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API Testing Tools

SaaS Browser tracks 931 API Testing Tools software companies, with 93 added in the past 30 days. The top countries for API Testing Tools SaaS include United States (101), India (31), United Kingdom (25).

Key Data Points for API Testing Tools

931

Total Software¹

New (Past 30 Days)²

Affiliate Programs³

Median Age (Years)⁴

+613

New (Past 365 Days)⁵

151

Churned (Past Year)⁶

19.8%

Annual Churn Rate⁷

46.2%

Free Trial⁸

Company Size Distribution⁹

Enterprise (1,000+)

1.0% of total

Large (201-1,000)

4.6% of total

Mid-Size (51-200)

10.2% of total

165

Small (2-50)

84.2% of total

Founders in API Testing Tools answer

Real questions about how these products work, answered by the people who build them.

How does PayloadPigeon handle HTTPS traffic from apps that use certificate pinning or other protections that prevent a Chrome extension from inspecting or changing requests?

Answered by PayloadPigeon

“PayloadPigeon does not bypass certificate pinning or TLS certificate validation. It works inside Chrome using the chrome.debugger API and Chrome DevTools Protocol. For web apps running in Chrome, PayloadPigeon can inspect the HTTP(S) traffic Chrome makes available, without installing a root...”

Read the full answer →

How does JMeterHub handle very large JTL files or results with millions of samples without running out of browser memory or slowing down analysis?

Answered by JMeterHub

“JMeterHub processes files entirely in your browser's memory and condenses millions of data points into 120 chart buckets so the UI stays instant. It comfortably handles standard CSV results up to ~100 MB (~300,000 samples) in seconds with zero server uploads.”

Read the full answer →

How do you test setups where OCPI versions or partner implementations differ in subtle ways, without flagging valid behavior as non-compliant?

Answered by ChargerDojo

“Every check in ChargerDojo is tied to the exact sentence in the OCPI version you are testing (2.1.1, 2.2, 2.2.1 or 2.3.0), and the report quotes that sentence next to the result. So a check can only fail on something that version actually requires. A few rules keep valid behaviour from being...”

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Most Established API Testing Tools Companies

Company	Employees	Domain Rating	Founded	Added
BrowserStack	5,000	86	2011	2025-01-23
Bazel	—	84	—	2025-02-28
Deque	500	84	1999	2025-02-28
Centercode	200	82	2001	2025-02-08
Cypress	—	81	—	2025-02-26
Sauce Labs	500	78	2008	2025-02-07
Accessibility Insights	—	78	—	2025-02-08
SmartBear	1,000	77	—	2025-02-07
Cucumber	—	75	—	2025-02-07
Mock Service Worker	—	74	—	2025-02-10

View all established API Testing Tools companies

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 931 software products.

Country	Count	% of Total
United States	101	10.8%
India	31	3.3%
United Kingdom	25	2.7%
Germany	14	1.5%
Australia	7	0.8%
France	6	0.6%
Canada	5	0.5%
Netherlands	5	0.5%
Singapore	5	0.5%
Poland	4	0.4%

SEO & Domain Authority for API Testing Tools

Median Domain Rating¹⁰

vs. overall median of 14

View all API Testing Tools companies by domain rating

Pricing Data for API Testing Tools

Median Starting Price (USD)¹²

$9/mo

Median High Price (USD)¹³

$55/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

60 / 100 (Medium)

Affiliate Programs in API Testing Tools

16 API Testing Tools SaaS companies offer affiliate programs (1.7% of total).

Median Commission¹⁵

Commission Type Distribution

One-Time 2

Recurring 1

View all API Testing Tools affiliate programs

Most Recently Added API Testing Tools SaaS

Leaptr Added 2026-10-30

SiteFix Added 2026-10-26

QA Studio Added 2026-10-26

UAT Pocket Added 2026-10-26

CriteriaPilot Added 2026-10-26

FlowCanary Added 2026-10-26

axe-core Added 2026-10-26

PinePoint Added 2026-10-26

MockFox Added 2026-10-26

Browsova Added 2026-10-26

View all recently added API Testing Tools SaaS

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).

