Cybersecurity · head to head
Feedzai vs OWASP ZAP
Feedzai
Cybersecurity
Real-time transaction fraud and financial crime detection for banks and payment processors
- From
- On request
- Rated
- -
OWASP ZAP
Cybersecurity
Free, open-source web application scanner and intercepting proxy, now governed by the Software Security Project.
- From
- Free
- Rated
- -
The short version
- Only OWASP ZAP has a free tier, so it costs nothing to try first.
- Each has a real cost: Feedzai pricing is per transaction with an annual minimum, so a bank with seasonal or growing volume commits to a floor it may not use and pays overage above the band.; OWASP ZAP authenticated scanning of modern single-page applications is the hard part and ZAP makes you build it by hand: session handling, token refresh and login scripts are configured per application, and a misconfigured session means the scanner logs itself out and reports a clean result for pages it never reached.
- They diverge on capability: Feedzai covers Real-time scoring, OWASP ZAP covers Intercepting proxy.
- Prices and features above were last checked on 1 September 2026.
Where they differ
Only the attributes on which Feedzai and OWASP ZAP actually diverge.
Identical on both: user rating (Not yet rated), category (Cybersecurity).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Feedzai
- Real-time scoring
- Rule and model hybrid
- Case manager
- Behavioural biometrics
- Model explainability
- Deployment options
Only in OWASP ZAP
- Intercepting proxy
- Passive scanner
- Active scanner
- AJAX spider
- Automation Framework
- Headless daemon and REST API
- Docker images
- Add-on marketplace
What people use each for
The jobs each tool is most often brought in to do.
Feedzai
- A bank joining an instant payments scheme where transfers are irrevocable and post-hoc recovery is impossiblenot OWASP ZAP
- A card issuer whose existing rules engine cannot be changed without a release, so fraud waves run for daysnot OWASP ZAP
- An acquirer needing per-merchant risk models rather than one portfolio-wide modelnot OWASP ZAP
- A bank required by its regulator to explain automated declines to customers, which rules out opaque scoringnot OWASP ZAP
OWASP ZAP
- Adding a baseline security scan to every application's pipeline where per-target commercial licensing would limit coverage to a handfulnot Feedzai
- Manual penetration testing that needs an intercepting proxy, request replay and fuzzing without a paid licence per testernot Feedzai
- Teaching developers what an attack against their own endpoint looks like, using a tool they can install themselvesnot Feedzai
- Pre-release regression scanning of an internal application that would never justify a commercial DAST subscriptionnot Feedzai
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Feedzai
- Pricing is per transaction with an annual minimum, so a bank with seasonal or growing volume commits to a floor it may not use and pays overage above the band.
- It sits in the authorisation path, which makes every upgrade a change-controlled event with rollback plans, and the operational burden falls on the bank rather than the vendor.
- Out of the box models need months of the customer own labelled fraud history before they beat the rules they replace, so the value case starts late.
- AML and fraud are licensed as separate modules, so institutions expecting one platform fee find the transaction monitoring capability is a second line item.
- The buyer profile is large institutions, so smaller banks and fintechs face minimums that make per-transaction economics unattractive below significant scale.
OWASP ZAP
- Authenticated scanning of modern single-page applications is the hard part and ZAP makes you build it by hand: session handling, token refresh and login scripts are configured per application, and a misconfigured session means the scanner logs itself out and reports a clean result for pages it never reached.
- There is no support contract in the product, so when a scan breaks the day before a release the escalation path is a GitHub issue and a community chat, which is not an answer that satisfies a delivery manager or an auditor who wants a named responsible party.
- Active scanning sends genuine attack traffic, so it can create records, trigger emails, exhaust rate limits or destabilise a fragile environment, and pointing it at production without prior agreement produces an incident rather than a test result.
- Output needs triage: passive rules generate large volumes of low-severity informational findings about headers and cookie flags that bury the few results that matter, and a team without someone tuning the rule set stops reading the report within a few sprints.
