Skip to contentAPILayer: production APIs with free plansExplore APILayer
Compliance Assessment Tool logo

Compliance Assessment Tool API alternatives

PCI DSS self-assessment for merchants: picks the SAQ type, returns filled SAQ + AoC PDFs. If it doesn't fit your project, here are the 10 best free Security APIs to use instead in 2026, out of 65 in the directory.

For reference, Compliance Assessment Tool API: Callable from the browser (CORS) · HTTPS.

  1. 1DefenceLevel Index logo

    DefenceLevel Index API

    Online · 1080 ms

    Daily cyber threat level (DEFCON 5 to 1) with open method, history in JSON/CSV and a badge.

    • No API key needed
    • 100% uptime (30 days)
    • Callable from the browser (CORS)
    • HTTPS
    No authHTTPSCORS
  2. 2IPLogs logo

    IPLogs API

    Online · 1003 ms

    Free VPN, proxy, Tor and datacenter IP detection. 13 sources, active probing.

    • No API key needed
    • 100% uptime (30 days)
    • Callable from the browser (CORS)
    • HTTPS
    No authHTTPSCORS
  3. 3OSV logo

    OSV API

    Online · 455 ms

    Open source vulnerability database and distributed triage infrastructure.

    • No API key needed
    • 100% uptime (30 days)
    • Callable from the browser (CORS)
    • HTTPS
    No authHTTPSCORS
  4. 4Passwordinator logo

    Passwordinator API

    Online · 406 ms

    Generate random passwords of varying complexities.

    • No API key needed
    • 100% uptime (30 days)
    • Callable from the browser (CORS)
    • HTTPS
    No authHTTPSCORS
  5. 5Presend logo

    Presend API

    Online · 529 ms

    Security and developer utility API -- malware, vulnerability, and domain checks, no signup.

    • No API key needed
    • 100% uptime (30 days)
    • Callable from the browser (CORS)
    • HTTPS
    No authHTTPSCORS
  6. 6IPGuardian logo

    IPGuardian API

    Online · 1734 ms

    Check IP addresses against 140+ public threat intelligence blocklists.

    • No API key needed
    • 100% uptime (30 days)
    • Callable from the browser (CORS)
    • HTTPS
    No authHTTPSCORS
  7. 7LoginRadius logo

    LoginRadius API

    Online · 1078 ms

    Comprehensive documentation for integrating LoginRadius authentication, user management, and identity solutions.

    • 100% uptime (30 days)
    • Callable from the browser (CORS)
    • HTTPS
    apiKeyHTTPSCORS
  8. 8Maskbreak logo

    Maskbreak API

    Online · 1054 ms

    Detect VPNs, proxies, Tor, bots and antidetect browsers at signup, login and checkout.

    • 100% uptime (30 days)
    • Callable from the browser (CORS)
    • HTTPS
    apiKeyHTTPSCORS
  9. 9Sealed Rose logo

    Sealed Rose API

    Online · 612 ms

    AI media forensics and synthetic content verification for video, audio, image, and text.

    • 100% uptime (30 days)
    • Callable from the browser (CORS)
    • HTTPS
    apiKeyHTTPSCORS
  10. 10SSL Labs logo

    SSL Labs API

    Online · 310 ms

    Deep SSL/TLS server analysis with A+ to F grading.

    • No API key needed
    • 100% uptime (30 days)
    • Fast: 310 ms response
    • HTTPS
    No authHTTPSCORS ?

Compliance Assessment Tool API vs alternatives

Compliance Assessment Tool API compared with its alternatives
APIAPI keyHTTPSCORSUptimeResponseRating
Compliance Assessment Tool logoCompliance Assessment ToolRequiredYesYesUp2000 msNot rated
DefenceLevel Index logoDefenceLevel IndexNoYesYes100%1080 msNot rated
IPLogs logoIPLogsNoYesYes100%1003 msNot rated
OSV logoOSVNoYesYes100%455 msNot rated
Passwordinator logoPasswordinatorNoYesYes100%406 msNot rated
Presend logoPresendNoYesYes100%529 msNot rated
IPGuardian logoIPGuardianNoYesYes100%1734 msNot rated
LoginRadius logoLoginRadiusRequiredYesYes100%1078 msNot rated
Maskbreak logoMaskbreakRequiredYesYes100%1054 msNot rated

See also: best Security APIs · all Security APIs

Compliance Assessment Tool API alternatives FAQ

What is the best free alternative to the Compliance Assessment Tool API in 2026?

The top-ranked free alternatives to the Compliance Assessment Tool API are DefenceLevel Index API, IPLogs API and OSV API, all in the Security category. Rankings combine access (API key, HTTPS, CORS), daily uptime checks and developer ratings.

Is there a Compliance Assessment Tool API alternative that doesn't need an API key?

Yes: DefenceLevel Index API, IPLogs API and OSV API work without an API key, unlike the Compliance Assessment Tool API, which uses apiKey authentication.

How many Security APIs are similar to the Compliance Assessment Tool API?

The directory lists 57 other free Security APIs. This page compares the top ones side by side.