Top Free API Security Tools - Page 2

AppTrana

AppTrana API is a fully managed API security platform that provides continuous API discovery, automated vulnerability detection, and real-time protection against API attacks. It combines 24/7 AI-driven intelligence with human-led operations to deliver runtime security with a Zero False Positive Guarantee. Trusted by over 6,500 customers across 95+ countries, it offers unmetered protection with 100% availability. AppTrana API includes SwyftComply, an industry-first autonomous remediation capability that virtually patches API vulnerabilities without code changes, enabling zero-vulnerability compliance reports.

Average Rating: 4.8/5.0

Total Reviews: 34

APPCHECK

AppCheck is a Dynamic Application Security Testing (DAST) and network vulnerability testing solution, developed and supported by experienced penetration testers. We approach security testing as a hacker would, leveraging multiple proprietary crawling engines to analyse target behaviour across both modern and traditional technologies, including Single Page Applications (SPAs), APIs, and complex authentication flows such as SSO, 2FA, and TOTP. Organisations can conduct unlimited security assessments across Web Applications, SPAs, APIs, cloud services, networks, across internal or external assets. Supporting production and UAT testing, AppCheck also helps organisations ‘shift left’ by integrating with CI/CD pipelines and build servers, including ADO, GitHub, Jenkins, TeamCity, CircleCI, TravisCI, Bamboo, and GitLab CI/CD. Allowing automated security testing throughout development, identifying risks as soon as changes are introduced. AppCheck are proud to be part of the CVE Numbering Authority (CNA), contributing to global security research

Average Rating: 4.7/5.0

Total Reviews: 68

Beagle Security

Beagle Security helps you identify vulnerabilities in your web applications, APIs, GraphQL and remediate them with actionable insights before hackers harm you in any manner. With Beagle Security, you can integrate automated penetration testing into your CI/CD pipeline to identify security issues earlier in your development lifecycle and ship safer web applications. Major features: - Checks your web apps & APIs for 3000+ test cases to find security loopholes - OWASP & SANS standards - Recommendations to address security issues - Security test complex web apps with login - Compliance reports (GDPR, HIPAA & PCI DSS) - Test scheduling - DevSecOps integrations - API integration - Team access - Integrations with popular tools like Slack, Jira, Asana, Trello & 100+ other tools

Average Rating: 4.7/5.0

Total Reviews: 85

Akto API Security Platform

Akto is a trusted platform for application security and product security teams to build an enterprise-grade API security program throughout their DevSecOps pipeline. Our industry-leading suite of — API discovery, API security posture management, sensitive data exposure, and API security testing solutions enables organizations to gain visibility in their API security posture. 1,000+ Application Security teams globally trust Akto for their API security needs. Akto use cases: 1. API Discovery 2. API Security Testing in CI/CD 3. API Security Posture Management 4. Authentication and Authorization Testing 5. Sensitive data Exposure 6. Shift left in DevSecOps

Average Rating: 4.5/5.0

Total Reviews: 54

FireTail

FireTail is the first end-to-end AI security platform that provides the visibility, insight, and control necessary to enable secure AI adoption, foster innovation, and harness the full potential of AI without exposing the organization to unnecessary risk. Instead of being a blocker, FireTail empowers security and engineering teams to build a program of informed AI governance, transforming security into an innovation accelerator. The reality is that AI is already pervasive in your organization. With 90% of AI usage happening as "Shadow AI" outside of formal oversight, and 97% of organizations using GenAI reporting AI-related security incidents, you cannot afford to be flying blind. FireTail provides the comprehensive platform to discover, assess, and govern AI use across your entire enterprise. Core Capabilities Continuous AI Discovery - You can't govern what you can't see. FireTail establishes a complete, continuously updated inventory of all AI usage by discovering it in the three places that matter most: your code, your cloud infrastructure, and your workforce's SaaS and browser-based tools. We provide granular visibility into every AI provider, model, version, system prompt, and data point, creating the foundational visibility you need to effectively see and manage your entire AI landscape. Centralized AI Logs with Detection & Response - Our platform solves the complexity of diverse AI ecosystems by centralizing and normalizing logs from all your different models and providers. This enables you to create a single, unified detection for critical risks, such as PII or credentials in prompts, and apply it universally. Combined with anomaly detection to flag unusual behavior, you can trigger automated, workflow-integrated responses like real-time alerts or support tickets in systems like Jira to ensure threats are addressed immediately. AI Security Testing - FireTail automatically integrates security testing into your AI lifecycle to proactively identify and assess risks associated with different models, content types, and use cases. This empowers your organization with the data-driven insights needed to make informed decisions on acceptable risk, allowing you to build a security strategy that enables your business objectives rather than hindering them. AI Security Posture Management - Gain a unified, real-time view of your entire AI security posture. By correlating our deep discovery of AI services and configurations with continuous security testing and threat detection, FireTail provides a comprehensive understanding of your AI attack surface. This allows you to instantly identify vulnerabilities, prioritize risks, and track your security improvements over time, ensuring your AI ecosystem remains secure and compliant. AI Governance & Policy Engine - Implement and enforce consistent AI governance with a flexible policy engine built to mature alongside your organization. Get started immediately with a pre-built library of policies based on leading security frameworks like the OWASP LLM Top 10 and CSA AI Controls Matrix. As your needs evolve, use the intuitive builder to create granular, custom rules with just a few clicks; whether it's blocking specific models or ensuring data sovereignty for GDPR compliance. FireTail offers a complete AI Security Posture Management (ASPM) solution, combining governance, risk, and compliance (GRC) strengths with integrated security testing to give you a complete picture of your AI ecosystem.

