AI security tools with an API

Figure and bar: visits/mo, estimate · year: online since

1. #1C

   CloudflareMCP · open

   Proxies website traffic through a global network for CDN caching, DNS, DDoS protection and a web firewall, plus Workers serverless code and zero-trust access.

   4.9M
   Active
   From $20/mo
   2009
2. #13S

   Sonar

   Analyzes source code statically in IDEs, CI pipelines and pull requests, reporting bugs, code smells, vulnerabilities and coverage against quality gates.

   72.4k
   Active
   From $34/mo
   2007
3. #14V

   Vanta

   Automates compliance evidence collection and audit preparation across SOC 2, HIPAA, ISO 27001, and other frameworks.

   71.1k
   Active
   Contact sales
4. #24F

   FusionAuthMCP · open

   Hosts login, single sign-on, multi-factor and passwordless authentication, plus user management and role-based access, self-hosted or on FusionAuth's cloud.

   42.2k
   Active
   From $162/mo
5. #29S

   Socure

   Verifies identities and detects fraud using machine learning for onboarding and authentication.

   28.2k
   Active
   From $0.80 per use
6. #31S

   Stytch AI

   Provides authentication, authorization and fraud detection APIs and SDKs for web apps, mobile apps and AI agents.

   23k
   Active
   Free plan
7. #32T

   TruthScanMCP · sign-in

   Detects AI-generated and manipulated images and PDFs in real time via API to prevent fraud in claims, returns, and document verification.

   20.3k
   Active
   From $24/mo
8. #33A

   AZAPI.ai

   Extracts text and fields from documents and ID cards, verifies identity documents and solves CAPTCHAs through REST APIs.

   16.5k
   Active
   Free plan
9. #36G

   Guardrails AI

   Detects policy violations, hallucinations, and data leakage in large language model outputs at runtime.

   11.5k
10. #42I

    IsThisSpam

    Analyzes emails, texts, and websites to detect phishing, scams, and malicious content with instant verdicts.

    6.8k
    Active
    From ≈ $3.51/mo
11. #43F

    Facia

    Verifies identities with face matching and liveness checks and detects deepfakes in images and video calls through an API and SDKs.

    6.8k
    Active
    From $0.10 per use
    2022
12. #44B

    Barndoor AI

    Routes AI model and agent requests through access controls, data-loss prevention and audit logging before they reach the model.

    6.5k
    Active
    Contact sales
13. #46M

    Modulate

    Analyzes live voice conversations to flag toxicity, fraud, deepfake voices and compliance breaches, for game voice chat and contact centers.

    6.2k
    Active
    From $0.01 per use
14. #51O

    Oso Cloud Policy AI

    Evaluates application authorization rules written in the Polar policy language through an API, deciding which users or agents can access what.

    4.4k
    Active
    From $15/user/mo
15. #53H

    HiddenLayer

    Detects and prevents attacks on AI systems across discovery, supply chain, simulation, and runtime environments.

    4.1k
    Active
    Contact sales
16. #56D

    DiditMCP · sign-in

    Verifies user identity through one API with document checks, face liveness, AML screening and transaction monitoring for KYC compliance.

    3.4k
    Active
    From $0.33 per use
    2023
17. #58P

    Permit.io

    Evaluates access control decisions for applications, APIs, and AI agents using role-based, attribute-based, and relationship-based policies.

    3.4k
    Active
    Free plan
18. #59F

    FleetDM AI

    Manages and patches laptops, phones and servers across macOS, Windows, Linux, iOS and Android from one open-source console built on osquery.

    3.3k
    Active
    From $7/mo
19. #61L

    Lakera

    Detects and prevents prompt injection attacks, data leakage, and jailbreaks in AI applications with real-time threat detection.

    2.9k
    Active
    Free plan
    1993
20. #62S

    Silobreaker

    Aggregates security intelligence signals from multiple sources and applies analysis across cyber, geopolitical, and physical risks.

    2.9k
    Active
21. #63T

    Transmit Security

    Detects autonomous agents accessing applications and enforces runtime access policies based on agent classification.

    2.3k
    Active
    From $50,000/yr
    2014
22. #65S

    Superagent Cloud

    Runs security checks on AI agents, scanning code, dependencies, and runtime behavior for vulnerabilities.

    2.2k
    Active
    From $499/mo
23. #66I

    IndiciaMCP · sign-in

    Runs OSINT searches across breach dumps, person records, social platforms and network infrastructure from one query, with an agent driving a browser.

