Ensuring Quality and Reliability for Marketplace API
Strategic QA for a complex marketplace API system handling real-time data updates.
About Project
Solution
Functional testing, API testing, Billing and User Flow testing, UI/UX testing
Technologies
Postman, Chrome Dev Tools
Country
United States
Industry
Client
Our client, a long-term partner, is a major international e-commerce retailer with a diverse product catalog and a significant global customer base. They have developed a Marketplace API that serves niche markets by integrating dynamic data with customer-facing interfaces. The system serves multiple industries with customizable interfaces, allowing clients to automate data collection and maintain real-time updates on their websites. This project marked a shift from testing individual components to validating the entire API ecosystemâs reliability and performance.
Project overview
Need to ensure your APIs perform flawlessly under real-world conditions? Let’s plan comprehensive API testing for your product.
Before
- Inconsistent API endpoint performance
- Real-time data sync issues
- Unstable billing system flow
- Unoptimized premium features
After
- Validated API endpoints with stable performance
- Reliable real-time data synchronization
- Streamlined billing processes
- Enhanced premium user experience
Project Duration
1 year
Team Composition
4 Manual QA Engineers
1 Part-time Team Lead
Challenge
The client’s Marketplace API presented a multifaceted challenge due to its complex structure and dynamic nature.
The system comprised numerous endpoints and real-time data updates, requiring a comprehensive understanding and efficient testing strategy within a tight timeframe.
Key challenges included:
- Ensuring accurate real-time data updates on the client side
- Verifying the functionality of intricate billing plans, including activation, special conditions, payments, and deactivation
- Testing new features and pop-ups for premium accounts just before release
The project demanded a meticulous approach to maintain the API’s reliability while accommodating its growing complexity and feature set.
Solutions
Dedicated team. We formed a specialized team of five professionals, including four manual QA engineers and a part-time Team Lead, all with extensive experience in API testing and dynamic data environments.
A comprehensive testing strategy focused on:
- Functional testing to verify correct data display across client sites
- API testing to check the availability and functionality of each endpoint
- Billing and user flow testing using test accounts
- UI/UX testing focused on new features and premium account pop-ups
Collaboration with developers. We worked closely with the development team, reviewing requirements, scrutinizing test cases, and identifying defects.
Technologies
We used specialized tools for API testing and performance monitoring to ensure system reliability:
- Postman for API testing and validation
- Chrome Dev Tools for frontend debugging
- Test environment management tools
- Bug tracking and reporting systems
Types of testing
API testing
Ensured endpoint availability and data consistency.
Billing/User Flow testing
Verified diverse user and billing scenarios.
Results
Our testing efforts significantly improved the platform’s reliability and user experience. The team successfully:
500
Processed over 500 test cases
Identified and resolved critical API bugs
Validated all endpoint functionalities
Verified billing plan operations
Ensured smooth premium feature implementation
Improved real-time data synchronization
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Bruce Mason
Delivery Director
