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
93
New (Past 30 Days)2
16
Affiliate Programs3
6
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
2
Enterprise (1,000+)
1.0% of total
9
Large (201-1,000)
4.6% of total
20
Mid-Size (51-200)
10.2% of total
165
Small (2-50)
84.2% of total
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 |
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
23
vs. overall median of 14
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
0%
Commission Type Distribution
One-Time
2
Recurring
1
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
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
179
Both B2B & B2C
19.4%
741
Business (B2B)
80.2%
4
Consumer (B2C)
0.4%
Based on 924 companies with consumer type data (99.2% 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.
Discover API Testing Tools SaaS
Show Filters
Advanced Filters
X
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.
API Testing Tools
The category of this listing.
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.
API Testing Tools
The category of this listing.
Momentic
This SaaS is trending! We've detected monthly traffic growth.
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.
Pricing:
$0-$125/mo
The monthly pricing range for this SaaS product. Prices are normalized to monthly amounts where possible.
API Testing Tools
The category of this listing.
This accessibility testing suite helps developers, designers, testers, and product teams identify, test, and remediate barriers, obstacles, and impediments that prevent users with disabilities from accessing web pages and Windows applications, enabling inclusive design and WCAG 2.1 AA compliance. Its features include a browser extension for web content assessment, a Windows desktop tester for desktop applications, visual diagnostics with guided remediation, automated checks for common accessibility issues, live UI inspection, color contrast analysis, and open-source components with telemetry opt-in to support collaboration, quality assurance, and faster remediation cycles.
API Testing Tools
The category of this listing.
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.
API Testing Tools
The category of this listing.
Taplid
The owner has verified their profile information displayed on this page.
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.
Pricing:
$0-$29.99/mo
The monthly pricing range for this SaaS product. Prices are normalized to monthly amounts where possible.
API Testing Tools
The category of this listing.
Code Review Tools
The category of this listing.
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.
API Testing Tools
The category of this listing.
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.
Pricing:
$149-$499/mo
The monthly pricing range for this SaaS product. Prices are normalized to monthly amounts where possible.
Software Testing & Quality Assurance
The category of this listing.
API Testing Tools
The category of this listing.
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.
Pricing:
$0-$5/mo
The monthly pricing range for this SaaS product. Prices are normalized to monthly amounts where possible.
API Testing Tools
The category of this listing.
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.
Software Testing & Quality Assurance
The category of this listing.
API Testing Tools
The category of this listing.
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.
Pricing:
$0/mo
The monthly pricing range for this SaaS product. Prices are normalized to monthly amounts where possible.
API & Backend-as-a-Service Platforms
The category of this listing.
API Testing Tools
The category of this listing.
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.
Pricing:
$0-$14.99/mo
The monthly pricing range for this SaaS product. Prices are normalized to monthly amounts where possible.
Software Testing & Quality Assurance
The category of this listing.
API Testing Tools
The category of this listing.
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.
Pricing:
$0-$20/mo
The monthly pricing range for this SaaS product. Prices are normalized to monthly amounts where possible.
API & Backend-as-a-Service Platforms
The category of this listing.
API Management & Documentation
The category of this listing.
ResponseRift
The owner has verified their profile information displayed on this page.
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.
Pricing:
₹2369.67-₹9478.67/mo
The monthly pricing range for this SaaS product. Prices are normalized to monthly amounts where possible.
API Testing Tools
The category of this listing.
QA Genie Studio
The owner has verified their profile information displayed on this page.
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.
Software Testing & Quality Assurance
The category of this listing.
Error Tracking & Bug Reporting
The category of this listing.
TestZeus revolutionizes software testing with autonomous AI-powered agents that streamline the testing lifecycle, delivering high coverage and maintenance-free automation. By integrating seamlessly with various tools and platforms, it enhances efficiency and reduces costs, enabling organizations to achieve exceptional software quality at unprecedented speeds.
Pricing:
$25-$1400/mo
The monthly pricing range for this SaaS product. Prices are normalized to monthly amounts where possible.
Software Testing & Quality Assurance
The category of this listing.
This suite of premium development tools is designed to optimize software creation workflows, enhance productivity, and streamline coding, testing, and debugging processes for programmers and software engineers. Main features include real-time local server connections for live frontend testing, quick user role switching for effective multi-user testing, synchronization of API collections with version control systems, intuitive JSON formatting and exploration, and lightweight database interactions using spreadsheets, all aimed at reducing manual effort and accelerating development cycles. It addresses common challenges faced by developers such as inefficient testing, collaboration difficulties, version management, and data handling, making it ideal for software developers, backend engineers, testers, and teams seeking efficient, integrated solutions to enhance their coding and testing efficiency.
API Testing Tools
The category of this listing.
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.
API Testing Tools
The category of this listing.
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.
API Testing Tools
The category of this listing.
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.
API Testing Tools
The category of this listing.
* 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.