Average Rating: 4.8/5.0

Total Reviews: 6

ZeroThreat

ZeroThreat Inc. is an AI-driven cybersecurity innovator dedicated to transforming how modern enterprises protect their web applications and APIs through its advanced platform. We empower organizations, from fast-growing startups to global enterprises, to stay ahead of evolving threats by delivering continuous, attacker-style penetration testing at the speed of modern development. Our mission is to eliminate the noise and complexity of traditional application security. By pioneering an Agentic AI engine and automated penetration testing platform, ZeroThreat.ai enables security teams to automate complex manual processes, reducing manual pentesting effort by 90% while achieving a 99.9% accuracy rate. It doesn't just scan for vulnerabilities. It validates real-world attack paths and provides audit-ready evidence, ensuring that organizations in highly regulated sectors such as Fintech, Healthcare, and Government can scale securely and maintain compliance. ZeroThreat.ai bridges the gap between developers and security teams by providing proof-based findings and actionable remediation guidance. We are committed to restoring developer trust through non-destructive, intelligent validation that focuses exclusively on exploitable risks, allowing businesses to ship software up to 10x faster without compromising security.

Average Rating: 4.8/5.0

Total Reviews: 10

Imperva API Security

APIs are now essential to modern business operations, but they also expand the attack surface and increase exposure to data breaches, malicious traffic, and compliance risks. Imperva API Security provides unified, real-time protection across public, private, and shadow APIs, delivering continuous discovery, classification, and monitoring across cloud, on-premises, and hybrid environments. Imperva automatically uncovers every API - including undocumented and deprecated endpoints - eliminating blind spots and enabling full inventory visibility. Ongoing risk assessments identify design flaws and vulnerabilities aligned with the OWASWP API Security Top 10, helping teams remediate issues before exploitation. The platform strengthens defenses with Business-Logic Threat Protection and real-time BOLA Detection and Response, using behavioral analysis and ML-driven anomaly detection to stop abuse and unauthorized access instantly. Integration with Imperva WAF and Advanced Bot Protection enforces inline mitigation against automated attacks. The result is end-to-end API security that reduces risk, protects sensitive data, and ensures resilient, compliant operations across your entire API ecosystem.

Average Rating: 4.3/5.0

Total Reviews: 3

Imvision API Security

At Imvision, we help enterprises to open up without being vulnerable. It’s about making sure that every interaction between people, businesses, and machines can be trusted. Imvision's platform helps enterprise security leaders, including Fortune 500 companies, discover, test, detect and prevent API breaches. We help you automatically give every API the protection it deserves - at any scale, across the lifecycle. By using NLP-based technology to analyze each API's unique dialogue and understand the application's behavior, security and development teams can stay ahead of attackers, focus on what really matters and minimize time-to-remediation. Only when we know that our data is secure can we begin reimagining the boundaries of how it can be used.

