Best API Security Testing Software in 2026
Updated
In short: 42Crunch API Security Platform is ranked #1 of 27 as of 4 October 2026, ahead of APISec Platform and VulnAPI. The best-ranked option with a free plan is APISec Platform. The lowest first paid tier on this page is Pentestas API Scanner at $6.58/mo.
For API security work, the areas each tool tests are central points of comparison. These ranked entries are assessed on API discovery and API formats, authentication and authorization testing, business-logic testing, and input-validation testing. Deployment, free-plan availability, and paid starting prices are included as well. Levo.ai, Pynt, and Akto API Security Platform are among the first entries, with Operator and APISec Platform also shown early. Consider which testing areas and deployment details matter for your API environment, then compare the stated coverage and access options across the tools.
27 API security testing software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
#1 42Crunch API Security Platform Top pick · 7.3 Free plan · $9/mo
#2 APISec Platform Runner-up · 7.1 Free plan · $690/mo
#3 VulnAPI Also great · 7.1 Free plan · Free- Free planFree trial apiextensionLinuxmacOSself-hostedWebWindows
- Free plan
- No
- API discovery
- Yes
RecognisedDocumentedFree planPlatforms$9/mofirst paid tier About 42Crunch API Security PlatformVisit site - Free planFree trial apiextensionLinuxself-hostedWeb
- Free plan
- Yes
- Paid from
- 690 /mo
- API discovery
- Yes
- Authentication testing
- Yes
- Authorization testing
- Yes
- Input-validation testing
- Yes
RecognisedDocumentedFree planPlatforms$690/mofirst paid tier About APISec PlatformVisit site - Free plan LinuxmacOSself-hostedWindows
- API discovery
- Yes
- Authentication testing
- Yes
- Authorization testing
- Yes
- Input-validation testing
- Yes
RecognisedDocumentedFree planPlatforms - Free planFree trial apiextensionself-hostedWeb
- Free plan
- Yes
- Paid from
- 19 /mo
- API discovery
- Yes
- Authentication testing
- Yes
- Authorization testing
- Yes
- Input-validation testing
- Yes
RecognisedDocumentedFree planPlatforms$19/mofirst paid tier About AquilaX API Security ScannerVisit site - Free planFree trial apiLinuxself-hostedWeb
- Free plan
- Yes
- API discovery
- Yes
- Authentication testing
- Yes
- Authorization testing
- Yes
- Input-validation testing
- Yes
RecognisedDocumentedFree planPlatformsFree About PyntVisit site - Free plan LinuxmacOSself-hostedWindows
- Free plan
- Yes
RecognisedDocumentedFree planPlatforms - Free planFree trial apiWeb
- Free plan
- Yes
- Paid from
- 99 /mo
RecognisedDocumentedFree planPlatforms$99/mofirst paid tier About Beagle SecurityVisit site - Free planFree trial apiWeb
- Free plan
- Yes
RecognisedDocumentedFree planPlatforms$100/mofirst paid tier About ZeroThreatVisit site - apiLinuxmacOSself-hostedWebWindowsRecognisedDocumentedFree planPlatforms
- Free trial AndroidapiiOSLinuxmacOSself-hostedWindowsRecognisedDocumentedFree planPlatforms
- apiextensionLinuxmacOSself-hostedWebWindows
- Free plan
- Yes
- API discovery
- Yes
- Authentication testing
- Yes
- Authorization testing
- Yes
- Input-validation testing
- Yes
RecognisedDocumentedFree planPlatforms - Free trial apiLinuxmacOSWeb
- Free plan
- Yes
- Paid from
- 95 /mo
- API discovery
- No
- Authentication testing
- Yes
- Input-validation testing
- Yes
RecognisedDocumentedFree planPlatforms$95/mofirst paid tier About Pentest-Tools.com API ScannerVisit site - apiLinuxself-hostedWeb
- Free plan
- Yes
- API discovery
- Yes
RecognisedDocumentedFree planPlatforms - Free trial extensionself-hostedWeb
- Free plan
- No
- Paid from
- 129 /mo
- API discovery
- Yes
- Authentication testing
- Yes
- Authorization testing
- Yes
- Input-validation testing
- Yes
RecognisedDocumentedFree planPlatforms$129/mofirst paid tier About ApyGuard API Security ScannerVisit site - Web
- Free plan
- Yes
- API discovery
- Yes
- Authentication testing
- Yes
- Authorization testing
- Yes
- Input-validation testing
- Yes
RecognisedDocumentedFree planPlatforms - Free trial apiWeb
- Free plan
- Yes
- Paid from
- 99 /mo
- API discovery
- Yes
- Authentication testing
- Yes
- Authorization testing
- Yes
- Input-validation testing
- Yes
RecognisedDocumentedFree planPlatforms$6.58/mofirst paid tier About Pentestas API ScannerVisit site - apiWebRecognisedDocumentedFree planPlatforms
- apiWeb
- Free plan
- No
- API discovery
- Yes
- Authentication testing
- Yes
- Authorization testing
- Yes
RecognisedDocumentedFree planPlatforms - WindowsmacOSLinux
- Free plan
- Yes
- API discovery
- No
- Authentication testing
- No
- Authorization testing
- No
- Input-validation testing
- No
RecognisedDocumentedFree planPlatforms - Free trial Web
- Free plan
- No
- Paid from
- 59 /mo
RecognisedDocumentedFree planPlatforms$49.92/mofirst paid tier About Indusface WASVisit site - WindowsmacOSLinux
- API discovery
- Yes
- Authentication testing
- Yes
- Authorization testing
- Yes
- Input-validation testing
- Yes
RecognisedDocumentedFree planPlatforms - WindowsmacOSLinux
- API discovery
- No
- Authentication testing
- Yes
- Input-validation testing
- Yes
RecognisedDocumentedFree planPlatforms - WindowsLinux
- API discovery
- No
- Authorization testing
- Yes
- Input-validation testing
- Yes
RecognisedDocumentedFree planPlatforms -
- API discovery
- Yes
- Authentication testing
- Yes
- Authorization testing
- Yes
- Input-validation testing
- Yes
RecognisedDocumentedFree planPlatforms -
- Free plan
- Yes
- Paid from
- 85 /mo
- Authentication testing
- Yes
RecognisedDocumentedFree planPlatforms
Is your app on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which API security testing software is ranked first on Everything Xiaomi?
42Crunch API Security Platform is ranked #1 of 27 with a score of 7.3. APISec Platform is second and VulnAPI third.
How many of these have a free plan?
8 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Pentestas API Scanner has the lowest first paid tier we found: $6.58/mo.
How is this list ranked?
Ranked on what each maker publishes: documentation depth, a free tier and the platforms it runs on. Paid placements never change a rank.