus tracking
Monthly and yearly billing options for all tiers
Customer self-service portal for payment method updates
Automated invoice generation and payment failure handling
Production/Test mode configuration management
Real-time subscription status synchronization
Secure price ID storage and dynamic checkout integration

The Results

3-TierSubscription model

AutomatedBilling & invoicing

Real-timeWebhook sync

EnterpriseCustom pricing

UpmarkPDF

SaaS Billing Platform with Multi-Tier Subscriptions

Avi

Owner, UpmarkPDF

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Fitness

War House Gyms - Self Checkout kiosk system

The Challenge

War House Gyms faced challenges with manual payment processing and membership management, needing a streamlined self-service solution that could integrate seamlessly with their existing fitness operations.

Manual payment processing and membership management
Limited self-service options for members
Inefficient payment tracking and reporting
Need for automated membership renewals
Integration requirements with existing fitness systems

The Solution

In partnership with Genesis Strength, we implemented a comprehensive self-service payment system with automated membership management and enhanced member experience, leveraging combined expertise in fitness technology and payment processing.