OWASP Zap vs Synopsys API Security Testing [EOL] comparison

OWASP and Black Duck are both solutions in the Static Application Security Testing (SAST) category. Additionally, 88% of OWASP users are willing to recommend the solution, compared to 100% of Black Duck users who would recommend it.

OWASP Zap

Read 41 OWASP Zap reviews

7,287 Views
6,704 Comparison Views

88% willing to recommend

Synopsys API Security Testi...

Read 1 Synopsys API Security Testing [EOL] review

100% willing to recommend

OWASP Zap

Synopsys API Security Testi...

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Executive Summary

We performed a comparison between OWASP Zap and Synopsys API Security Testing [EOL] based on real PeerSpot user reviews.

Find out what your peers are saying about SonarSource Sàrl, Veracode, Checkmarx and others in Static Application Security Testing (SAST).

To learn more, read our detailed Static Application Security Testing (SAST) Report (Updated: February 2026).

Buyer's Guide

Static Application Security Testing (SAST)

February 2026

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Helped 881,707 peers since 2012

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:

Categories and Ranking

OWASP Zap

Average Rating

7.6

Reviews Sentiment

7.3

Number of Reviews

Ranking in other categories

Static Application Security Testing (SAST) (10th)

Synopsys API Security Testi...

Average Rating

7.0

Number of Reviews

Ranking in other categories

No ranking in other categories

Featured Reviews

Prasant Pokarnaa

Delivery Head - DevOps at Datamato Technologies

Effective vulnerability identification enhances security scans but AI-driven enhancements are needed

OWASP is only meant for two or three different types of scans. It is a tool which will scan the code for security for vulnerabilities We were able to convince the customers to really remove those rules when GitLab was able to show the results. Customers should be aware that GitLab is not just a…

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UmarQureshi

Security Lead at a retailer with 10,001+ employees

Useful threat vectors, beneficial results, but implementation needed support

We are using Synopsys API Security Testing for scanning APIs for risks and vulnerabilities and to understand our posture before deployment within our business The most valuable features of Synopsys API Security Testing are the metrics, results, and threat vectors that it shares. I have been…

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Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:

Pros

"I consider OWASP Zap to be the most effective solution overall; being open source allows integration with other systems via OWASP Zap APIs."

"It has improved my organization with faster security tests."

"Simple to use, good user interface."

"The solution is scalable."

"We use the solution for security testing."

"It can be used effectively for internal auditing."

"Automatic updates and pull request analysis."

"It updates repositories and libraries quickly."

More OWASP Zap pros

"The most valuable features of Synopsys API Security Testing are the metrics, results, and threat vectors that it shares."

Cons

"OWASP Zap could benefit from a noise cancellation feature like that of Burp Suite Professional, where AI helps reduce certain non-critical findings."

"If there was an easier to understand exactly what has been checked and what has not been checked, it would make this solution better. We have to trust that it has checked all known vulnerabilities but it's a bit hard to see after the scanning."

"The ability to search the internet for other use cases and to use the solution to make applications more secure should be addressed."

"Zap could improve by providing better reports for security and recommendations for the vulnerabilities."

"OWASP should work on reducing false positives by using AI and ML algorithms. They should expand their capabilities for broader coverage of business logic flaws and complex issues."

"The automated vulnerability assessments that the application performs needs to be simplified as well as diversified."

"There isn't too much information about it online."

"The technical support team must be proactive."

More OWASP Zap cons

"The solution required us to use our team and we spoke to Synopsys API Security Testing's support to do the implementation. We use two people from our team for the implementation. and one person for maintenance."

Pricing and Cost Advice

"It is open source, and we can scan freely."

"It is highly recommended as it is an open source tool."

"This is an open-source solution and can be used free of charge."

"This solution is open source and free."

"The tool is open source."

"OWASP Zap is free to use."

"It's free. It's good for us because we don't know what the extent of our use will be yet. It's good to start with something free and easy to use."

"We have used the freeware version. I believe Zap only has freeware."

More OWASP Zap pricing and cost advice

Information not available

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881,707 professionals have used our research since 2012.

Top Industries

By visitors reading reviews

Computer Software Company

13%

University

Financial Services Firm

Manufacturing Company

No data available

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

By reviewers
Company Size	Count
Small Business	11
Midsize Enterprise	11
Large Enterprise	21

No data available

Questions from the Community

Is OWASP Zap better than PortSwigger Burp Suite Pro?

OWASP Zap and PortSwigger Burp Suite Pro have many similar features. OWASP Zap has web application scanning available with basic security vulnerabilities while Burp Suite Pro has it available with ...

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What do you like most about OWASP Zap?

The best feature is the Zap HUD (Heads Up Display) because the customers can use the website normally. If we scan websites with automatic scanning, and the website has a web application firewall, i...

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What is your experience regarding pricing and costs for OWASP Zap?

OWASP might be cost-effective, however, people prefer to use the free edition available as open source.

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Comparisons

SonarQube vs OWASP Zap

Compared 15% of the time

Acunetix vs OWASP Zap

Compared 14% of the time

Checkmarx One vs OWASP Zap

Compared 8% of the time

Veracode vs OWASP Zap

Compared 8% of the time

PortSwigger Burp Suite Professional vs OWASP Zap

Compared 8% of the time

More OWASP Zap Competitors

Invicti vs Synopsys API Security Testing [EOL]

Compared 34% of the time

SonarQube vs Synopsys API Security Testing [EOL]

Compared 27% of the time

Aikido Security vs Synopsys API Security Testing [EOL]

Compared 21% of the time

Acunetix vs Synopsys API Security Testing [EOL]

Compared 19% of the time

More Synopsys API Security Testing [EOL] Competitors

Product Reports

Buyer's Guide

OWASP Zap

January 2026

Download OWASP Zap product report

Buyer's Guide

Static Application Security Testing (SAST)

February 2026

Synopsys API Security Testing [EOL] report

Download Synopsys API Security Testing [EOL] product report

Overview

OWASP Zap is a free and open-source web application security scanner.

The solution helps developers identify vulnerabilities in their web applications by actively scanning for common security issues.

With its user-friendly interface and powerful features, Zap is a popular choice among developers for ensuring the security of their web applications.

OWASP

AppSec testing optimized for the needs of API developers
APIs provide open, flexible interfaces that enable applications and services to talk to each other. But these characteristics can also make it difficult to build secure software—and even more difficult for traditional AppSec tools to test it.

Black Duck

Sample Customers

1. Google 2. Microsoft 3. IBM 4. Amazon 5. Facebook 6. Twitter 7. LinkedIn 8. Netflix 9. Adobe 10. PayPal 11. Salesforce 12. Cisco 13. Oracle 14. Intel 15. HP 16. Dell 17. VMware 18. Symantec 19. McAfee 20. Citrix 21. Red Hat 22. Juniper Networks 23. SAP 24. Accenture 25. Deloitte 26. Ernst & Young 27. PwC 28. KPMG 29. Capgemini 30. Infosys 31. Wipro 32. TCS

Information Not Available

Buyer's Guide

Static Application Security Testing (SAST)

February 2026

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Find out what your peers are saying about SonarSource Sàrl, Veracode, Checkmarx and others in Static Application Security Testing (SAST). Updated: February 2026.

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We monitor all Static Application Security Testing (SAST) reviews to prevent fraudulent reviews and keep review quality high. We do not post reviews by company employees or direct competitors. We validate each review for authenticity via cross-reference with LinkedIn, and personal follow-up with the reviewer when necessary.