View oldest API Testing Tools SaaS companies

B2B / B2C Breakdown for API Testing Tools¹⁶

179

Both B2B & B2C

19.4%

741

Business (B2B)

80.2%

Consumer (B2C)

0.4%

Based on 924 companies with consumer type data (99.2% of total).

View all B2B API Testing Tools SaaS View all B2C API Testing Tools SaaS

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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Testim

Free Trial

Testim.io offers AI-powered automated UI and functional testing solutions for web, mobile, and Salesforce applications, enabling teams to accelerate test authoring and enhance app quality. With features like smart locators for increased test stability and seamless integration into existing workflows, Testim streamlines the testing process for engineers and agile teams alike.

Testcontainers

This open-source library allows developers and testers to create temporary, isolated environments using Docker containers for various dependencies such as databases, message brokers, or web browsers, facilitating seamless integration, functional, and UI testing workflows. It supports multiple programming languages and testing frameworks, streamlining the process of initializing, controlling, and cleaning up test dependencies to solve problems related to environment configuration, test consistency, and dependency management, making it ideal for software engineers, QA teams, and developers seeking reliable, repeatable testing environments.

Momentic

Momentic is an advanced AI testing tool designed to streamline software testing processes, including regression testing, production monitoring, and UI automation. With its intuitive low-code editor and automated test maintenance, Momentic enhances development and QA cycles, allowing teams to create, deploy, and manage tests efficiently across various environments.

Allure Report

Allure Report is an open-source HTML test automation reporting tool designed to generate visually appealing and comprehensive test reports quickly and efficiently. It supports a wide range of testing frameworks and integrates seamlessly into CI/CD pipelines, enhancing collaboration and communication among development teams.

SmartBear

Free Trial

SmartBear offers a comprehensive suite of software testing, monitoring, and developer tools designed to enhance the quality and performance of applications. With integrated solutions for API management, automated testing, and real user monitoring, teams can streamline their workflows and deliver exceptional user experiences.

Taplid

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 features such as structured output analysis, real-time validation, automated review of code changes, legal drafts, technical reports, and JSON artifacts, along with support for integration via web, APIs, SDKs, and CLI tools; it helps developers, product teams, and compliance officers identify hallucinations, inconsistencies, unsafe patterns, and compliance issues, thereby streamlining quality control, reducing errors, and enhancing trustworthiness of automated AI outputs.

Hector

Free Trial

The platform provides a comprehensive hardware testing environment that enables developers to define, simulate, and validate embedded firmware and hardware configurations using YAML descriptions, running tests locally or within continuous integration pipelines. Its main features include an open-source command-line interface, a user-friendly dashboard with real-time topology visualization, scalable build and test runner pools, detailed audit logs, matrix job execution, support for hardware co-simulation with Verilator, and seamless integration with version control systems; it addresses challenges related to hardware-in-the-loop testing, automation, and collaboration in embedded development teams. This solution is tailored for embedded developers, hardware engineers, QA teams, and organizations seeking secure, scalable, and automated hardware validation within their existing infrastructure and workflows.

ChargerDojo

Free Trial

This OCPI testing tool is designed to simulate and validate roaming interactions in electric vehicle charging networks, ensuring compliance with various OCPI protocol versions and identifying potential issues before live deployment. Its main features include executing comprehensive charging journey simulations, testing for protocol adherence, simulating adverse conditions like meter errors or billing discrepancies, and providing detailed, graded reports on conformance, partner compatibility, and acceptance rules. It addresses the problems of uncovering roaming bugs, mismatched data exchanges, and billing inaccuracies, making it ideal for charging network operators, platform integrators, and developers seeking reliable, error-free roaming integrations and improved interoperability across multiple charging networks.

JMeterHub

Free Trial

This tool transforms raw JMeter test results into comprehensive, easily shareable reports by generating detailed tables, visually appealing graphs, and clear comparisons that are compatible with platforms like Confluence and Word. It offers features such as aggregated performance metrics, error analysis, response time visualization, baseline versus new test comparison, customizable SLA thresholds, and AI-driven explanations to identify bottlenecks and performance issues, making it particularly valuable for performance engineers, QA teams, and DevOps professionals aiming to analyze and communicate test outcomes effectively.

