Best API Security Tools - Page 5

How Many API Security Tools Products Does G2 Track?

Total Products under this Category: 74

Category Stats (Oct 2026)

  • Average Rating: 4.57/5 The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: Edgenexus ADC (Application Delivery Controller) (+1.01%) - Among all products in this category, Edgenexus ADC (Application Delivery Controller) recorded the largest rating increase compared to last month

Last updated: October 13, 2026

How Does G2 Rank API Security Tools Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 5,300+ Authentic Reviews
  • 74+ Products
  • Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

G2 Grid® for API Security Tools

G2 Grid® for API Security Tools plotting products by satisfaction and market presence

Highlighted products: Cloudflare Application Security and Performance, Postman, Check Point WAF (formerly CloudGuard WAF), apisec.ai, Astra Pentest, Fastly's Web Application and API Security, Rakuten SixthSense Observability, and Orca Security.

Underlying data: [Grid® JSON](https://www.g2.com/categories/api-security/grids.json?focus%5B%5D=cloudflare-application-security-and-performance&focus%5B%5D=postman&focus%5B%5D=check-point-waf-formerly-cloudguard-waf&focus%5B%5D=apisec-ai&focus%5B%5D=astra-pentest&focus%5B%5D=fastly-s-web-application-and-api-security&focus%5B%5D=rakuten-sixthsense-observability&focus%5B%5D=orca-security)

Gcore Web application and API protection (WAAP)

An end-to-end WAAP solution for protection against L7 DDoS attacks, zero-day vulnerabilities, OWASP top-ten threats, data breaches, and malicious bots. Gcore offers a 99.99% SLA. — Gcore Web application and API protection includes three elements for comprehensive protection: L7 DDoS protection: Keeps your web app working flawlessly even during massive, sustained attacks. — WAF+API Protection: Guards against OWASP top-ten threats, unpatched vulnerabilities, zero-day attacks, and API-specific attacks. Protects confidential information to comply with data protection standards, including GDPR and PCI DSS. — Advanced bot protection: Prevents the harmful effects of malicious bots on your business, such as account hacking, bank card fraud, scalping content theft, advertising fraud, and competitor parsing.

Average Rating: 4.5/5.0

Total Reviews: 1

Who Is the Company Behind Gcore Web application and API protection (WAAP)?

  • Seller: Gcore
  • Year Founded: 2014
  • HQ Location: Luxembourg, Europe
  • Twitter: @gcore_official
    2,922 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    504 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Small

What Do G2 Reviewers Say About Gcore Web application and API protection (WAAP)?

AI-generated summary from verified user reviews

Pros
  • Users appreciate the ease of use and integration of Gcore WAAP, enjoying its intuitive dashboard for managing tasks.
  • Users appreciate the efficiency of Gcore WAAP, benefiting from easy implementation and advanced threat detection capabilities.
  • Users value the easy implementation and comprehensive protection features of Gcore WAAP, enhancing web and API security.
  • Users value the comprehensive protection of Gcore WAAP, appreciating its ease of use and advanced threat detection.
  • Users value the reliable protection provided by Gcore WAAP for both web applications and APIs.
Cons
  • Users often find the cost to be an issue when evaluating the value of Gcore WAAP.

What Are Recent G2 Reviews of Gcore Web application and API protection (WAAP)?

Graylog API Security

Graylog API Security is the first API security solution that is purpose-built to provide security teams with full observability into runtime API activity inside the perimeter. As attackers find innovative ways to pose as valid users to gain unfettered access to critical production APIs, you can no longer rely on perimeter defense alone. Your security teams can now use Graylog API Security to strengthen your post-perimeter API security posture and manage your growing API attack surface.

Who Is the Company Behind Graylog API Security?

  • Seller: Graylog
  • Year Founded: 2009
  • HQ Location: Houston, US
  • Twitter: @graylog2
    9,115 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    124 employees on LinkedIn®

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Metlo

Metlo is an API security platform that provides vulnerability discovery, attack detection, and context.

Who Is the Company Behind Metlo?

