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API Testing Tools

SaaS Browser tracks 877 API Testing Tools software companies, with 67 added in the past 30 days. The top countries for API Testing Tools SaaS include United States (137), India (28), United Kingdom (28).

Key Data Points for API Testing Tools

877
Total Software1
67
New (Past 30 Days)2
21
Affiliate Programs3
6
Median Age (Years)4
+503
New (Past 365 Days)5
144
Churned (Past Year)6
22.3%
Annual Churn Rate7
48.7%
Free Trial8

Company Size Distribution9

2
Enterprise (1,000+)
0.9% of total
9
Large (201-1,000)
4.0% of total
24
Mid-Size (51-200)
10.6% of total
192
Small (2-50)
84.6% of total

Most Established API Testing Tools Companies

Company Employees Domain Rank Founded Added
BrowserStack 5,000 62 2011 2025-01-23
Pgyer 59 2025-11-17
Deque 500 58 1999 2025-02-28
SmartBear 1,000 56 2025-02-07
Cypress 56 2025-02-26
pytest 55 2026-03-08
Cucumber 54 2025-02-07
SmartBear 1,000 53 2025-02-07
Browserling 52 2025-02-28
Katalon 500 52 2025-02-05

Top 10 Countries for API Testing Tools SaaS

The following countries represent where most API Testing Tools SaaS companies are headquartered, based on our data for 877 software products.

Country Count % of Total
United States 137 15.6%
India 28 3.2%
United Kingdom 28 3.2%
Germany 14 1.6%
Canada 10 1.1%
Singapore 7 0.8%
France 6 0.7%
Poland 5 0.6%
Czechia 5 0.6%
Spain 5 0.6%

SEO & Domain Authority for API Testing Tools

Median Domain Rank10
12
vs. overall median of 8
Median Referring Domains11
4
vs. overall median of 2

Pricing Data for API Testing Tools

Median Starting Price (USD)12
$10/mo
Median High Price (USD)13
$79/mo

Market Saturation for API Testing Tools

This score is computed from a combination of total products, domain authority, referring domains, company age, traffic growth, pricing, and enterprise presence.

Saturation Score14
46 / 100 (Medium)

Affiliate Programs in API Testing Tools

21 API Testing Tools SaaS companies offer affiliate programs (2.4% of total).

Median Commission15
25%
Commission Type Distribution
One-Time 1
Recurring 4

Most Recently Added API Testing Tools SaaS

TuscanoLabs Added 2026-07-25
sidekit Added 2026-07-25
mockOS Added 2026-07-25
NashVec Added 2026-07-24
GenTestCase Added 2026-07-24
RestForge Added 2026-07-23
end2ender Added 2026-07-23
Deploy Verify Added 2026-07-23
TestDataKit Added 2026-07-22
Zenncoder Added 2026-07-22

Median Age of API Testing Tools SaaS Companies

The median API Testing Tools SaaS company was founded 6.0 years ago (median founding year: 2020).

B2B / B2C Breakdown for API Testing Tools16

145
Both B2B & B2C
16.6%
725
Business (B2B)
83.0%
4
Consumer (B2C)
0.5%

Based on 874 companies with consumer type data (99.7% of total).

SaaS Discovery Trend for API Testing Tools

Monthly SaaS discovery count for API Testing Tools compared to its share of all SaaS discovered. A rising percentage indicates this segment is growing faster than the overall market.

