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Best Checkmarx API Security Alternatives in 2026

#25 of 30 in API Security Software

The top Checkmarx API Security alternatives are Cequence Unified API Protection, Akamai API Security and Salt Security API Protection Platform: 15 API security software our editors would look at instead of Checkmarx API Security, in our ranking order.

6.8/10Editor score
Visit Checkmarx
Checkmarx API Security6.8 Visit Checkmarx

Checkmarx API Security: A strong API inventory and discovery layer, but not a complete runtime protection platform. Where it falls short: does not provide verified runtime protection.

Switching from Checkmarx API Security? For most api security software buyers the best Checkmarx API Security alternative is Cequence Unified API Protection, built for large enterprises needing end-to-end API security. On a budget, 42Crunch API Security Platform starts at $9/user/mo. Wallarm API Security has a free plan, which Checkmarx API Security does not.

Why People Look for a Checkmarx API Security Alternative

  • Does not provide verified runtime protection
  • Pricing requires a custom quote
  • Best suited to Checkmarx One environments
  • No free plan — 2 of the alternatives below have it
  • No runtime protection — 14 of the alternatives below have it

Quick Picks by What You Need

All 15 Checkmarx API Security Alternatives, Ranked

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.

  1. Cequence Unified API Protection

    Best forLarge enterprises needing end-to-end API security

    • Better than Checkmarx API Security:
    • Runtime protection
    • Editor score 9.4 vs 6.8

    A broad API security platform for enterprises that need discovery through runtime defense.

    • Runtime protection
    • Specification governance
    • Sensitive data detection
    Pricing on request Our Cequence Unified API Protection verdict → Visit Cequence
    9.4/10★★★★★
    Visit Cequence
  2. Akamai API Security

    Best forEnterprises needing broad API visibility and testing

    • Better than Checkmarx API Security:
    • Runtime protection
    • Editor score 9.3 vs 6.8

    A broad API security platform for enterprises that need discovery, testing, and runtime analysis.

    • Runtime protection
    • Specification governance
    • Sensitive data detection
    Pricing on request Our Akamai API Security verdict → Visit Akamai
    9.3/10★★★★★
    Visit Akamai
  3. Salt Security API Protection Platform

    Best forCloud-native enterprises with hybrid API estates

    • Better than Checkmarx API Security:
    • Runtime protection
    • Editor score 9.2 vs 6.8

    Enterprise API security spanning discovery, governance, sensitive data, and runtime threats.

    • Runtime protection
    • Specification governance
    • Sensitive data detection
    Pricing on request Our Salt Security API Protection Platform verdict → Visit Salt Security
    9.2/10★★★★★
    Visit Salt Security
  4. Wallarm API Security

    Best forTeams wanting broad API security with a free tier

    • Better than Checkmarx API Security:
    • Free plan
    • Runtime protection
    • Editor score 9.1 vs 6.8

    A broad API security platform with discovery, runtime protection, and a free tier.

    • Runtime protection
    • Specification governance
    • Sensitive data detection
    Free plan · 14-day trial Our Wallarm API Security verdict → Visit Wallarm
    9.1/10★★★★★
    Visit Wallarm
  5. Akto API Security Platform

    Best forTeams wanting open-source API security with broad coverage

    • Better than Checkmarx API Security:
    • Free plan
    • Runtime protection
    • Editor score 9.0 vs 6.8

    Open-source API security with discovery, testing, posture management, and runtime protection.

    • Runtime protection
    • Specification governance
    • Sensitive data detection
    Free plan Our Akto API Security Platform verdict → Visit Akto
    9.0/10★★★★☆
    Visit Akto
  6. APIDynamics

    Best forMulti-cloud teams needing enforcement and monitoring

    • Better than Checkmarx API Security:
    • Runtime protection
    • Editor score 8.9 vs 6.8

    A broad API security platform for multi-cloud discovery, enforcement, monitoring, and compliance.

    • Runtime protection
    • Sensitive data detection
    • API posture management
    Pricing on request Our APIDynamics verdict → Visit APIDynamics
    8.9/10★★★★☆
    Visit APIDynamics
  7. Imperva API Security

    Best forEnterprises needing OWASP-focused API risk reduction

    • Better than Checkmarx API Security:
    • Runtime protection
    • Editor score 8.7 vs 6.8

    A broad API security platform for enterprises focused on discovery and OWASP risk reduction.

    • Runtime protection
    • Specification governance
    • Sensitive data detection
    Pricing on request Our Imperva API Security verdict → Visit Imperva
    8.7/10★★★★☆
    Visit Imperva
  8. ThreatX API and Application Protection

    Best forTeams needing API and application protection together

    • Better than Checkmarx API Security:
    • Runtime protection
    • Editor score 8.6 vs 6.8

    A managed platform combining API security, WAF, bot, and DDoS protection.

    • Runtime protection
    • Specification governance
    • Sensitive data detection
    Pricing on request Our ThreatX API and Application Protection verdict → Visit ThreatX
    8.6/10★★★★☆
    Visit ThreatX
  9. Prophaze API Security

    Best forHybrid teams needing broad runtime API controls

    • Better than Checkmarx API Security:
    • Runtime protection
    • Editor score 8.5 vs 6.8

    Broad API security coverage for hybrid teams, with contact-sales pricing.