PayloadPigeon

Free Trial

This tool captures and records real HTTP and WebSocket traffic from web applications, enabling developers to create reusable, customizable tests for API endpoints and communication channels without altering the application code. It offers features such as traffic interception, response modification, test case saving, and flexible request editing, solving problems related to API testing, debugging, error simulation, and performance validation for frontend and backend developers, QA teams, and DevOps professionals.

Simceptor

Free Trial

Simceptor is a no-code platform designed to quickly create customizable mock API servers that emulate RESTful endpoints with advanced features such as conditional response rules, dynamic data generation, and latency simulation, enabling developers to test and develop applications without backend implementation. It offers intuitive, user-friendly tools for setting up CRUD routes, dynamic routing with path variables, and injecting custom headers, making it suitable for testers, frontend developers, and API designers seeking efficient, code-free testing environments; it addresses challenges such as lengthy backend setup, hard-to-maintain hardcoded data, and the need for realistic network conditions.

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, thereby enhancing clarity and coverage visibility. It offers features such as shared reusable lists for users, actions, and features; notes and task checklists for detailed test setup; undo capabilities for all modifications; and an offline-first approach that stores work locally while allowing cloud synchronization, making it ideal for testers, quality assurance teams, and product managers seeking an efficient, flexible, and cost-effective alternative to traditional spreadsheet or enterprise test management solutions.

ResponseRift

This tool provides a comprehensive platform for creating and testing mock REST APIs to streamline frontend development and prototyping by generating realistic and predictable JSON responses, including features like filters, pagination, nested routes, and CRUD operations. It addresses the challenges of frontend-backend integration delays, enabling developers and designers to simulate backend interactions, validate UI states, and refine components efficiently before the actual backend is available, making it ideal for frontend engineers, UI/UX designers, product managers, and QA testers working on digital interfaces and applications.

QA Genie Studio

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 assurance processes. Its main features include AI-powered test case creation, offline fallback support, versatile export options (Excel, CSV, JSON, PDF), smart management of test suites, risk-based sorting prioritizing critical and security-related scenarios, batch operations for streamlined workflow, and a user-friendly interface suitable for developers and QA teams seeking rapid, precise, and customizable test generation to improve bug detection and ensure software reliability.

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 application programming interfaces efficiently. Its main features include advanced request builders with authentication and headers, real-time load testing with concurrent runs, traffic monitoring dashboards, team collaboration tools, and server-side analysis without external AI dependencies, solving problems related to API performance bottlenecks, reliability, and security for software development teams of all sizes.

Checksum

Checksum offers automated end-to-end testing for applications, using AI to generate and maintain tests based on real user sessions. This service allows developers to focus on building features while ensuring fast, bug-free code delivery with minimal effort.

DevTools

This open-source tool facilitates automated API testing by capturing real browser traffic, generating multi-step YAML test workflows, and executing them seamlessly within Continuous Integration (CI) pipelines, thereby streamlining development workflows and improving testing efficiency. Its main features include recording browser session data through HAR files, auto-mapping variables and tokens for request chaining, visually designing complex test flows, and exporting standardized YAML scripts suitable for code review and CI/CD automation, solving problems related to manual test creation, flaky tests, and inconsistent environments. It is designed for software developers, QA engineers, and DevOps teams seeking reliable, scalable, and easy-to-integrate API testing solutions that enhance test automation, improve test accuracy, and accelerate deployment cycles.

TestDevTools

This is a curated collection of testing and development tools designed to empower QA professionals, developers, testers, and designers to accelerate software verification by aggregating automation, debugging, accessibility, performance, API testing, and UI tooling from across the internet. Its features include a visual change reviewer that filters noise and highlights meaningful UI diffs, customizable review rules, build metrics tracking, offline and online utilities for server-side rendering checks, request mocking, screen capture and sharing, and JSON validation, addressing issues such as noisy visual tests, flaky feedback cycles, fragmented tooling, and maintenance burdens while enabling faster, more reliable testing in CI/CD pipelines.

UI-licious

Free Trial

UIlicious offers a low-code platform designed for automating and scheduling cross-browser testing at scale, enabling users to focus on testing user journeys rather than HTML. With features like AI test authoring, interactive reporting, and smart element targeting, it simplifies the testing process while ensuring robust performance across various web applications.

AI Testing Tools

This comprehensive online directory catalogs AI-powered testing tools across automation, management, and testing assistance, helping QA engineers, developers, testers, and product teams discover, compare, and evaluate options by AI capabilities, pricing models, integration options, and deployment context. It solves the burden of manual tool scouting and fragmentation by providing searchable filters, tool submission workflows, and detailed listings featuring test case generation, test data generation, code and framework conversion, low-code/no-code automation, self-healing automation, visual testing, accessibility checks, and analytics dashboards across web, desktop, mobile, and API testing, suitable for open-source, freemium, and paid models.

* 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 931 API Testing Tools software products as of November 2026. 93 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?

93 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, Bazel, Deque, Centercode, 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 (1.0%), - 9 (4.6%), - 20 (10.2%), - 165 (84.2%).

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

The median domain rating for API Testing Tools SaaS companies is 23, compared to an overall SaaS median of 14.

Which countries have the most API Testing Tools SaaS companies?

The top countries for API Testing Tools SaaS are: United States (101), India (31), United Kingdom (25), Germany (14), Australia (7). These represent the largest concentrations of API Testing Tools software companies globally.

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

16 API Testing Tools SaaS companies offer affiliate programs, representing 1.7% of all API Testing Tools software tracked by SaaS Browser. The median commission rate is 0%.

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 (19.4%), Business (B2B) (80.2%), Consumer (B2C) (0.4%).

What are the newest API Testing Tools SaaS companies?

The most recently discovered API Testing Tools SaaS companies include Leaptr, SiteFix, QA Studio, UAT Pocket, CriteriaPilot. 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

Total Software. The number of published SaaS companies currently listed for this selection. Only companies that pass our automated quality checks are counted.
New (Past 30 Days). The net number of SaaS companies newly published for this selection in the last 30 days.
Affiliate Programs. The number of listed SaaS companies that operate a verified affiliate or referral program.
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.
New (Past 365 Days). The number of SaaS companies published for this selection over the last 365 days.
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.
Annual Churn Rate. The annual churn rate - churned companies as a percentage of all companies published in the last year (still-listed plus churned).
Free Trial. The percentage of listed companies in this selection that offer a free trial.
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.
Median Domain Rating. The median domain rating (0–100) across listed companies, our measure of link authority. Higher is stronger. Shown against the overall median across all SaaS for comparison.
Median Starting Price (USD). The median entry-level monthly price (USD) across companies in this selection with pricing data.
Median High Price (USD). The median premium monthly price (USD) across companies in this selection with pricing data.
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.
Median Commission. The median affiliate commission rate offered by companies in this selection that run an affiliate program.
B2B / B2C Breakdown. Breakdown of companies by target market - business (B2B), consumer (B2C), or both - among those with consumer-type data.

API Testing Tools

Key Data Points for API Testing Tools

Company Size Distribution9

Founders in API Testing Tools answer

How does PayloadPigeon handle HTTPS traffic from apps that use certificate pinning or other protections that prevent a Chrome extension from inspecting or changing requests?

How does JMeterHub handle very large JTL files or results with millions of samples without running out of browser memory or slowing down analysis?

How do you test setups where OCPI versions or partner implementations differ in subtle ways, without flagging valid behavior as non-compliant?

Most Established API Testing Tools Companies

Top 10 Countries for API Testing Tools SaaS

SEO & Domain Authority for API Testing Tools

Pricing Data for API Testing Tools

Market Saturation for API Testing Tools

Affiliate Programs in API Testing Tools

Most Recently Added API Testing Tools SaaS

Median Age of API Testing Tools SaaS Companies

B2B / B2C Breakdown for API Testing Tools16

SaaS Discovery Trend for API Testing Tools

Discover API Testing Tools SaaS

Advanced Filters

Frequently Asked Questions

About SaaS Browser

How these numbers are calculated

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Company Size Distribution⁹

B2B / B2C Breakdown for API Testing Tools¹⁶