    2.1k
    Active
    From $1 per use
24. #72S

    Skyflow

    Encrypts and controls access to sensitive data across enterprise systems and AI applications at runtime.

    1.4k
    Active
    Contact sales
    2019
25. #73S

    StrixMCP · sign-in

    Runs automated penetration tests across code, APIs, web apps, and infrastructure, validating findings and generating merge-ready fixes.

    1.4k
    Active
    From $29/user/mo
26. #75X

    XposedOrNotMCP · open

    Searches indexed data breach records for an email address or domain and reports which breaches, leaked fields and a risk score appear.

    1.3k
    Active
    From $9/mo
    2017
27. #85R

    Ridge Security

    Continuously finds and validates exploitable vulnerabilities through automated penetration testing and agentic red teaming.

    925
    Active
28. #90A

    ArcjetMCP · sign-in

    Checks each action an AI agent takes against prompt injection, PII, bot and policy rules before the call runs, and logs the decision.

    738
    Active
    From $25/mo
29. #91A

    AI Security Guard

    Detects malicious packages, scans prompts for injection attacks, and monitors agent runtime security.

    675
    Maintained
    Free
    2025
30. #92N

    Nurbak

    Scans GitHub repositories for vulnerabilities using a private AI model without sending code to third parties.

    644
    Active
    From $79/mo
31. #94C

    ChainGPT AI Hub

    Provides AI tools for blockchain analysis, smart contract generation and auditing, and crypto trading assistance.

    622
    Active
    From $0.01 per use
32. #97D

    DomainScan AI

    Monitors SSL certificates, DNS records, DMARC policies, and domain security threats with automated alerts and fixes.

    587
    Active
    From $9/mo
33. #100B

    Bynn Document Fraud Detection SoftwareMCP · sign-in

    Analyzes uploaded PDFs and images for forgery, post-signature edits and AI-generated content, returning an authenticity report via dashboard or webhook.

    552
    Active
    From $99/mo
    2003
34. #101D

    DocVerify

    Detects forged and manipulated documents through forensic analysis before AI agents process them.

    542
    Active
    From $10/mo
35. #105L

    LayerCallMCP · open

    API that scores signups, IPs, emails, phones, domains and devices for fraud risk in a single call.

    436
    Active
    From $49/mo
36. #109A

    APort

    Enforces authorization policies for AI agents before they execute shell commands, access files, call tools, or modify repositories.

    395
    Active
    From $499/mo
    2024
37. #116D

    Dutifi

    Answers tariff classification, duty rate, and trade compliance questions against live EU and international regulations.

    339
    Active
    From ≈ $111/mo
38. #117N

    NOAN

    Stores and serves verified business facts to AI agents, apps, and sites through a single API.

    335
    Active
    From $99/mo
39. #118C

    Cleared

    Runs identity, background, and employment verification checks for hiring, tenant screening, and KYC onboarding in Jamaica and the Caribbean.

    330
    Active
40. #119W

    Wardstone

    Detects prompt injection attacks, jailbreaks, harmful content, and PII leakage in LLM inputs and outputs.

    298
    Active
    From $199/mo
41. #120C

    Checkstep

    Scans text, image, video and audio content to enforce policies and detect abuse at scale.

    291
    Active
42. #123L

    ListarMCP · sign-in

    Finds verified work emails and direct phone numbers for contacts from LinkedIn profiles, CSV files or company names, querying 30 data sources.

    242
    Active
    From ≈ $0.11 per use
43. #126F

    Flowtriq

    Detects and automatically mitigates DDoS attacks in under one second using traffic analysis and BGP rules.

    202
    Active
    From $7.99/user/mo
    2025
44. #128S

    SmartDocs

    Generates safety data sheets and manages REACH chemical compliance documentation through an API.

    191
    Maintained
    From ≈ $0.07 per use
45. #130W

    Walrus

    Stores and verifies data for AI agents and applications with portable, persistent, and independently verifiable storage.

    173
    Active
    2025
46. #133C

    ConsentStackMCP · sign-in

    Consent banner and script blocker that detects visitor jurisdiction, applies matching GDPR or CCPA consent models, and reports consent rates.

    158
    Active
    From $29/mo
    2025
47. #134E

    Email List ValidationMCP · open

    Verifies email lists for deliverability, flagging invalid, risky and role-based addresses, spam traps and complainers, then exports cleaned segments.

    156
    Active
    From $14/mo
48. #136U

    URL Scanner Online (Aprensec)

    Scans URLs for malware, SSL issues, DNS records, phishing, and security misconfigurations with downloadable reports.

    149
    From ≈ $5.62 once