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Best API Security Tools 2026

What is API Security? Application programming interface (API) security is the process of protecting APIs and the information that they contain. Many organizations utilize APIs because they greatly simplify the development process for both web and mobile environments. APIs are also commonly used to integrate software services and functionality into other applications, systems, and computers. As the adoption of APIs has increased over the years, so have malicious cyberattacks involving APIs. As a ...

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All Products(1-25 of 40)

  • 2
    Cloudflare Logo

    Cloudflare

    Rating: 8.8 out of 10
    524 Reviews and Ratings
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    Cloudflare’s connectivity cloud is a unified platform of cloud-native services designed to help enterprises regain control over their IT environments. Powered by an intelligent, programmable global cloud network, it is built to offer security, performance, visibility, and reliability.
  • 4
    Postman Logo

    Postman

    Rating: 8.8 out of 10
    399 Reviews and Ratings
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    Postman, headquartered in San Francisco, offers their flagship API development and management free to small teams and independent developers. Higher tiers (Postman Pro and Postman Enterprise) support API management, as well as team collaboration, extended support and other advanced features.
  • 5
    Panoptica Logo

    Panoptica

    Rating: 0 out of 10
    0 Reviews and Ratings
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    A cloud application security solution from Cisco, it allows teams to secure APIs, serverless, container, and Kubernetes environments.
  • 6
    For API-driven organizations, Salt Security is an API security platform that protects internal, external, and third-party APIs. The Salt C-3A Context-based API Analysis Architecture combines coverage and AI-powered big data todiscover APIs and exposed sensitive data - continuous and automatic ...
  • 7
    AppTrana API Security Logo

    AppTrana API Security

    Rating: 0 out of 10
    0 Reviews and Ratings
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    AppTrana’s API Protection aims to eliminate API risks and provide robust protection by combining Risk detection, API Threat detection, API Positive Security policies, API-Specific DDoS & Bot modules, and API Discovery. It provides automated API scanning to identify OWASP Top 10 API Threats, ...
  • 8
    Katalon Logo

    Katalon

    Rating: 7.1 out of 10
    38 Reviews and Ratings
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    Katalon Studio is provided by the vendor as a free and robust automation solution for API, Web and Mobile testing. It is designed to eliminate the complexities of building an automation framework by integrating all necessary test components with built-in keywords and project templates. Katalon ...
  • 11
    REST Assured Logo

    REST Assured

    Rating: 7.9 out of 10
    3 Reviews and Ratings
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    Testing and validating REST services in Java is harder than in dynamic languages such as Ruby and Groovy. REST Assured, a test framework that is open source and free to use under the Apache 2.0 license, aims to bring the simplicity of using these languages into the Java domain.
  • 12
    Qualys TruRisk Platform Logo

    Qualys TruRisk Platform

    Rating: 6 out of 10
    83 Reviews and Ratings
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    Qualys TruRisk Platform (formerly Qualys Cloud Platform, or Qualysguard), from San Francisco-based Qualys, is network security and vulnerability management software featuring app scanning and security, network device mapping and detection, vulnerability prioritization schedule and remediation, and ...
  • 13
    open-appsec Logo

    open-appsec

    Rating: 0 out of 10
    0 Reviews and Ratings
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    open-appsec (openappsec.io) is an open-source initiative that builds on machine learning to provide pre-emptive web app & API threat protection against OWASP-Top-10 and zero-day attacks. It can be deployed as an add-on to Kubernetes Ingress, NGINX, Envoy and API Gateways. The open-appsec ...
  • 14
    StackHawk Logo

    StackHawk

    Rating: 10 out of 10
    1 Reviews and Ratings
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    StackHawk is a solution designed to make it simple for developers to find, triage, and fix application security bugs, from the company of the same name headquartered in Denver. Scan an application for AppSec bugs in the code, triage and fix with provided documentation, and automate in the ...
  • 16
    F5 NGINX Management Suite Logo

    F5 NGINX Management Suite

    Rating: 6 out of 10
    1 Reviews and Ratings
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    NGINX Management Suite provides holistic visibility and control of NGINX instances, application delivery services, API management workflows, and security solutions. It is used to streamline four key areas: Scale – Intelligently scale NGINX instances and services with global policy controls using ...
  • 17
    Apigee Sense Logo

    Apigee Sense

    Rating: 8.3 out of 10
    6 Reviews and Ratings
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    Apigee Sense from Google (acquired in late 2016) protects APIs from unwanted request traffic, including attacks from malicious clients. Apigee Sense analyzes API request traffic, identifying patterns that might represent unwanted requests.
  • 18
    Bright Security Logo

    Bright Security

    Rating: 6 out of 10
    1 Reviews and Ratings
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    Bright Security is an application & API security testing platform from the company of the same name in San Rafael, California. Bright Security integrates into the user's CI/CD pipeline and enable users to run DAST scans with every build, as well as identify known (7,000+ payloads) and unknown ...
  • 19
    Wallarm Logo

    Wallarm

    Rating: 0 out of 10
    0 Reviews and Ratings
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    Protect any API. In any environment. Against any threats. OWASP Top-10, OWASP Top-10 API, and 0-days threats. Wallarm is a platform used by Dev, Sec, and Ops teams to build cloud-native applications securely, monitor them for modern threats, and get alerted when threats arise. Whether the user is ...
  • 20
    Soveren Logo

