Smart Rental Car Platform with Digital Key Integration – Scalable, Secure, Cost-Effective

The Challenge

The client was relying on a Japanese vendor’s system to manage digital lock boxes. However, the existing solution was:

  • Low in quality, high in operational cost
  • Inflexible due to tight SDK/API dependencies
  • Difficult to integrate with custom mobile apps and cloud platforms

Our Solution

Smart Rental Car Platform with Digital Key Integration – Scalable, Secure, Cost-Effective

Smart Rental Car Platform with Digital Key Integration – Scalable, Secure, Cost-Effective

Smart Rental Car Platform with Digital Key Integration – Scalable, Secure, Cost-Effective

We built a modern SaaS platform fully integrated with the Digital Key Box SDK:

  • Deep technical consulting for integrating SDK into web (React.js, PHP) and mobile (React Native)
  • Custom SaaS development for both end-users and enterprise clients
  • Serverless backend with AWS Lambda to cut infrastructure costs
  • CI/CD automation to streamline build, test, and deployment
  • Real-time error monitoring via API-based logging and alerts

Results

Smart Rental Car Platform with Digital Key Integration – Scalable, Secure, Cost-Effective

  • Significant reduction in development and operational costs
  • Deployment speed increased by 1.5x
  • Highly stable, flexible, and scalable platform for car rental man