- As a dynamic scanner it can only test what it can reach, so authorisation flaws between accounts, business logic abuse and anything behind an undiscovered endpoint go unreported, and a passing ZAP scan is evidence of nothing more than the absence of the classes of bug it looks for.
Pricing, plan by plan
Feedzai
On request- Feedzai Financial Crime Platform$undefined/year
- Priced by transaction volume with annual minimum commitment
- Modules for fraud, AML and account opening licensed separately
- Cloud, private cloud and on-premises deployment
OWASP ZAP
Free- Free & Open SourceFree
- Full functionality
- Active & passive scanning
- Spider
Which should you pick?
Choose Feedzai if
- You need real-time scoring.
- You work on Web, Linux.
- You also want rule and model hybrid.
Choose OWASP ZAP if
- You need intercepting proxy.
- You want to start without paying.
- You work on Desktop, Cli, Api.
- You also want passive scanner.
Questions people ask
- Is Feedzai or OWASP ZAP better?
- Neither clearly leads. Feedzai starts at On request and OWASP ZAP at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Feedzai or OWASP ZAP?
- OWASP ZAP has a free tier; the other does not. Paid plans start at On request for Feedzai and Free for OWASP ZAP.
- Does Feedzai or OWASP ZAP run on more platforms?
- Feedzai runs on Web, Linux. OWASP ZAP runs on Desktop, Cli, Api.
- Can I use OWASP ZAP for free?
- Yes. OWASP ZAP has a free tier, so you can try it without paying. Feedzai starts at On request.
- What is Feedzai best used for?
- Feedzai is most often used for a bank joining an instant payments scheme where transfers are irrevocable and post-hoc recovery is impossible, a card issuer whose existing rules engine cannot be changed without a release, so fraud waves run for days, an acquirer needing per-merchant risk models rather than one portfolio-wide model, a bank required by its regulator to explain automated declines to customers, which rules out opaque scoring. Of those, a bank joining an instant payments scheme where transfers are irrevocable and post-hoc recovery is impossible and a card issuer whose existing rules engine cannot be changed without a release, so fraud waves run for days are not what OWASP ZAP is typically brought in for.
- What can Feedzai do that OWASP ZAP cannot?
- Feedzai covers Real-time scoring, Rule and model hybrid, Case manager, Behavioural biometrics. OWASP ZAP covers Intercepting proxy, Passive scanner, Active scanner, AJAX spider.
Answered from the vendors’ own pages
Feedzai: Can Feedzai run on-premises?
Yes. On-premises and private cloud deployments are supported, which is why it appears in markets where transaction data cannot legally leave the country.
OWASP ZAP: Is it still called OWASP ZAP?
The project left OWASP in August 2024 and is now governed by the Software Security Project, with core development sponsored by Checkmarx. The tool is now just ZAP, though most existing documentation, courses and search results still use the OWASP name.
Feedzai: Does it cover AML as well as fraud?
It does, but transaction monitoring is a separately licensed module. Assume two line items if you want both.
OWASP ZAP: Is it free for commercial use?
Yes. It is Apache 2.0 licensed, with no per-application, per-scan or per-user cost, and it can be used and modified commercially without a licence agreement.
Feedzai: How fast are decisions?
Designed for the authorisation window, typically tens of milliseconds. This is the constraint that rules out batch scoring architectures.
OWASP ZAP: Can it replace a penetration test?
No. It automates checks for known vulnerability classes against endpoints it can reach. It does not reason about business logic, chain findings into an attack, or test authorisation between accounts, which is most of what a tester actually does.
OWASP ZAP: Does it run in CI?
Yes, through the official Docker images and the Automation Framework, which defines scan jobs in YAML so configuration lives in the repository. A baseline passive scan is the usual starting point because it is fast and non-intrusive.
OWASP ZAP: How does it compare to Burp Suite?
Burp Suite Professional is the more polished manual testing tool and has a stronger scanner and extension ecosystem, but it is licensed per tester and Burp Suite Enterprise per target. ZAP is the better fit where cost per target is the binding constraint; many teams use both.
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