
Wallarm
Metlo API Security
PromptGuard
SecureStack
API security risk scoring platform, Instant API & AI security scan, no setup required.

Katalon
TestMu AI (Formerly LambdaTest)
Selenium
Testim
Ghost Inspector
mabl
BrowserStack
Complete AI-driven Test Automation platform for Web apps, Mobile apps and APIs. Simple English commands to automate complex tests easily and effectively with all the flexibility that enterprise teams need!
Which is more popular?
Based on our record, Testsigma seems to be more popular. It has been mentioned 22 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | middlebrick.com | testsigma.com |
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In their own words, as submitted to SaaSHub.


middleBrickAPI Security Risk Scoring Platform middleBrick scans any API endpoint and returns a security risk score (A+ through F) with actionable findings — no agents, no config, no credentials required. How it works Submit a URL or OpenAPI spec. middleBrick runs 12+ security checks in parallel...
Testsigma is a cloud based test automation platform for Agile & Continuous Delivery teams that simplifies automation for Web apps, iOS & Android Apps and APIs , Testsigma requires no setup or frameworks and enables teams to start automating from the first line of code Test authoring in...
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing middleBrick and Testsigma.
middleBrick's answer
middleBrick assigns a quantitative risk score (0-100) to any API in seconds, not weeks. It covers OWASP API Top 10, GraphQL, and LLM/AI-specific security checks in a single scan. It integrates directly into developer workflows via CLI, GitHub Action, and MCP server for AI assistants — no sales calls, no setup meetings.
middleBrick's answer
Most API security tools require enterprise contracts, complex onboarding, or inline proxies. middleBrick is fully self-service: scan any API endpoint in minutes even with a free account.
middleBrick's answer
DevSecOps engineers, API developers, and security teams at startups and scale-ups who need to test their APIs for vulnerabilities without long procurement cycles. Also teams building AI/LLM-powered products who need to secure their model-facing APIs.
Share your experience with using middleBrick and Testsigma. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of middleBrick yet. Be the first one to post
TestSigma is a test automation platform that allows users to write tests in simple, natural language. This makes it accessible to a wider range of users, not just those with coding skills. CI/CD integration allows for...
Testsigma is a cloud-based test automation platform that facilitates continuous testing with an intuitive natural language scripting approach. Its user-friendly interface is welcoming for non-technical users, while it...
With No frameworks, No setup, No coding, and No cost, this postman alternative takes API testing to another level. Testsigma is a Cloud-based, end-to-end automated API testing tool that enables everyone to automate...
Recommendations tracked on public social media and blogs since March 2021.


Tracking middleBrick since Mar 2026.
Testsigma is an AI-driven test management platform focused on both manual and automated testing for modern, distributed teams. Pros:. - Source: dev.to / 11 months ago
Testsigma is an open-source and cloud-based AI testing tool that supports web, mobile, desktop, and API testing. Its AI Copilot helps teams generate, run, and maintain tests in natural language. It also allows for seamless integration... - Source: dev.to / over 1 year ago
Getting the setup right is crucial for making E2E tests reflect actual use cases and catch critical issues effectively. In fact, a study by Testsigma found that organizations that carefully define test scenarios beforehand can reduce... - Source: dev.to / over 1 year ago
When comparing middleBrick and Testsigma, you can also consider the following products.

Wallarm WAF is AI-powered Platform that automates real-time application protection combines Active Threat Verification engine with a DevOps friendly NG-WAF and security testing for websites, microservices and APIs across public and private clouds.
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Built on the top of Selenium and Appium, Katalon Studio is a free and powerful automated testing tool for web testing, mobile testing, and API testing.
Compare Katalon to middleBrick or Testsigma:

Open Source API Security Platform
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World’s first full-stack Agentic AI Quality Engineering platform.
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Selenium automates browsers. That's it! What you do with that power is entirely up to you. Primarily, it is for automating web applications for testing purposes, but is certainly not limited to just that.
Compare Selenium to middleBrick or Testsigma: