Home
/
Services
/
API Testing

Testing the Application API

An experienced team of QA engineers

  • Comprehensive API verification of websites, mobile and desktop applications
  • Assessment of the stability of data exchange interfaces, databases, user interface and business logic
  • Analysis of API compliance with functionality, performance, and data protection requirements
  • Elaboration of positive, negative and boundary scenarios of work
  • Using manual and automated testing (REST, SOAP, GraphQL)
  • Detailed reporting with identified problems and recommendations for their elimination
Discuss the project
50+
completed projects
5,7%
staff turnover
до 28%
budget savings on development

Advantages of testing the application API

For the business owner
For the business owner
  • Guarantee of stable operation of integrations and services
  • Reducing the risk of downtime and disruptions affecting revenue
  • Quick identification and correction of errors in the API logic
  • Increasing customer and partner confidence in the product



Find out the cost and timing of automated and manual API testing

Get a KP
For the product owner
For the product owner
  • Checking the correctness of the product
  • Evaluating API response speed and stability under load
  • Detecting errors in business logic and data processing
  • Checking API compatibility with external services and clients



Order API testing

Request a test plan
For the team leader
For the team leader
  • Full test coverage (from APIs and databases to integrations with external services)
  • Verification scenarios that take into account the architecture and specifics of the project
  • A combination of automated and manual testing methods
  • Flexible scaling of tests for future product updates



Launch onboarding

Request a CV

The cost of software testing

3-4 weeks
from 1800 ₽/hour
projects starting from 50 thousand rubles.
LighTech The warranty period is 2 weeks
LighTech Comprehensive audit
LighTech The optimal team for the task
LighTech Support and mentoring from experts in related fields
LighTech Transparent process — TK work, reporting, tracking, timing control

The LighTech Team

Project managers
Product managers
DevOps engineers
Architects
Frontend Developers
Backend Developers
Mobile Developers
Flutter-
iOS Developers-Developers
Android Developers
QA Engineers
UX/UI specialists
Scrum Masters
Analysts
Designers
Marketers
Copywriters
Learn more about the team

Tell us about your project.

And we will offer you the optimal solution based on our experience, create a roadmap for the project and estimate the time and cost of development.
Discuss the project
LighTech

Our advantages

Scrum.org certification
Scrum.org certification

Our team is certified according to international standards Scrum.org . We apply the best practices of agile development to your business.

The Open-Source approach
The Open-Source approach

Active participation in open-source projects allows you to create reliable solutions using proven technologies and keep up with the times. 

The component approach
The component approach

Our solutions are created from ready-made tested components. This speeds up development and scaling, as well as making further support easier.

Worked commands
Worked commands

Our experts with extensive experience in collaboration guarantee efficiency, coherence and quality of the final product.

BPMS, CRM, and Highload development experience
BPMS, CRM, and Highload development experience

We are not new to complex projects. We have extensive experience in creating BPMS, CRM and high-load systems.

Accredited IT company
Accredited IT company

Proven professional qualifications, reliability and compliance with advanced industry standards.

Technology stack

We will help you create a solution that will meet the needs of your business. Our team uses proven and up-to-date tools, develops digital products for stable and efficient work for many years to come. 

Go
A compiled programming language with a simple syntax, focused on high performance and parallel computing.
Python
A powerful and flexible programming language that provides fast development and high performance. It is ideal for creating complex business logic and processing large amounts of data.
RDBMS
A relational database management system that allows you to store and process data in the form of linked tables
AWS
Amazon cloud platform, which provides a wide range of services for computing, data storage, and application development
Celery
Asynchronous task queue for Python, which allows you to perform deferred operations and distribute the load
Docker
A platform for packaging, distributing, and running applications in isolated containers
Django
High-level Python framework for fast development of secure and scalable web applications
DRF
Django REST Framework, a Django extension for creating APIs with REST architecture support
FastAPI
Modern Python framework for building high-performance APIs with automatic documentation
React
A library for developing interactive user interfaces. Allows you to create fast and scalable web applications with excellent performance.
Angular
A progressive framework for creating dynamic and responsive user interfaces. Guarantees smooth operation of your portal on any devices
Vue
A progressive JavaScript framework for creating user interfaces with a reactive data update system
Next.js
React is a framework with support for server-side rendering for creating optimized web applications.
Nuxt
A framework for Vue.js, which simplifies the development of universal and statically generated applications
Dart
An object-oriented programming language from Google used for developing mobile, web, and desktop applications.
Flutter
A powerful framework for fast and efficient development, ideal for creating cross-platform applications. It provides high performance and flexibility, enables efficient implementation of complex business logic, and provides high-quality user interfaces.
Clean Architecture
An architectural approach to software development that focuses on separation of responsibility and independence from external frameworks
Swift
A modern programming language from Apple for developing applications for iOS, macOS and other platforms of the company
Kotlin
A statically typed programming language from JetBrains, compatible with Java, used for developing Android applications and server systems

They trust us.

Bayer
Bronevik
Stabilafonder
X5Group
W
Lean Apps

Stages of API testing

1

API Analysis

We look at the documentation, the list of endpoints, and the request and response formats. We find out which methods are critical for the operation of the product and what needs to be checked first.

2

Setting up the environment

We are preparing the test environment, test data, and access tokens. We set up tools like Postman, JMeter, or autotests on the right frameworks.

3

Launching checks

We send different types of requests — correct, incorrect, with empty or extreme values. We look at how the API responds, measure speed and stability, and check performance under load and in non-standard scenarios.

4

Analyzing the results

We collect all the errors and inconsistencies found and evaluate how critical they are. We provide a list of recommendations on what needs to be fixed and how to make the API work quickly and smoothly.

What is API testing for websites and applications?

API testing is a comprehensive check of the data exchange interfaces (APIs) of websites, web and mobile applications for correct operation, stability and error protection. The main goal is to make sure that the API processes requests correctly, returns expected responses, and performs stably under real loads. This approach includes checking functionality, performance, and security, as well as analyzing the architecture and all points of interaction with the system.

In the process of testing API applications and websites, we evaluate:

  • correctness of request processing (positive, negative and boundary scenarios);
     

  • API stability under high load;
     

  • reliability of authentication and authorization;
     

  • data transmission and storage security;
     

  • resistance to potential attacks (SQL injection, XSS, CSRF, Brute Force, DoS, etc.);
     

  • compatibility and correct operation of integrations with external services.

For example, when testing the REST API of an online store, it checks whether requests for adding goods to the cart are processed correctly, what happens when incorrect data is sent, how the response rate changes with a large number of simultaneous requests, and whether transactions with payment data are protected.

API testing automation allows you to quickly run scripts, perform checks after each update, and reduce the time spent searching for errors.

Order testing of the website and mobile application

Discuss the project
LighTech

Frequently asked questions about API testing

What does API testing check?
How does API testing differ from modular and component testing?
What are the API testing scenarios based on?
How often do I need to test the site's API and app?
What types of API testing are there?

What will you get after completing the project

Get artifacts from the project
Open
Stable product
Stable product
A set of test documentation
A set of test documentation
Closing documents
Closing documents
Flexible environment for running tests
Flexible environment for running tests
Support
Support

Projects that we have implemented

Tell us about your project
Name
Contact
Message
Attach file +
Request to get files
Name
Send files
Message
Thanks!
Your request has been sent
After processing, our manager will contact you