Functional Requirements


  • Allow user registration and login.
  • Allow users to book a parking spot.
  • Show real-time parking spot availability.
  • Handle reservation payments.
  • Generate a ticket or QR code for access.
  • Allow check-in and check-out at the parking facility.
  • Assign the reserved parking space to the user.
  • Control vehicle entry and exit.
  • Manage no-show reservations by releasing unused spots.


Non-Functional Requirements


  • Performance: the system must respond within a few seconds.
  • Reliability: the system must operate continuously and stably.
  • Security: user and payment data must be protected.
  • Scalability: the system must support multiple users at the same time.
  • Availability: the service must be accessible 24/7.
  • Data consistency: parking spot information must always be accurate and up to date.


API Design

Define the APIs expected from the system. This is your chance to analyze and define the read and write paths so that you can come up with the high-level design...



High-Level Design

  • User Application (Web/Mobile)
  • Parking Management System
  • Payment System
  • Gate Control System
  • Parking Spot Monitoring System
  • Database
  • Notification Service




Detailed Component Design

Parking Management System

Payment System

Gate Control System