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Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | middlebrick.com | nullsquare.net |
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| Listed in |
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...
No description of NULLSQUARE yet.
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 NULLSQUARE.
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.
NULLSQUARE's answer:
NullSquare’s architecture guarantees stronger data privacy than any SaaS competitor through our internal private runner. Agents run directly inside the customer's own infrastructure within isolated Docker sandboxes. These sandboxes are destroyed immediately upon completion, ensuring customer code and scan data never persist on NullSquare's servers. Furthermore, NullSquare’s AI agents confirm exploitability before reporting, ensuring customers receive proven vulnerabilities instead of false positive noise. Every scan also automatically generates built-in compliance evidence for SOC2, ISO27001, HIPAA, and PCI-DSS.
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.
NULLSQUARE's answer:
NullSquare provides a superior alternative across several competitive dimensions:
Vs. Traditional Pentest Firms: Traditional firms charge $10,000–$30,000 and take 3–6 weeks. NullSquare is 10–100x faster, offering findings the same day at a fraction of the cost.
Vs. Manual Scanners (ZAP, Nessus): Scanners output raw, unvalidated data and require expert operators. NullSquare provides a complete platform with validated findings and automated compliance output.
Vs. Enterprise AI (XBOW): XBOW requires enterprise engagement and lacks public pricing. NullSquare is built for startups, featuring instant accessibility, a free assessment on signup, and transparent reports in minutes.
Vs. Open Source (Strix): Strix requires the customer to run and maintain the platform themselves. NullSquare provides a fully managed platform.
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.
NULLSQUARE's answer:
Our primary audience consists of fast-growing tech startups and SMBs with 1–100 employees. The best-fit industries are SaaS, Fintech, and E-commerce. Our target champions are technical and executive leaders, specifically CTOs, CEOs, Founders, VPs of Engineering, and Heads of Engineering. Geographically, we focus on the MENA region (Jordan, UAE, Saudi Arabia, Egypt) and global English-speaking markets (USA, UK, Europe).
NULLSQUARE's answer:
NullSquare operates on an internal runner architecture deployed inside the customer's own network. We utilize Docker sandboxing to isolate every scan in a container that is destroyed immediately upon completion. The platform relies on AI agents to run automated black-box and white-box penetration testing across web applications, APIs, and cloud infrastructure. Additionally, we leverage GitHub integrations to provide automated security reviews on every pull request.
NULLSQUARE's answer:
As a company founded in 2026, we are an early-stage startup actively acquiring our first customers. We strictly do not target enterprises with 500+ employees. Instead, our ideal customer profile focuses on fast-growing startups within specific verticals:
SaaS and Tech companies
Fintech startups
E-Commerce businesses
NULLSQUARE's answer:
Founded in Jordan in 2025, NullSquare was built to address a massive gap in the security market. The industry is shifting from periodic manual pentests to continuous automated security testing. However, early-stage startups and SMBs are heavily underserved—they face the exact same compliance deadlines and investor pressures as large corporations, but cannot afford the $10,000+ price tags of enterprise tools or consulting firms. NullSquare was created to give these fast-growing teams the capability of a dedicated security engineer at a fraction of the cost.
Share your experience with using middleBrick and NULLSQUARE. For example, how are they different and which one is better?
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