API Testing to Ensure Stable Software Applications

Maintain bug-free APIs and seamlessly integrate with other services with no scope for technical and commercial concerns

Comprehensive API Testing Services to Validate Business Apps

As a globally recognized API testing company, ImpactQA is dedicated to offer comprehensive testing solutions covering both functional and non-functional requirements. We are focused at helping organizations through stressing on crucial API validations and maximize test coverage for enhanced performance features.

30% Minimized Test Spend

30% Minimized
Test Spend

API testing takes significantly less time than functional testing and can reduce project budgets by 15%-25%

Proficiency in API Protocols

Proficiency in API Protocols

Our team of API testing professionals possesses practical expertise in a wide range of API protocols including SOAP, REST, XML, JSON, RSS, etc.

24x7 Resource Availability

24x7 Resource Availability

Ensure all time availability of software testers spread across multiple projects without any geographical constraint

Follow the Sun Model

Follow the Sun Model

Practice “follow the sun” model to cater to global workflow across different time zones

Quick Vulnerability Scanning

Quick Vulnerability Scanning

Early identification of API connection issues, false errors and security discrepancies

API Testing Methodology

We folllow a multi-phased testing approach when it comes to API testing. The purpose is to permit short-term processes where the test strategy and execution are recognized, thereby, letting the client get fully involved for keeping the testing scalable and transparent.

Test Plan & Strategy

Test Plan
& Strategy

Creating a fixed strategy focused at client’s needs covering individual API testing, full regression testing and recommendations for the most suitable test environment configuration

Fully Operative Test Suites

Fully Operative
Test Suites

Selection of fully functional test suites giving preference to client requriements and comprehensive documentation

Root Cause Analysis

Root Cause

Precisely highlighting the associated trends and potential vulnerability causes with a quick response on correction recommendations

Test Script Compatibility

Test Script

Ensure compatibility for the newly introduced test script with the already existing script framework

Test Execution


This stage covers API Script Review followed by selection of API test tools, test frameworks, and integration with CI tools

API Automation Testing Tools

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Critical Capabilities for Quality Assurance Services Worldwide

“We utilize ImpactQA services for our mobile application testing needs in order to help us improve app quality and scale the business. We lacked in-house expertise in mobile testing domain for Android and iOS and needed quick solutions for automating our app testing suite. Team is well equipped with the latest QA technologies and their engineers helped us in devising a test strategy. Their support was amazing during the implementation.”

Our Testimonials

API Testing Services at ImpactQA

API Functional Testing

API Functional Testing

Assessment of definite functions within the codebase to ensure the API works as per specific parameters

API Automation Testing

API Automation Testing

Creation of programs and scripts to test APIs on a regular basis for saving time and deliver quick results

API Load Testing

API Load Testing

Run functional and load tests to analyze the API output and assess system performance under definite conditions

API Integration Testing

API Integration Testing

Verify whether or not the concerned APIs fulfill expectations based on reliability, performance, and functionality

API Security Testing

API Security Testing

Validate if the API accomplishes security needs like authentication, data encryption and essential access controls

API Regression Testing

API Regression Testing

Thorough assessment to check how the API functions after the addition of new features and prominent bug fixes

Negative Testing

Negative Testing

Type of API testing carried out to analyze the possibility of incorrect inputs as provided by the users

Reliability Testing

Reliability Testing

Reliability testing is conducted to check if the target API can provide precise and consistent results without any significant complexities

API Testing Expertise

REST API Testing

REST API Testing

REST API Testing is defined as an open-source, web automation testing process which is performed to test RESTful APIs associated with web applications

SOAP API Testing

Open-source, web service testing for SOAP-based APIs that covers web service inspection, simulation, development, functional testing, and compliance testing

SOAP API Testing

Dedicated API Capability

Top-class experience with APIs around service/modular testing as well as across agile or waterfall lifecycle models to provide best results

Dedicated API Capability

Advantages of API Testing Services

Improved API Quality

Smartly mitigate business risks linked tospecific software components which can prove advantages in delivering better software quality

Certified QA Engineers

Qualified dedicated QA professionals holding better knowledge in latest API testing software and innovations, together with expertise in mobile, desktop and web API testing

Flexible API Testing Framework

Fully-loaded API testing framework capable of integrating with continuous delivery pipeline for improving software releases


Collaboration with a large pool of commercial and open-source API testing tools including Katalon Studio, SoapUI, JMeter, Postman, Karate, Apigee

Language-Free Testing

Data transfer during API testing is completely independent of language, thereby, helping testers select any language during automated API testing processes

Quick Debugging

Run automated tests across a continuous pipeline to deliver faster feedback and lessening debugging time

Comprehensive API Reporting

Complete documentation covering previous test executions, source code and other specifics related to environment configurations

Upgraded Next-Gen Systems

Revamp your legacy systems of networked APIs to improve performance and reduce possible errors

Our Clients

Improve Your App Functionality and Align your Business Needs with Our API Testing Services

improve testing

Top 6 Challenges of API Testing

Since API testing is a major part of the integrations testing process, it becomes critically significant for testers

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Case studies

Case Studies

ImpactQA delivered Functional QA solutions targeted towards achieving high software excellence for a leading enterprise human capital management company in US

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Awards & Recognitions

See our accomplishments as a global leader in software testing industry

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Get in Touch

Let us know how we can help you!


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