  • Seller: Metlo
  • Year Founded: 2021
  • HQ Location: San Francisco, US
  • Twitter: @MetloHQ
    72 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    4 employees on LinkedIn®

Neosec API Security Platform

Neosec is reinventing application security and is the intelligent way to protect your APIs from business abuse and data theft. Built for organizations that expose APIs to partners, suppliers, and users, Neosec discovers all your APIs, analyzes their behavior, audits risk, and stops threats lurking inside. Our pioneering SaaS platform unifies security and development teams to protect modern applications from threats at scale. Neosec has pioneered the use of behavioral analytics to understand normal versus abnormal API usage and delivers powerful threat hunting capabilities. Neosec prevents threats and stops abuse hiding within APIs and brings new intelligence to application security.

Who Is the Company Behind Neosec API Security Platform?

  • Seller: Neosec
  • Year Founded: 2021
  • HQ Location: Palo Alto, US
  • LinkedIn® Page: www.linkedin.com
    20 employees on LinkedIn®

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

Who Is the Company Behind RequestRocket?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of RequestRocket?

Security

Elementary Robotics offers a cloud-based AI camera system designed to enhance manufacturing quality control through advanced visual inspection capabilities. This innovative solution enables non-technical operators to train AI models to detect defects, ensuring consistent product quality across production lines. The system's cloud analytics allow manufacturers to deploy, upgrade, and monitor their operations remotely, facilitating efficient management from any location. Notably, companies like Toyota and Home Run Inn Pizza have successfully implemented this technology to maintain high standards in their products.

Who Is the Company Behind Security?

  • Seller: Elementary
  • Year Founded: 2017
  • HQ Location: South Pasadena, US
  • LinkedIn® Page: www.linkedin.com
    587 employees on LinkedIn®

Spherical Defense API Security

Spherical Defense is an advanced API security solution that leverages unsupervised deep learning to autonomously protect APIs from a wide range of cyber threats. By continuously analyzing API traffic patterns, it builds a dynamic model of normal behavior, enabling the detection of anomalies and potential attacks without the need for manual configuration or predefined rules. This approach ensures robust protection against both known and emerging threats, including zero-day attacks, while minimizing false positives and maintaining optimal performance. Key Features and Functionality: - Rapid Deployment: Spherical Defense can be deployed on-premise or in a private cloud environment, with a simple 1-click installation process on AWS. Security models begin detecting malicious behavior within approximately four hours. - Unattended Learning: The system operates autonomously, continuously learning and adapting to new API traffic patterns without requiring human intervention. This ensures that the security model evolves alongside application changes and user behavior. - Comprehensive Threat Detection: Spherical Defense protects against various threats, including excessive data exposure, malicious injections , improper asset management, sensitive information transmission, authorized stateful attacks, mass assignment vulnerabilities, and adversarial API fuzzing. - Easy Integration: The solution integrates seamlessly with existing infrastructures, including API gateways and service meshes, without the need for extensive configuration. It supports inbound integrations using AWS Lambda functions and outbound integrations for event monitoring. - Secure and Confidential: All data remains within the user's network, ensuring that sensitive information is not exposed to third parties. The system operates without requiring external access to data, maintaining confidentiality and compliance with data protection regulations. Primary Value and Problem Solved: Spherical Defense addresses the critical need for robust API security in an era where APIs constitute a significant portion of web traffic and are frequent targets for cyberattacks. Traditional security measures often rely on static rules and signatures, which can be ineffective against sophisticated and evolving threats. By employing unsupervised deep learning, Spherical Defense provides a dynamic and adaptive security solution that detects and mitigates both known and unknown threats in real-time. This not only enhances the security posture of organizations but also reduces the operational burden associated with manual configuration and the management of false positives, allowing security teams to focus on strategic initiatives.

Who Is the Company Behind Spherical Defense API Security?

