The Best API Security Testing Software in 2026

• 27 tools ranked
• Updated Oct 2026
• Researched from official sources
• Compare tools in this directory
• Sponsor this list

We researched API security testing software from official websites, including pricing pages, plan tables and product documentation. Products are ranked on their core security-testing job, value for money and verified features across API discovery, authentication, authorization, validation and business-logic coverage in API Security Testing Software.

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

The full ranking 27 tools, best first

1. 1
   
   Levo.ai 9.4

   Best forFull-lifecycle API security testing

   A full-lifecycle API security platform spanning discovery, testing, and runtime monitoring.

   • Business-logic testing
   • Authorization testing
   • API discovery

   Free plan · pricing on request Our Levo.ai verdict → + Compare Visit Levo.aiFor vendors Sponsor this spot · #1 · $149/mo →
   9.4/10★★★★★

   Visit Levo.ai
2. 2
   
   Pynt 9.3

   Best forBroad API testing with flexible integrations

   Broad API security coverage with flexible integrations and a free entry plan.

   • Business-logic testing
   • Authorization testing
   • API discovery

   Free plan Our Pynt verdict → + Compare Visit PyntFor vendors Sponsor this spot · #2 · $99/mo →
   9.3/10★★★★★

   Visit Pynt
3. 3
   
   Akto API Security Platform 9.2

   Best forFree API security platform with broad coverage

   A broad API security platform with a free plan and hybrid deployment options.

   • API discovery

   Free plan Our Akto API Security Platform verdict → + Compare Visit AktoFor vendors Sponsor this spot · #3 · $79/mo →
   9.2/10★★★★★

   Visit Akto
4. 4
   
   Operator 9.1

   Best forRole-aware API security testing

   Role-aware API security testing with reproducible findings and hybrid deployment.

   • Business-logic testing
   • Authorization testing
   • API discovery

   Free plan Our Operator verdict → + Compare Visit OperatorFor vendors Sponsor this spot · #4 · $69/mo →
   9.1/10★★★★★

   Visit Operator
5. 5
   S
   Schemathesis 8.9

   Best forOpen-source schema and workflow testing

   Schema-driven API testing with workflows, adaptive checks, and CI reporting.

   Free plan Our Schemathesis verdict → + Compare Visit SchemathesisFor vendors Sponsor this spot · #5 · $59/mo →
   8.9/10★★★★☆

   Visit Schemathesis
6. 6
   
   APISec Platform 8.8

   Best forDeep enterprise API attack simulation

   Deep API attack simulation with discovery, business-logic testing, and replayable exploit evidence.

   • Business-logic testing
   • Authorization testing
   • API discovery

   Free plan Our APISec Platform verdict → + Compare Try APISec Platform
   8.8/10★★★★☆

   Try APISec Platform
7. 7
   AA
   AquilaX API Security Scanner 8.7

   Best forAffordable automated API scanning

   Affordable automated API scanning with active probing and broad developer-tool integrations.

   • Authorization testing
   • API discovery
   • Input-validation testing

   Free plan · 14-day trial Our AquilaX API Security Scanner verdict → + Compare Visit AquilaX
   8.7/10★★★★☆

   Visit AquilaX
8. 8
   
   42Crunch API Security Platform 8.6

   Best forAPI governance and runtime protection

   A broad API security platform with affordable individual pricing and enterprise runtime controls.

   • API discovery

   Our 42Crunch API Security Platform verdict → + Compare Visit 42Crunch
   8.6/10★★★★☆

   Visit 42Crunch
9. 9
   
   ApyGuard API Security Scanner 8.5

   Best forFocused authenticated API vulnerability scanning

   Focused API vulnerability scanning with authenticated testing and CI/CD release gates.

   • Business-logic testing
   • Authorization testing
   • API discovery

   From $129/mo · 7-day trial Our ApyGuard API Security Scanner verdict → + Compare Visit ApyGuard
   8.5/10★★★★☆

   Visit ApyGuard
10. 10
    
    ZeroThreat 8.3

    Best forAffordable broad web and API scanning

    Affordable scanning for teams that need broad web and API coverage.

    Free plan Our ZeroThreat verdict → + Compare Visit ZeroThreat
    8.3/10★★★★☆

    Visit ZeroThreat
11. 11
    
    Bright Security DAST 8.2

    Best forHybrid web and API DAST

    A broad hybrid DAST platform for authenticated web and API testing.

