Best API Security Testing Software in 2026
25 api security testing software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
25ranked
14free plans on this page
$6.58/molowest paid tier
22 Sept 2026last checked
#1 Levo.ai Top pick · 9.1 Free plan · Free
#2 Pynt Runner-up · 8.8 Free plan · Free
#3 Operator Also great · 8.5 Free plan · Free
- Free plan apiextensionLinuxmacOSself-hostedWebWindows
- Free plan
- Yes
- API discovery
- Yes
- Authentication testing
- Yes
- Authorization testing
- Yes
- Input-validation testing
- Yes
RecognisedDocumentedFree planPlatformsFree trial - Free planFree trial apiLinuxself-hostedWeb
- Free plan
- Yes
- API discovery
- Yes
- Authentication testing
- Yes
- Authorization testing
- Yes
- Input-validation testing
- Yes
RecognisedDocumentedFree planPlatformsFree trialFree About PyntVisit site - Free plan Web
- Free plan
- Yes
- API discovery
- Yes
- Authentication testing
- Yes
- Authorization testing
- Yes
- Input-validation testing
- Yes
RecognisedDocumentedFree planPlatformsFree trial - 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 planPlatformsFree trial$690/mofirst paid tier About APISec PlatformVisit site - 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 planPlatformsFree trial$19/mofirst paid tier About AquilaX API Security ScannerVisit site - Free plan apiLinuxself-hostedWeb
- Free plan
- Yes
- API discovery
- Yes
RecognisedDocumentedFree planPlatformsFree trial - Free plan WindowsmacOSLinux
- Free plan
- Yes
RecognisedDocumentedFree planPlatformsFree trial - Free planFree trial apiWeb
- Free plan
- Yes
RecognisedDocumentedFree planPlatformsFree trial$100/mofirst paid tier About ZeroThreatVisit site - Free planFree trial apiWeb
- Free plan
- Yes
- Paid from
- 99 /mo
- API discovery
- Yes
- Authentication testing
- Yes
- Authorization testing
- Yes
- Input-validation testing
- Yes
RecognisedDocumentedFree planPlatformsFree trial$6.58/mofirst paid tier About Pentestas API ScannerVisit site - Free planFree trial apiLinuxmacOSWeb
- Free plan
- Yes
- Paid from
- 95 /mo
- API discovery
- No
- Authentication testing
- Yes
- Input-validation testing
- Yes
RecognisedDocumentedFree planPlatformsFree trial$95/mofirst paid tier About Pentest-Tools.com API ScannerVisit site - Web
- Free plan
- No
- Paid from
- 129 /mo
- API discovery
- Yes
- Authentication testing
- Yes
- Authorization testing
- Yes
- Input-validation testing
- Yes
RecognisedDocumentedFree planPlatformsFree trial - Free planFree trial apiWeb
- Free plan
- Yes
- Paid from
- 99 /mo
RecognisedDocumentedFree planPlatformsFree trial$99/mofirst paid tier About Beagle SecurityVisit site - WebWindowsmacOSLinuxRecognisedDocumentedFree planPlatformsFree trial
- Free planFree trial apiextensionLinuxmacOSself-hostedWebWindows
- Free plan
- No
- API discovery
- Yes
RecognisedDocumentedFree planPlatformsFree trial$9/mofirst paid tier About 42Crunch API Security PlatformVisit site - Web
- Free plan
- No
- API discovery
- Yes
- Authentication testing
- Yes
- Authorization testing
- Yes
RecognisedDocumentedFree planPlatformsFree trial - WindowsmacOSLinux
- API discovery
- Yes
- Authentication testing
- Yes
- Authorization testing
- Yes
- Input-validation testing
- Yes
RecognisedDocumentedFree planPlatformsFree trial - Free plan
- Free plan
- Yes
- Paid from
- 85 /mo
- Authentication testing
- Yes
RecognisedDocumentedFree planPlatformsFree trial - WebRecognisedDocumentedFree planPlatformsFree trial
- Free plan WindowsmacOSLinux
- Free plan
- Yes
- API discovery
- No
- Authentication testing
- No
- Authorization testing
- No
- Input-validation testing
- No
RecognisedDocumentedFree planPlatformsFree trial - WebWindowsmacOSLinux
- Paid from
- 5 /mo
RecognisedDocumentedFree planPlatformsFree trial -
- API discovery
- Yes
- Authentication testing
- Yes
- Authorization testing
- Yes
- Input-validation testing
- Yes
RecognisedDocumentedFree planPlatformsFree trial - Free trial AndroidapiiOSLinuxmacOSself-hostedWindowsRecognisedDocumentedFree planPlatformsFree trial
- WindowsmacOSLinux
- API discovery
- No
- Authentication testing
- Yes
- Input-validation testing
- Yes
RecognisedDocumentedFree planPlatformsFree trial - Web
- Free plan
- No
- Paid from
- 59 /mo
RecognisedDocumentedFree planPlatformsFree trial - WindowsLinux
- API discovery
- No
- Authorization testing
- Yes
- Input-validation testing
- Yes
RecognisedDocumentedFree planPlatformsFree trial
Is your platform 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 The Geeks Club?
Levo.ai is ranked #1 of 25 with a score of 9.1. Pynt is second and Operator third.
How many of these have a free plan?
14 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?
Certifications are listed from the provider's own catalogue with level, role and exam. Platforms are ranked on what each publishes: a free tier or trial, price, certificates offered, the devices it runs on and the depth of its documentation. Paid placements never change a rank.
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