Question 1

What is API Testing?

Accepted Answer

API testing validates an application's programming interfaces for functionality, reliability, performance, and security using specialized testing tools, either directly or within integration tests.

Question 2

How many companies implement API Testing?

Accepted Answer

Based on our data, 48,327 companies implement API Testing. This number is updated daily as we discover new companies through job posting analysis.

Question 3

What types of companies implement API Testing?

Accepted Answer

API Testing is relevant across multiple industries including IT Services and IT Consulting. Companies range from startups to enterprises with 10,000+ employees.

Question 4

How does TheirStack track companies related to API Testing?

Accepted Answer

TheirStack analyzes millions of job postings daily from company career pages, job boards, and recruitment platforms. When a company mentions API Testing in their job descriptions, requirements, or responsibilities, we identify them as related to API Testing and add them to our database.

Question 5

How can I get the full list of companies that implement API Testing?

Accepted Answer

You can access the complete list of 48,327 companies on TheirStack. The data includes company name, industry, size, location, funding, and revenue. Available via our web app or API.

Question 6

How often is the company data updated?

Accepted Answer

Our database is refreshed daily. We continuously monitor job postings to detect new companies implementing API Testing and update existing records.

Company	Country	Industry	Employees	Revenue	Technologies
EPAM Systems	United States	IT Services and IT Consulting	68k	$4.8B	API Testing
Tata Consultancy Services	India	IT Services and IT Consulting	731k	$27B	API Testing
CGI	Canada	IT Services and IT Consulting	89k	$9.5B	API Testing
UST	United States	IT Services and IT Consulting	41k	$1.5B	API Testing
Infosys	India	IT Services and IT Consulting	374k	$17B	API Testing
Virtusa	United States	IT Services and IT Consulting	18k		API Testing
Luxoft	Switzerland	IT Services and IT Consulting	16k		API Testing
Cognizant	United States	IT Services and IT Consulting	372k	$19B	API Testing
Qualitest	United Kingdom	IT Services and IT Consulting	5.7k		API Testing
NTT DATA	United Kingdom	IT Services and IT Consulting	190k		API Testing

Companies implementing API Testing

List of companies that implement API Testing