    Pricing on request Our Bright Security DAST verdict → + Compare Visit site
    8.2/10★★★★☆

    Visit site
12. 12
    
    Escape 8.1

    Best forBusiness-logic-aware API and web testing

    A broad API and web security platform with business-logic-aware testing and contact-sales pricing.

    Pricing on request Our Escape verdict → + Compare Visit Escape
    8.1/10★★★★☆

    Visit Escape
13. 13
    
    Equixly 8.0

    Best forAI-driven API penetration testing

    AI-driven API penetration testing with exploit-validated findings and CI/CD automation.

    • Business-logic testing
    • Authorization testing
    • API discovery

    Our Equixly verdict → + Compare Visit Equixly
    8.0/10★★★★☆

    Visit Equixly
14. 14
    
    Pentestas API Scanner 7.9

    Best forMulti-protocol API testing

    A multi-protocol API scanner with useful free access and broad security checks.

    • Authorization testing
    • API discovery
    • Input-validation testing

    Free plan · 14-day trial Our Pentestas API Scanner verdict → + Compare Visit Pentestas
    7.9/10★★★★☆

    Visit Pentestas
15. 15
    
    Beagle Security 7.8

    Best forAI penetration testing for APIs and web apps

    AI penetration testing with authenticated API coverage, discovery, and CI/CD integrations.

    Free plan · 14-day trial Our Beagle Security verdict → + Compare Try Beagle Security
    7.8/10★★★★☆

    Try Beagle Security
16. 16
    
    StackHawk HawkScan 7.6

    Best forDeveloper-friendly authenticated API DAST

    A developer-focused DAST scanner for authenticated, API-heavy environments.

    Our StackHawk HawkScan verdict → + Compare Visit StackHawk
    7.6/10★★★★☆

    Visit StackHawk
17. 17
    OA
    OWASP API Security Testing Framework 7.5

    Best forOpen-source OWASP API Top 10 testing

    A focused self-hosted CLI for OWASP API Top 10 coverage and CI checks.

    • Authorization testing
    • API discovery
    • Input-validation testing

    Open source Our OWASP API Security Testing Framework verdict → + Compare Visit OWASP ASTF
    7.5/10★★★★☆

    Visit OWASP ASTF
18. 18
    
    VulnAPI 7.4

    Best forOpen-source API security automation

    A self-hosted API security scanner covering discovery, contracts, GraphQL, and CI/CD checks.

    • Business-logic testing
    • Authorization testing
    • API discovery

    Open source Our VulnAPI verdict → + Compare Visit VulnAPI
    7.4/10★★★★☆

    Visit VulnAPI
19. 19
    R
    RESTler 7.3

    Best forStateful REST API fuzzing

    A focused open-source tool for dependency-aware REST API fuzzing and replayable findings.

    Free plan Our RESTler verdict → + Compare Visit RESTler
    7.3/10★★★★☆

    Visit RESTler
20. 20
    
    Pentest-Tools.com API Scanner 7.2

    Best forEvidence-rich API vulnerability scans

    A cloud API scanner with strong evidence, useful formats, and a clear paid path.

    • Input-validation testing
    • Authentication testing

    Free plan · 7-day trial Our Pentest-Tools.com API Scanner verdict → + Compare Visit Pentest-Tools
    7.2/10★★★★☆

    Visit Pentest-Tools
21. 21
    
    Indusface WAS 7.1

    Best forBudget web application and API scanning

    A budget-friendly cloud scanner with authenticated testing, API discovery, and CI/CD support.

    14-day trial Our Indusface WAS verdict → + Compare Visit Indusface
    7.1/10★★★★☆

    Visit Indusface
22. 22
    
    PurpleTeam 7.0

    Best forOpen-source hybrid API DAST

    A flexible open-source hybrid API DAST tool with strong CI/CD and reporting support.

    • Authentication testing

    Free plan · 14-day trial Our PurpleTeam verdict → + Compare Visit PurpleTeam
    7.0/10★★★★☆

    Visit PurpleTeam
23. 23
    
    RapiFuzz APIFuzzer 6.9

    Best forFuzzing across multiple API formats

    A broad API fuzzing tool for teams testing multiple API formats.

    • Authorization testing
    • API discovery
    • Input-validation testing

    Pricing on request · 15-day trial Our RapiFuzz APIFuzzer verdict → + Compare Visit RapiFuzz
    6.9/10★★★☆☆

    Visit RapiFuzz
24. 24
    
    Parasoft SOAtest 6.8

    Best forEnterprise-wide API and software testing

    A wide testing platform for teams that need API security within broader QA coverage.

    Pricing on request Our Parasoft SOAtest verdict → + Compare Visit Parasoft
    6.8/10★★★☆☆

    Visit Parasoft
25. 25
    W
    WuppieFuzz 6.7

    Best forCoverage-guided REST API fuzzing

    A focused open-source fuzzer for exploring REST API behavior from OpenAPI or Swagger specifications.

    • Input-validation testing
    • Authentication testing

    Open source Our WuppieFuzz verdict → + Compare Visit WuppieFuzz
    6.7/10★★★☆☆

    Visit WuppieFuzz
26. 26
    AA
    Automatic API Attack Tool 6.5

    Best forSimple free Swagger API fuzzing

    A focused free tool for Swagger 2.0 fuzzing, validation, and CI/CD checks.

    • Authorization testing
    • Input-validation testing

    Open source Our Automatic API Attack Tool verdict → + Compare Visit Imperva
    6.5/10★★★☆☆

    Visit Imperva
27. 27
    GC
    GraphQL-Cop 6.4

    Best forFocused GraphQL security checks

    A focused GraphQL checker for common exposure, overload, CSRF, and debug-mode risks.

    Free plan Our GraphQL-Cop verdict → + Compare Visit GraphQL-Cop
    6.4/10★★★☆☆

    Visit GraphQL-Cop

No tools match those filters.

Compare at a glance

#	Tool	Free plan	Paid from	Authentication testing	Input-validation testing	Score
1	Levo.ai	Yes		Yes	Yes	9.4
2	Pynt	Yes		Yes	Yes	9.3
3	Akto API Security Platform	Yes				9.2
4	Operator	Yes		Yes	Yes	9.1
5	SSchemathesis	Yes	Free			8.9
6	APISec Platform	Yes	$8,275/unit/yr	Yes	Yes	8.8
7	AAAquilaX API Security Scanner	Yes	$19/mo	Yes	Yes	8.7
8	42Crunch API Security Platform	No	$9/user/mo			8.6
9	ApyGuard API Security Scanner	No	$129/mo	Yes	Yes	8.5
10	ZeroThreat	Yes	$100/mo			8.3
11	Bright Security DAST					8.2
12	Escape					8.1
13	Equixly	No	€4,999 one-time	Yes		8.0
14	Pentestas API Scanner	Yes	$79/mo	Yes	Yes	7.9
15	Beagle Security	Yes	$99/mo			7.8
16	StackHawk HawkScan					7.6
17	OAOWASP API Security Testing Framework		Free	Yes	Yes	7.5
18	VulnAPI		Free	Yes	Yes	7.4
19	RRESTler	Yes	Free			7.3
20	Pentest-Tools.com API Scanner	Yes	$95/mo	Yes	Yes	7.2
21	Indusface WAS	No	$599/unit/yr			7.1
22	PurpleTeam	Yes	$85/mo	Yes		7.0
23	RapiFuzz APIFuzzer			Yes	Yes	6.9
24	Parasoft SOAtest					6.8
25	WWuppieFuzz		Free	Yes	Yes	6.7
26	AAAutomatic API Attack Tool		Free		Yes	6.5
27	GCGraphQL-Cop	Yes	Free	No	No	6.4

Head-to-head All 28 comparisons →

• Levo.ai vs Pynt
• Levo.ai vs Akto API Security Platform
• Levo.ai vs Operator
• SLevo.ai vs Schemathesis
• Levo.ai vs APISec Platform
• AALevo.ai vs AquilaX API Security Scanner
• Levo.ai vs 42Crunch API Security Platform
• Pynt vs Akto API Security Platform
• Pynt vs Operator

How we rank API security testing software

Every tool on this page was researched by iTechGuides Editors from its official website — pricing pages, plan tables and product documentation. We rank on how well each one does this category's core job, what the free or entry plan includes, and where it falls short. Where we have enough verified facts, the score out of 10 is a rubric — job fit, value and how much we could verify — shown with its breakdown on every tool's page; a tool we have not verified enough to score yet shows its rank without a number. Scores are re-checked when a product changes its plans. Read the full editorial policy, or submit a tool we missed.

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated 7 Oct 2026 · How we research and update