    Soveren

    Rating: 0 out of 10
    0 Reviews and Ratings
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    Soveren helps identify and protect crown jewels in Kubernetes-based environments. It automatically discovers sensitive data and assets, mapping the flows between them and immediately alerting the user before risks become full-blown incidents.
  • 21
    Hopr Connect Logo

    Hopr Connect

    Rating: 0 out of 10
    0 Reviews and Ratings
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    Hopr’s cloud native AMTD platform, a software as a service (SaaS) solution that rotates the identity and secret credentials of containerized workloads at a high frequency to prevent credential theft and wide range of man in the middle (MITM) attacks on application endpoints. The platform was built ...
  • 22
    UP9 Logo

    UP9

    Rating: 0 out of 10
    0 Reviews and Ratings
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    UP9 is an API observability and test automation platform for developers, an autonomous microservice testing platform. UP9 aims to reduce developer testing workload with up-to-date service test-coverage using ML-generated and maintained API test code.
  • 23
    Noname Security Logo

    Noname Security

    Rating: 8 out of 10
    1 Reviews and Ratings
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    The Noname API Security Platform proactively secures environments from API security vulnerabilities, misconfigurations, design flaws, and provides API attack protection with automated detection and response.
  • 24
    Imperva API Security Logo

    Imperva API Security

    Rating: 10 out of 10
    1 Reviews and Ratings
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    Imperva API Security, based on technology acquired with CloudVector in May 2021, provides continuous protection of all APIs using deep discovery and classification of sensitive data to detect all public, private and shadow APIs to empower security teams to implement a positive security model.
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Learn More about API Security Software

What is API Security?

Application programming interface (API) security is the process of protecting APIs and the information that they contain. Many organizations utilize APIs because they greatly simplify the development process for both web and mobile environments. APIs are also commonly used to integrate software services and functionality into other applications, systems, and computers. As the adoption of APIs has increased over the years, so have malicious cyberattacks involving APIs. As a result, API security tools have become more prevalent.

It is crucial to have an API secured from one connection endpoint to the next. API security tools scan APIs across your network to identify potential vulnerabilities for developers to fix. APIs are used to transfer data between infrastructure components within a network. It’s important to secure this data because a potential leak or breach of this data could lead to a cyberattack on the organization, or data loss.

API security occurs on both ends of an API connection. There are some tools that focus more on helping users develop secure APIs from the initial creation of the APIs. Then there are tools that focus more on the end user and helping them protect their network from APIs provided by outside sources. Additionally, some tools offer services similar to penetration testing, vulnerability management, and zero trust network solutions. These tools allow a user to test for areas of vulnerability within their network and add additional layers of security to those areas.

API Security Platform Features & Capabilities

Most products in the API Security have the following features:

  • Data logging, reporting, and debugging
  • Integration with various environments
  • OWASP standard testing protocols
  • Monitoring systems
  • Integration with SIEM or SOAR systems
  • API identification
  • API endpoint securing

API Security Platform Comparison

There are several factors to consider when looking for an API security tool. These factors include:

Scalability: In some cases, paid products can be scalable to enterprise level operations. Whereas open source products may not be quite as scalable. However, the trade off is that open source products will likely be the less expensive solution. Users should consider how many APIs they need to work with and how much they use those APIs when looking for an API security tool.

Depth of Security: As mentioned before, there are different kinds of protections offered and they vary from product to product. Some products offer additional functionality such as extra layers of security to your APIs while others simply scan APIs for vulnerabilities. It’s important to consider whether you want additional security protections or just a tool to scan for areas of improvement.

The Area of Security: The area of security really matters here, as some tools focus more towards API developer security while other tools focus on the API consumer security. If your organization is consuming APIs, a tool that monitors your API connections would better suit your needs. If your organization is developing and deploying APIs, a tool that scans your APIs for potential vulnerabilities before they deploy would better serve you. This comparison comes down to specific use cases of APIs, and should be considered when researching API security tools.

Pricing

Pricing information varies from product to product, and is largely affected by the features offered and whether or not the product is open sourced. This means that pricing for API security tools can range from free to hundreds of thousands of dollars for enterprise level packages.

Most paid products offer a demonstration of their services, but do not offer a free trial. It is also not uncommon for the vendors to request that a user reach out to them for pricing information, which creates opportunities for custom quotes based on user usage and need.

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API Security FAQs

What do API Security tools do?

API Security tools ensure that data transferred between two devices or software is protected from malicious cyberattacks. It outline vulnerabilities in an API connection and add additional layers of security to protect a network against API abuse.

What are the benefits of using API Security tools?

API security tools save on time and money as they help to prevent malicious attacks on an organization's network. Furthermore, API security tools point to areas of improvement for both API developers and API consumers, which can better secure data being transferred across an API connection.



How much do API Security tools cost?

Pricing information varies from product to product, and is largely affected by the features offered and whether or not the product is open sourced. This means that pricing for API security tools can range from free to hundreds of thousands of dollars for enterprise level packages.