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Clients Served


Industries Served


Years of expertise


According to Global Industry Analysts Inc, the global API testing market is projected to reach a staggering 1.8 billion USD by 2026, witnessing significant growth from 641.6 million in 2020.


Why does

API Testing


API tests may fail due to integration issues, data inconsistencies, security vulnerabilities, versioning problems, and network connectivity. Proper testing, robust security measures, version control, clear documentation, and regular monitoring are vital to minimize failures and ensure reliable APIs.

  • Integration Issues: Failures may occur when APIs are not seamlessly integrated with the system or other APIs, leading to unexpected behavior.
  • Data Inconsistencies: Mismatched or incorrect data in API responses can cause failures, impacting the functionality of the application.
  • Security Vulnerabilities: APIs that lack robust security measures may be prone to attacks, leading to potential failures and compromising sensitive data.
  • Versioning Problems: Changes in API versions can result in compatibility issues with existing clients, causing test failures.
  • Network Connectivity: Unstable network connections or delays in API responses can trigger test failures, affecting the overall performance.
  • Load and Stress: APIs might fail when subjected to heavy loads or stress beyond their capacity, revealing performance bottlenecks.
  • Poor Documentation: Insufficient or unclear API documentation can lead to incorrect usage and test failures.
  • Environmental Variability: Differences between testing and production environments can cause tests to fail when moving to the live environment.
  • Third-Party Dependencies: Failures may arise if APIs rely on third-party services that are not consistently available or reliable.
  • Code Bugs: Defects or errors in the API code itself can lead to test failures when certain scenarios are encountered.

Explore the Upsides of

API Testing

 Seamless Integrations:

  • API testing ensures smooth integrations with third-party services, enabling a connected and cohesive digital ecosystem.
  • Validating data exchange between APIs and applications guarantees a seamless flow of information, enhancing overall system performance.
  • Thoroughly tested APIs minimize integration errors, saving time and resources during development and implementation

Enhanced Performance:

  • Rigorous API testing optimizes data retrieval and processing, leading to faster response times and improved application performance.
  • Identifying and addressing bottlenecks in API calls and responses ensures a more efficient and responsive user experience
  • Performance testing under varying loads and conditions guarantees stable and reliable API performance during peak usage.

 Robust Security:

  • API testing validates secure authentication and authorization processes, protecting sensitive user data from unauthorized access.
  • Identifying and mitigating potential security vulnerabilities in APIs strengthens the overall security posture of the application.
  • Continuous security updates through API testing safeguard against emerging threats, ensuring data privacy and user trust.


  • Early detection and resolution of issues during API testing reduce the cost of fixing problems in later stages of development.
  • Ensuring API stability and functionality from the start minimizes the need for expensive post-launch fixes or updates.
  • Well-tested APIs lead to increased user satisfaction and lower customer support costs, saving resources in the long run.

Efficient Development Cycle:

  • API testing streamlines the development process, enabling faster time-to-market for new features and updates.
  • Quick identification and resolution of API-related issues expedite the development cycle, enhancing overall project efficiency.
  • Collaboration between development and testing teams during API testing promotes clear communication and accelerates progress.

Frugal Testing Service Offerings

At Frugal Testing, we excel in delivering top-notch API testing solutions to ensure the reliability, security, and performance of your APIs. Our comprehensive services help you detect inconsistencies and potential functionality breaks in your applications, saving valuable time and resources. Partner with us to leverage cutting-edge testing methodologies, front-end automated tests, and unit testing, guaranteeing thorough API assessment. We follow industry best practices like continuous integration, testing, and deployment to ensure seamless integration and cost-effectiveness.

How we help you build software that lasts

Comprehensive API Validation:

  • Thoroughly scrutinize API functionalities and endpoints.
  • Ensure seamless interactions between different components.
  • Identify and rectify issues before they impact users.

Performance Enhancement:

  •  Gauge API performance under various loads and conditions.
  •  Optimize response times and minimize latency.
  •   Provide users with consistently swift and reliable APIs

Security Fortification:

  • Conduct stringent security tests to uncover vulnerabilities.
  •  Implement safeguards against unauthorized access and breaches.
  •  Uphold data integrity and user trust in your APIs.

Interoperability Assurance:

  •  Verify seamless integration with diverse systems and platforms.
  •   Ensure consistent functionality across different environments.
  •   Empower users to access APIs reliably, regardless of context.

 Scalability Enhancement:

  • Ensure APIs can handle increased user loads without performance degradation.
  • Optimize infrastructure for horizontal scalability to accommodate growing demands.
  • Implement efficient load balancing mechanisms for consistent and reliable API responsiveness.

What all we test

Empowering your software to perform at its best

  • Functional Testing
  • Performance Testing
  • Security testing
  • Compatibility Testing
  • Regression testing
  • Usability testing
  • WEb App Testing
  • Windows Testing
  • IOS Testing
  • Mobile Testing
  • Windows Phone TestingDesktop Applications
  • Manual Testing
  • Automated Testing
  • Security Testing
  • Load Testing
  • Stress Testing
  • Accessibility Testing
  • Smoke Testing
  • Integration Testing

We've shown you what we can test, let’s talk about how we can test it for you.

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API Testing


  • Requirement Gathering: We collaborate closely to understand your API objectives, endpoints, expected responses, and authentication requirements.
  • Pre Engagement: We create a detailed testing plan, outlining test scenarios, data inputs, expected outputs, and testing environments tailored to your API.
  • Information Gathering: We curate a variety of test data, including valid inputs, boundary cases, and erroneous inputs, to assess different aspects of your API behavior.
  • Assessment:  We execute a range of tests, including functional, boundary, error handling, and security tests, to thoroughly evaluate your API's behavior.
  • Response Validation:  We validate API responses against expected outcomes, ensuring the correctness of data, status codes, and error messages.
  • Security and Authentication Testing: We assess API security measures, including authentication methods and access controls, to ensure data protection.
  • Performance and Load Testing: We gauge API performance under different loads, ensuring it can handle varying traffic volumes while maintaining responsiveness.
  • Compatibility Testing: We verify API compatibility across various devices, browsers, and platforms to ensure a consistent user experience.
  • Documentation Review: We analyse API documentation for accuracy and completeness, ensuring developers have clear guidelines for integration.
  • Report Submission: We provide detailed reports, highlighting detected issues and successful outcomes, along with recommendations for enhancing API performance and functionality.

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