Monarx Threat Shield is a commercial runtime application self-protection solution by Monarx. Traceable API Security is a commercial API security solution by Harness. Features, integrations, deployment and the company behind each one, side by side.
What our shortlists say about the one we picked.
Best for: AppSec teams covering APIs from code to runtime
Traceable belongs here if you want API testing in development and runtime protection from one vendor, with the activity data kept for later hunts. It runs in the cloud and is built for microservice and container estates. Since Harness now owns it, ask how the product will develop under its new owner before you sign a long contract.
From Best API Security Solutions for Business, Fall 2026
Reviewed by Nika (Nikoloz) Kokhreidze.
Real-time web application firewall with runtime protection for PHP apps
Platform for API & app security with discovery, testing, and protection
See more solutions in this category, or build a security stack from your picks.
Based on what each listing shows: deployment, company size, price and open source.
Monarx Threat Shield fits if you need to run it on your own servers and you are a startup.
Traceable API Security fits if you want a cloud product.
Common questions when comparing Monarx Threat Shield vs Traceable API Security for runtime application self-protection.
Monarx Threat Shield: Real-time web application firewall with runtime protection for PHP apps. Built by Monarx.
Traceable API Security: Platform for API & app security with discovery, testing, and protection. Built by Harness.
The table above shows where their features, integrations, deployment and company size fit differ.
Monarx Threat Shield is made by Monarx. Traceable API Security is made by Harness. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
In part. Monarx Threat Shield and Traceable API Security are not in the same category on CybersecTools. Use the table above to see where features, deployment and company size fit differ.
No Runtime Application Self-Protection shortlist yet. This is the closest one.
Updated 2026-11-02
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