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Discover API Testing Tools SaaS

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Category: API Testing Tools
Name Rank Filter by domain authority/rank (higher numbers indicate higher authority, scale 0-100). Traffic Filter by monthly organic search traffic volume Traff % Filter by monthly percentage change in organic traffic Emp Filter by the number of employees in the company. Est. Filter by how many years the company has been in operation. Price Filter by the monthly price range of the SaaS product (prices are normalized to monthly amounts). Ctry Filter by the country where the SaaS company is registered or headquartered found by crawling publicly available information on the internet. Ad Kws Filter by the number of paid search keywords Kws % Filter by monthly percentage change in paid keywords Ads Filter by the number of paid search ads Ads % Filter by monthly percentage change in paid ads Ref Dom Filter by the number of unique domains linking to the site Ref % Filter by monthly percentage change in referring domains Comm % Filter by the affiliate commission percentage rate Pages Filter by the number of pages in the site's sitemap (indicates site size) Cat Filter by the SaaS product category or industry. Type Filter by whether the SaaS targets personal users (B2C), businesses (B2B), or both AI Filter by whether the SaaS mentions using AI technology
API Test Lab Logo
API Test Lab Free Trial

This platform provides an integrated environment for comprehensive API testing, load simulation, and traffic analysis, enabling developers and engineers to validate, monitor, and optimize applicati...

Locked Locked Locked Locked Locked $0-20 Locked Locked Locked Locked Locked Locked Locked Locked Locked
API & Backend-as-a-Service Platforms API Management & Documentation
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QA Genie Studio Logo

A comprehensive testing tool designed to automatically generate structured, actionable test cases based on natural language descriptions, addressing the need for organized and efficient quality ass...

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Software Testing & Quality Assurance Error Tracking & Bug Reporting
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Rowcall Logo
Rowcall Free Trial

This manual test tracking tool is designed to streamline product testing workflows by organizing individual tests as distinct rows, each representing a unique user action within specific features, ...

Locked Locked Locked Locked Locked $0-15 Locked Locked Locked Locked Locked Locked Locked Locked Locked
Software Testing & Quality Assurance API Testing Tools
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Taplid Logo

This system functions as an AI-powered validation and auditing platform designed to ensure the accuracy, safety, and compliance of generated technical outputs, code, and documents. It offers featur...

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API Testing Tools Code Review Tools
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SelectorsHub Logo
SelectorsHub Free Trial

SelectorsHub offers a range of free and paid tools designed to enhance web testing, including advanced XPath and CSS selectors courses. Users can access plugins for link checking, test case generat...

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API Testing Tools
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Intern Logo

Intern is a software testing tool designed for both humans and machines, allowing users to write tests in JavaScript and TypeScript with various styles. It supports running tests in browsers, Node....

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API Testing Tools
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Deque Logo
Deque Free Trial

This tool enables users to identify and address accessibility issues on web pages through automated testing, providing a comprehensive overview of detected problems along with their severity and re...

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API Testing Tools
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Playwright Logo

This all-in-one resource hub functions as a comprehensive platform for end-to-end testing and test automation, bundling learning blogs, in-depth articles, AI-assisted Q&A, tutorials, videos, an...

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API Testing Tools
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Qodex Logo
Qodex Free Trial

Qodex offers AI-powered solutions for comprehensive API testing and documentation, designed specifically for developers seeking efficiency and automation. With features like zero coding requirement...

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API Testing Tools
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Healenium Logo
Healenium Free Trial

Healenium is an innovative solution designed to enhance the stability of Selenium-based test automation by addressing common issues related to unstable web elements. With self-healing capabilities,...

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API Testing Tools
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* Some or all parts of this page may be AI generated, so please verify any critical information independently.

Frequently Asked Questions

How many API Testing Tools SaaS companies are there?

SaaS Browser tracks 877 API Testing Tools software products as of July 2026. 67 new API Testing Tools SaaS companies have been added in the past 30 days.

How many new API Testing Tools SaaS companies are added each month?

67 new API Testing Tools SaaS companies have been added to SaaS Browser in the past 30 days. Our proprietary crawling infrastructure continuously discovers new software products.

What are the most established API Testing Tools SaaS companies?

The most established API Testing Tools SaaS companies by domain authority include BrowserStack, Pgyer, Deque, SmartBear, Cypress. These companies represent the highest domain rank scores in the API Testing Tools category.

What is the typical company size for API Testing Tools SaaS?

Among API Testing Tools SaaS companies with employee data, the size distribution is: - 2 (0.9%), - 9 (4.0%), - 24 (10.6%), - 192 (84.6%).

What is the median domain authority for API Testing Tools SaaS companies?

The median domain rank for API Testing Tools SaaS companies is 12, compared to an overall SaaS median of 8. These companies have a median of 4 referring domains.

Which countries have the most API Testing Tools SaaS companies?

The top countries for API Testing Tools SaaS are: United States (137), India (28), United Kingdom (28), Germany (14), Canada (10). These represent the largest concentrations of API Testing Tools software companies globally.

What percentage of API Testing Tools SaaS companies offer affiliate programs?

21 API Testing Tools SaaS companies offer affiliate programs, representing 2.4% of all API Testing Tools software tracked by SaaS Browser. The median commission rate is 25%.

What is the median age of API Testing Tools SaaS companies?

The median API Testing Tools SaaS company was founded 6.0 years ago, with a median founding year of 2020.

Are API Testing Tools SaaS companies mostly B2B or B2C?

Based on available data, API Testing Tools SaaS companies break down as follows: Both B2B & B2C (16.6%), Business (B2B) (83.0%), Consumer (B2C) (0.5%).

What are the newest API Testing Tools SaaS companies?

The most recently discovered API Testing Tools SaaS companies include TuscanoLabs, sidekit, mockOS, NashVec, GenTestCase. SaaS Browser continuously discovers and indexes new software products using proprietary crawling infrastructure.

About SaaS Browser

SaaS Browser is the largest, most up-to-date SaaS database on the internet, the ultimate prospecting and research tool for SaaS companies.

We discover emerging tools weeks after launch, before they appear in Apollo, ZoomInfo, or other databases. Our purpose-built platform exclusively tracks real software products with verified data, unlike generic prospecting tools polluted with agencies, consultancies, and outdated listings.

From Fortune 500 enterprises to bootstrapped startups launching this week, if it's SaaS, we track it.

How these numbers are calculated

  1. Total Software. The number of published SaaS companies currently listed for this selection. Only companies that pass our automated quality checks are counted.
  2. New (Past 30 Days). The net number of SaaS companies newly published for this selection in the last 30 days.
  3. Affiliate Programs. The number of listed SaaS companies that operate a verified affiliate or referral program.
  4. Median Age (Years). The median age, in years, of companies in this selection, based on founding year. The median is the middle value, so half are older and half younger.
  5. New (Past 365 Days). The number of SaaS companies published for this selection over the last 365 days.
  6. Churned (Past Year). Companies published within the last year that are no longer listed - they went offline, were removed, or stopped passing our quality checks.
  7. Annual Churn Rate. The annual churn rate - churned companies as a percentage of all companies published in the last year (still-listed plus churned).
  8. Free Trial. The percentage of listed companies in this selection that offer a free trial.
  9. Company Size Distribution. Distribution of companies by employee count: solo (1), small (2–50), mid (51–200), large (201–1,000), enterprise (1,000+). Percentages are of companies with employee data.
  10. Median Domain Rank. The median domain rank (0–100) across listed companies, a measure of search-engine authority. Higher is stronger. Shown against the overall median across all SaaS for comparison.
  11. Median Referring Domains. The median number of unique referring domains (distinct external sites linking to a company) across listed companies.
  12. Median Starting Price (USD). The median entry-level monthly price (USD) across companies in this selection with pricing data.
  13. Median High Price (USD). The median premium monthly price (USD) across companies in this selection with pricing data.
  14. Saturation Score. A 0–100 market saturation score combining total products, domain authority, referring domains, company age, traffic growth, pricing, and enterprise presence. Higher means more competitive.
  15. Median Commission. The median affiliate commission rate offered by companies in this selection that run an affiliate program.
  16. B2B / B2C Breakdown. Breakdown of companies by target market - business (B2B), consumer (B2C), or both - among those with consumer-type data.