Traceable AI

Traceable is the industry’s leading API Security company that helps organizations protect their digital systems and assets in a cloud-first world where everything is interconnected. Traceable is the only intelligent and context-aware platform that powers complete API security. Security Posture Management: Traceable helps organizations dramatically improve their security posture with a real time, risk ranked catalog of all APIs in their ecosystem, conformance analysis, identification of shadow and orphaned APIs, and visibility of sensitive data flows. RunTime Threat Protection: Traceable observes user level transactions and applies mature machine learning algorithms to discover anomalous transactions, alert the security team, and block attacks at the user level. Threat management and analytics: Traceable helps organizations analyze attacks and incidents with its API data lake, which provides rich historical data of nominal and malicious traffic. API Security Testing throughout the SDLC: Traceable connects the security lifecycle together with the DevOps lifecycle providing automated API Security tests to be run within the CI pipeline. Digital Fraud Prevention: Traceable brings together its broad and deep data collection over time and cutting edge machine learning to identify fraud across all API transactions

Who Is the Company Behind Traceable AI?

  • Seller: Harness
  • Year Founded: 2018
  • HQ Location: San Francisco
  • Twitter: @HarnessWealth
    1,389 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    1,832 employees on LinkedIn®

Who Uses This Product?

  • Top Industries: Financial Services
  • Company Size: 5% Large

What Do G2 Reviewers Say About Traceable AI?

AI-generated summary from verified user reviews

Pros
  • Users find the customer support of Traceable AI exceptional, providing quick and helpful guidance for their inquiries.
  • Users value the exceptional security features of Traceable AI, effectively guarding API endpoints from vulnerabilities.
  • Users find Traceable AI's setup ease impressive, enabling quick deployment and immediate insights into API vulnerabilities.
  • Users appreciate the robust API management features of Traceable AI, enabling effective monitoring and protection of APIs.
  • Users value the flexibility and customization of Traceable AI, enhancing their API security experience significantly.
Cons
  • Users express a desire for more features and functionalities in Traceable AI, highlighting limitations in usability and customization.
  • Users find it challenging to manage false positives in Traceable AI, requiring more effort than expected.
  • Users experience inefficiency in the update process, incurring unnecessary costs and facing challenges with data handling and scaling.
  • Users find the poor documentation of Traceable AI challenging, hindering effective use and requiring additional support.
  • Users highlight the need for improved reporting capabilities, especially for historical data and larger scales.

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

Who Is the Company Behind Unified.cc by 500apps?

  • Seller: 500apps
  • Year Founded: 2019
  • HQ Location: New York, California
  • Twitter: @SitePing500apps
    26 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    1 employees on LinkedIn®

UUSEC WAF

UUSEC WAF is an industrial grade free, high-performance, and highly scalable web application firewall and API security protection product that supports AI and semantic engines. It is a comprehensive website protection product launched by UUSEC Technology, which first realizes the three-layer defense function of traffic layer, system layer, and runtime layer.

Who Is the Company Behind UUSEC WAF?

Wallarm API Security

Who Is the Company Behind Wallarm API Security?

  • Seller: Wallarm
  • Year Founded: 2016
  • HQ Location: San Francisco, California
  • Twitter: @wallarm
    3,197 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    142 employees on LinkedIn®

Wib

Wib is pioneering a new era in API security with its industry first holistic API security platform. Providing continuous and complete visibility and control across the entire API ecosystem, Wib enables developers to code with confidence and security teams to secure with surety. Wib’s elite team of developers, attackers, defenders and seasoned cybersecurity professionals draw on real-world experience and expertise to help define and develop innovative technology solutions that enable customers with the identity, inventory and integrity of every API, wherever it may be within the development lifecycle, without compromising development or stifling innovation. Wib is Headquartered in Tel Aviv, Israel with international presence in Houston, USA and London, UK. It was founded in August 2021 by serial entrepreneur Gil Don (CEO), Ran Ohayon (CRO) and Tal Steinherz who previously served as the CTO of Israel’s national cyber directorate.

Who Is the Company Behind Wib?

  • Seller: Wib
  • HQ Location: Seattle, Washington, United States
  • LinkedIn® Page: www.linkedin.com
    6,247 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Medium
Lauren Worth
LW
Researched and written by Lauren Worth
Updated October 3, 2024