Compare the Top API Security Software for Windows as of September 2026

What is API Security Software for Windows?

API security software is designed to protect APIs from security threats such as unauthorized access, data breaches, and denial-of-service attacks. These tools monitor, authenticate, and secure the connections between APIs and the systems they interact with, ensuring that only authorized users and systems can access the data or services offered by the API. Features typically include encryption, rate limiting, authentication (such as OAuth, JWT), API traffic monitoring, threat detection, and automated security testing. API security software is crucial for businesses that rely on APIs to connect with third-party services, mobile apps, or microservices, as it helps mitigate risks and maintain data integrity. Compare and read user reviews of the best API Security software for Windows currently available using the table below. This list is updated regularly.

  • 1
    Graylog

    Graylog

    Graylog

    Graylog gives security teams full visibility across logs, events, and API activity—essential for detecting threats, investigating incidents, and responding with precision. Graylog Enterprise centralizes log management at scale with powerful search, alerting, and correlation to accelerate root cause analysis. Graylog Security builds on that foundation with advanced threat detection, prebuilt content for common attack techniques, and seamless SOC integration. Graylog API Security extends this visibility into the growing API layer, automatically discovering APIs, identifying sensitive data exposure, and detecting data exfiltration in real time. Together, the Graylog platform delivers unified, cost-effective security operations and API protection—on-prem or in the cloud—so teams can detect, investigate, and respond to what matters most.
    Starting Price: $1250/month
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  • 2
    SKUDONET

    SKUDONET

    SKUDONET

    SKUDONET Enterprise Edition is an Application Delivery and Security Platform built on Linux Debian 12.5 LTS for critical enterprise environments. Formerly known as Zevenet, it provides advanced L4/L7 load balancing, integrated WAF, TLS management with Let’s Encrypt and wildcard support, and protocol-aware traffic inspection across on-premises, hybrid, or cloud deployments, including SkudoCloud SaaS. A free trial is available for evaluation on the SKUDONET website. Key Features & Benefits: • High Availability: Clustering and failover to minimize downtime. • Advanced Security: WAF, L7 filtering, DoS protection, TLS with Let’s Encrypt and wildcard support. • Scalability: Optimized for high-throughput workloads with multi-core processing and efficient packet handling. • Traffic Control: Session persistence, custom routing rules, and granular L4/L7 inspection. • Centralized Management: Unified dashboard for configuration, monitoring, and policy automation.
    Starting Price: $1736/year/appliance
  • 3
    Ambassador

    Ambassador

    Ambassador Labs

    Ambassador Edge Stack is a Kubernetes-native API Gateway that delivers the scalability, security, and simplicity for some of the world's largest Kubernetes installations. Edge Stack makes securing microservices easy with a comprehensive set of security functionality, including automatic TLS, authentication, rate limiting, WAF integration, and fine-grained access control. The API Gateway contains a modern Kubernetes ingress controller that supports a broad range of protocols including gRPC and gRPC-Web, supports TLS termination, and provides traffic management controls for resource availability. Why use Ambassador Edge Stack API Gateway? - Accelerate Scalability: Manage high traffic volumes and distribute incoming requests across multiple backend services, ensuring reliable application performance. - Enhanced Security: Protect your APIs from unauthorized access and malicious attacks with robust security features. - Improve Productivity & Developer Experience
  • 4
    Telepresence

    Telepresence

    Ambassador Labs

    Telepresence streamlines your local development process, enabling immediate feedback. You can launch your local environment on your laptop, equipped with your preferred tools, while Telepresence seamlessly connects them to the microservices and test databases they rely on. It simplifies and expedites collaborative development, debugging, and testing within Kubernetes environments by establishing a seamless connection between your local machine and shared remote Kubernetes clusters. Why Telepresence: Faster feedback loops: Spend less time building, containerizing, and deploying code. Get immediate feedback on code changes by running your service in the cloud from your local machine. Shift testing left: Create a remote-to-local debugging experience. Catch bugs pre-production without the configuration headache of remote debugging. Deliver better, faster user experience: Get new features and applications into the hands of users faster and more frequently.
    Starting Price: Free
  • 5
    Resurface

    Resurface

    Resurface Labs

    Resurface is a runtime API security solution. Detect and respond to API threats and risk in real-time with Resurface continuous API scanning. Purpose-built for API data, Resurface captures complete request and response payloads (including GraphQL) to instantly see threats and failures. Get alerts on data breaches for zero-day detection and response. Mapped to OWASP Top10, Resurface alerts on threats with complete data security patterns and behaviors. Resurface is self-hosted, all data is first-party, installed with a single Helm command. Resurface is the only API security solution engineered for deep inspection at scale. Handling millions of API calls, Resurface detects and alerts on active attacks. Machine learning models indicate anomalies and identify low-and-slow attack patterns.
    Starting Price: $9K/node/year
  • 6
    Pynt

    Pynt

    Pynt

    Pynt is an innovative API Security Testing platform exposing verified API threats through simulated attacks. We help hundreds of companies such as Telefonica, Sage, Halodoc, and more, to continuously monitor, classify and attack poorly secured APIs, before hackers do. Pynt's leverages an integrated shift-left approach, and unique hack technology using home-grown attack scenarios, to detect real threats, discover APIs, suggest fixes to verified vulnerabilities, thereby eliminating the API attack surface risk. Thousands of companies rely on Pynt to secure the no. 1 attack surface - APIs, as part of their AppSec strategy.
    Starting Price: $1888/month
  • 7
    NetFoundry

    NetFoundry

    NetFoundry

    NetFoundry is an identity-first Zero Trust workload connectivity platform designed to secure connections between applications, APIs, machines, AI agents, sites, cloud environments, and operational technology systems. Built on the OpenZiti open source platform, it creates private, policy-controlled connections without relying on traditional inbound ports, VPN tunnels, or IP-based trust. Each workload receives a cryptographic identity, and connections are established only after mutual authentication and identity-based policy authorization. NetFoundry supports use cases including AI security, microsegmentation, site-to-site connectivity, API security, OT and IoT connectivity, and embedded Zero Trust for solution providers. Its outbound-only architecture helps reduce attack surface, limit lateral movement, and simplify connectivity across heterogeneous networks with overlapping address spaces.
  • 8
    Astra API Security Platform
    Astra is a powerful API security platform designed to discover, test, and protect every API across your infrastructure. It continuously scans for over 10,000 vulnerabilities, including the OWASP API Top 10, data leaks, and authorization flaws. With Astra, teams can detect Shadow, Zombie, and Orphan APIs, identify sensitive data exposures, and fix vulnerabilities before attackers exploit them. The platform combines automated scanning with manual penetration testing from certified experts to deliver enterprise-grade protection. Seamless integrations with AWS, GCP, Postman, and CI/CD tools make security part of your DevOps workflow. Trusted by over 1,000 engineering teams, Astra empowers businesses to secure their APIs continuously and confidently.
    Starting Price: $499/month
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