Best API Security Testing Software in 2026
Updated
In short: Parasoft SOAtest is ranked #1 of 27 as of 4 October 2026, ahead of 42Crunch API Security Platform and APISec Platform. The best-ranked option with a free plan is 42Crunch API Security Platform. The lowest first paid tier on this page is Pentestas API Scanner at $6.58/mo.
API security testing tools can be compared by what they examine and how they are deployed. The criteria cover API discovery and formats, authentication and authorization testing, business-logic testing, and input validation. Deployment model, free-plan availability and paid-from pricing add practical considerations. Levo.ai and Pynt lead the entries, followed by Akto API Security Platform and Operator; APISec Platform is also among the first shown. Use these comparison points to assess which testing areas and deployment approach are relevant to your APIs, without assuming that every option covers the same needs.
27 API security testing software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
Recognised 40% · Phone app 26% · Documented 20% · Free plan 14% of the score
- 1 Parasoft SOAtest iPhone + Android RecognisedPhone appDocumentedFree plan 7.3
- 2 42Crunch API Security Platform No phone app RecognisedPhone appDocumentedFree plan 6.4$9/mo API discovery: Yes
- 3 APISec Platform No phone app RecognisedPhone appDocumentedFree plan 6.4$690/mo API discovery: YesAuthentication testing: YesAuthorization testing: Yes
- 4 AquilaX API Security Scanner No phone app RecognisedPhone appDocumentedFree plan 6.4$19/mo API discovery: YesAuthentication testing: YesAuthorization testing: Yes
- 5 Beagle Security No phone app RecognisedPhone appDocumentedFree plan 6.4$99/mo
- 6 Pynt No phone app RecognisedPhone appDocumentedFree plan 6.4Free API discovery: YesAuthentication testing: YesAuthorization testing: Yes
- 7 VulnAPI No phone app RecognisedPhone appDocumentedFree plan 6.3Free API discovery: YesAuthentication testing: YesAuthorization testing: Yes
- 8 ZeroThreat No phone app RecognisedPhone appDocumentedFree plan 6.3$100/mo
- 9 Schemathesis No phone app RecognisedPhone appDocumentedFree plan 6.2Free
- 10 Akto API Security Platform No phone app RecognisedPhone appDocumentedFree plan 5.9 API discovery: Yes
- 11 ApyGuard API Security Scanner No phone app RecognisedPhone appDocumentedFree plan 5.9$129/mo API discovery: YesAuthentication testing: YesAuthorization testing: Yes
- 12 Bright Security DAST No phone app RecognisedPhone appDocumentedFree plan 5.9
- 13 Operator No phone app RecognisedPhone appDocumentedFree plan 5.9 API discovery: YesAuthentication testing: YesAuthorization testing: Yes
- 14 Levo.ai No phone app RecognisedPhone appDocumentedFree plan 5.8 API discovery: YesAuthentication testing: YesAuthorization testing: Yes
- 15 Pentest-Tools.com API Scanner No phone app RecognisedPhone appDocumentedFree plan 5.8$95/mo API discovery: NoAuthentication testing: Yes
- 16 Pentestas API Scanner No phone app RecognisedPhone appDocumentedFree plan 5.8$6.58/mo API discovery: YesAuthentication testing: YesAuthorization testing: Yes
- 17 Escape No phone app RecognisedPhone appDocumentedFree plan 5.7
- 18 Equixly No phone app RecognisedPhone appDocumentedFree plan 5.6 API discovery: YesAuthentication testing: YesAuthorization testing: Yes
- 19 Indusface WAS No phone app RecognisedPhone appDocumentedFree plan 5.6$49.92/mo
- 20 GraphQL-Cop No phone app RecognisedPhone appDocumentedFree plan 5.4 API discovery: NoAuthentication testing: NoAuthorization testing: No
- 21 OWASP Amass No phone app RecognisedPhone appDocumentedFree plan 5.4 API discovery: YesAuthentication testing: YesAuthorization testing: Yes
- 22 PurpleTeam No phone app RecognisedPhone appDocumentedFree plan 5.4 Authentication testing: Yes
- 23 RapiFuzz APIFuzzer No phone app RecognisedPhone appDocumentedFree plan 5.4 API discovery: YesAuthentication testing: YesAuthorization testing: Yes
- 24 Automatic API Attack Tool No phone app RecognisedPhone appDocumentedFree plan 5.3 API discovery: NoAuthorization testing: Yes
- 25 WuppieFuzz No phone app RecognisedPhone appDocumentedFree plan 5.3 API discovery: NoAuthentication testing: Yes
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 Samsung Mobile US Press?
Parasoft SOAtest is ranked #1 of 27 with a score of 7.3. 42Crunch API Security Platform is second and APISec Platform 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 mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation. Paid placements never change a rank.