    • Runtime protection
    • Specification governance
    • Sensitive data detection
    Pricing on request Our Prophaze API Security verdict → Visit Prophaze
    8.5/10★★★★☆
    Visit Prophaze
  10. Traceable API Security Platform

    Best forEnterprises wanting full-lifecycle API protection

    • Better than Checkmarx API Security:
    • Runtime protection
    • Editor score 8.4 vs 6.8

    A broad API security platform for enterprises that need lifecycle coverage from discovery to runtime defense.

    • Runtime protection
    • Specification governance
    • Sensitive data detection
    Pricing on request Our Traceable API Security Platform verdict → Visit Traceable
    8.4/10★★★★☆
    Visit Traceable
  11. Palo Alto Networks Cortex Cloud API Security

    Best forCloud and Linux teams needing API runtime defense

    • Better than Checkmarx API Security:
    • Runtime protection
    • Editor score 8.3 vs 6.8

    A hybrid API security platform for discovery, risk prioritization and runtime defense.

    • Runtime protection
    • Specification governance
    • Sensitive data detection
    Pricing on request Our Palo Alto Networks Cortex Cloud API Security verdict → Visit site
    8.3/10★★★★☆
    Visit site
  12. Haltdos

    Best forHybrid API gateway and WAF control

    • Better than Checkmarx API Security:
    • Runtime protection
    • Editor score 8.2 vs 6.8

    A hybrid API gateway and WAF platform for discovery, validation, and traffic control.

    • Runtime protection
    • Specification governance
    • Sensitive data detection
    Our Haltdos verdict → Visit Haltdos
    8.2/10★★★★☆
    Visit Haltdos
  13. Datadog App & API Protection

    Best forObservability teams adding API runtime protection

    • Better than Checkmarx API Security:
    • Runtime protection
    • Editor score 8.1 vs 6.8

    A strong fit for observability teams that need API discovery and runtime blocking.

    • Runtime protection
    • Specification governance
    • Sensitive data detection
    14-day trial Our Datadog App & API Protection verdict → Visit Datadog
    8.1/10★★★★☆
    Visit Datadog
  14. 42Crunch API Security Platform

    Best forDevelopers seeking affordable API security testing

    • Better than Checkmarx API Security:
    • Runtime protection
    • Editor score 8.0 vs 6.8

    Affordable API security testing with governance and enterprise runtime controls.

    • Runtime protection
    • Specification governance
    • Sensitive data detection
    Our 42Crunch API Security Platform verdict → Visit 42Crunch
    8.0/10★★★★☆
    Visit 42Crunch
  15. Escape

    Best forTeams prioritizing authenticated API security testing

    • Better than Checkmarx API Security:
    • Editor score 7.9 vs 6.8

    Business-logic-aware API security testing with authenticated, multi-role coverage.

    Pricing on request Our Escape verdict → Visit Escape
    7.9/10★★★★☆
    Visit Escape

Checkmarx API Security Alternatives: Common Questions

What is the best alternative to Checkmarx API Security?

Cequence Unified API Protection: #1 in our API Security Software ranking, with an editor score of 9.4 out of 10. A broad API security platform for enterprises that need discovery through runtime defense.

Is there a free alternative to Checkmarx API Security?

Yes. Wallarm API Security and Akto API Security Platform have a free plan or a free tier.

What is the cheapest paid alternative to Checkmarx API Security?

Of the alternatives here that publish a price, 42Crunch API Security Platform starts lowest, at $9/user/mo.

Why do people look for Checkmarx API Security alternatives?

Does not provide verified runtime protection; Pricing requires a custom quote; Best suited to Checkmarx One environments.

How do I switch from Checkmarx API Security?

Export your data from Checkmarx API Security (most tools have an export in their settings). Sign up for the alternative; start on its free plan or trial if it has one. Import your export and set up the integrations your team relies on. Run both side by side for a short while, then cancel Checkmarx API Security.

How to Switch from Checkmarx API Security

  1. Export your data from Checkmarx API Security (most tools have an export in their settings).
  2. Sign up for the alternative; start on its free plan or trial if it has one.
  3. Import your export and set up the integrations your team relies on.
  4. Run both side by side for a short while, then cancel Checkmarx API Security.

Checkmarx API Security vs Each Alternative

#ToolPaid fromAPI discoveryRuntime protectionAPI posture managementSensitive data detectionScore
25Checkmarx API SecurityYesNoYesYes6.8
1Cequence Unified API ProtectionYesYesYesYes9.4
2Akamai API SecurityYesYesYesYes9.3
3Salt Security API Protection PlatformYesYesYesYes9.2
4Wallarm API SecurityYesYesYesYes9.1
5Akto API Security PlatformYesYesYesYes9.0
6APIDynamicsYesYesYesYes8.9
7Imperva API SecurityYesYesYesYes8.7
8ThreatX API and Application ProtectionYesYesYesYes8.6
9Prophaze API SecurityYesYesYesYes8.5
10Traceable API Security PlatformYesYesYesYes8.4
11Palo Alto Networks Cortex Cloud API SecurityYesYesYesYes8.3
12HaltdosYesYesYesYes8.2
13Datadog App & API Protection$31/device/moYesYesYesYes8.1
1442Crunch API Security Platform$9/user/moYesYesYesYes8.0
15Escape7.9

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update