Average Rating: 4.5/5.0

Total Reviews: 1

42Crunch

42Crunch is a comprehensive API security testing solution that assists development and security teams in ensuring the quality, conformance, and security of their APIs. 42Crunch's specific dynamic and static API testing tools enable users to find and fix potential vulnerabilities in their APIs throughout the development lifecycle. With a user base exceeding 1.6 million, the platform has established itself as a trusted resource for organizations aiming to enhance their API security posture. This product is particularly valuable for software development teams, security professionals, and organizations that rely heavily on APIs for their applications. As APIs become increasingly integral to modern software architecture, the need for robust security measures has never been more critical. 42Crunch addresses this need by integrating seamlessly into development environments and CI/CD pipelines, allowing teams to conduct thorough security assessments without disrupting their workflow. This integration ensures that security is prioritized from the earliest stages of development, reducing the risk of vulnerabilities making their way into production. Key features of 42Crunch include its ability to detect malformed data and security vulnerabilities, which helps prevent API attacks such as Broken Object Level Authorization (BOLA), Broken User Level Authorization (BPLA), and other risks outlined in the OWASP API Top 10. The platform provides actionable insights and detailed reports, enabling teams to understand the nature of the vulnerabilities and take appropriate corrective measures. Additionally, the user-friendly interface and comprehensive documentation make it accessible for both seasoned security professionals and those new to API security testing. By leveraging 42Crunch, organizations significantly enhance their API security practices. The ability to conduct both dynamic and static testing ensures that APIs are evaluated from multiple angles, providing a more holistic view of their security posture. Furthermore, the integration with existing development tools allows teams to maintain their productivity while ensuring that security is not an afterthought but a fundamental aspect of the development process. This proactive approach to API security not only helps in safeguarding sensitive data but also builds trust with users and stakeholders by demonstrating a commitment to security best practices.

ApiPosture Pro

ApiPosture provides sub-second discovery and machine-readable fixes that allow developers, and their AI agents, to self-heal their security posture in real-time and be audit-ready anytime. ApiPosture is built for the developer. While other tools struggle with bulk data, ApiPosture identifies exact problems and specific vulnerabilities in just 60 seconds. By feeding your AI only the precise context it needs to fix an issue, you get better results at a fraction of the cost. (ApiPosture does not charge AI credits) Benefits ApiPosture: - Precision vs. Bulk: Stop paying for "full-repo" scans that waste tokens. - Full scan or audit in minutes not days or weeks - Actionable Data: Feed your AI specific issues, not raw codebases. - Massive Savings: Cut your AI spend compared to standard LLM workflows. - Efficiency: Faster fixes with less noise. The Result: ApiPosture turns weeks of manual audit prep and security bottlenecks into minutes of automated remediation and "always-on" compliance evidence.

Eyeriss

Eyeriss is an API gateway built from the ground up around security. Eyeriss has built-in conditional role-based access control, multiple authentication methods for both clients and backend services, and provides a plethora of metrics for API usage out of the box. It features a split architecture that is built for resiliency, speed, and horizontal scalability. With the defense-in-depth model, security teams and developers alike can be sure their API endpoints are strongly protected from any misuse. Eyeriss is intended to be easy to use for security engineers and developers alike, all while maintaining the capability to handle large traffic and request volumes to ensure availability to backend API services. The powerful WAF features of Eyeriss protects onboarded endpoints from a variety of attacks, greatly lowering the potential for outages and breaches. The on-prem and SaaS Enterprise offering of Eyeriss is ready for any production environment with many build-in integrations for connecting to alerting services, SEIMs, and many more tools to enhance both security teams and developers.

RequestRocket

RequestRocket's is a hyper scalable universal API authentication and authorization service. RequestRocket empowers organisations to centralise the management of access to third party systems, while offering the ability to down-scope permissions with fine grained access controls for any platform API. Our API's enable on demand configuration of authentication proxies across 6 continents allowing for low latency and high availability security improvements that comply with data sovereignty requirements.

Average Rating: 5.0/5.0

Total Reviews: 1

Unified.cc by 500apps

Unified.cc is designed to allow developers to connect multiple APIs via a single API interface. By utilizing this platform, businesses can reduce the overall cost of API development and management. It assists teams with integration and other maintenance tasks. It offers a unified platform for all APIs, enabling developers to find and use the APIs they require. Businesses can use the API platform to connect with new customers and partners, as well as develop new products and services. Feature: - API Led Connectivity - Easy Deployment - Advanced Security - API Gateway - API Manager - Unlimited Projects Get access to 50 apps with Unified.cc for $14.99 per user