Compare the Top API Security Software in Japan as of November 2025

What is API Security Software in Japan?

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 in Japan 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
    KrakenD

    KrakenD

    KrakenD

    KrakenD is a high-performance API Gateway optimized for resource efficiency, capable of managing 70,000 requests per second on a single instance. The stateless architecture allows for straightforward, linear scalability, eliminating the need for complex coordination or database maintenance. It supports various protocols and API specifications, with features like fine-grained access controls, data transformation, and caching. Unique to KrakenD is its ability to aggregate multiple API responses into one, streamlining client-side operations. Security-wise, KrakenD aligns with OWASP standards and doesn't store data, making compliance simpler. It offers a declarative configuration and integrates with third-party logging and metrics tools. With transparent pricing and an open-source option, KrakenD is a comprehensive API Gateway solution for organizations prioritizing performance and scalability.
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  • 3
    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
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    Cequence Security

    Cequence Security

    Cequence Security

    Start analyzing and protecting your APIs with passive, inline or API-based integration with any existing network component – API gateway, proxy, CDN or ingress controller. Predefined policies, fine-tuned using threat patterns observed in protecting billions of API transactions per day delivers unmatched, out-of-the-box protection. A rich user interface and an open, API-based architecture enables integration with threat intelligence feeds, CI/CD framework tools, other security components, and SIEM/SOAR/XDR solutions. Patented ML-based analysis eliminates JavaScript and SDK integration pen-alties such as extended development cycles, slow page loads and forced mobile-app upgrades. ML-based analysis generates a unique Behavioral Fingerprint to determine malicious intent and continually tracks attackers as they retool.
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    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
  • 6
    Authress

    Authress

    Rhosys

    Authress, Complete Auth API for B2B. Authentication & Authorization gets complicated quickly, even if it appears easy, there is a lot of hidden complexity in authorization, you don’t want to do it on your own. It takes time to get authorization right In simple cases, it takes an average software team 840 hours to implement authorization logic. As you add features to your application, this number grows rapidly. Without expertise, you leave your door wide open to malicious attacks. You risk compromising your user data, non-compliance with local regulations, and massive business losses. * Secure authorization API--Instead of building your own authorization logic, call our API * Granular permissions--Define multiple levels of access and group them by user roles. As granular as you want * Identity Provider integrations--Plug in any of your preferred ID providers with a simple API call. * SSO and full user management
    Starting Price: $1.10 per month
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    Gravitee.io

    Gravitee.io

    Gravitee.io

    Gravitee.io is the easiest to use, most performant and cost-effective Open Source API Platform that helps your organization to secure, publish and analyze your APIs. Use the power of Gravitee.io to manage identities with our OAuth2, OpenID Connect (OIDC) and Financial-grade API (FAPI) certified server. Gravitee.io APIM is a flexible, lightweight and blazing-fast open source API Management solution that helps your organization control finely who, when and how users access your APIs. With strong governance features such as API review and API quality and our market leading API designer, Gravitee.io enables you to design, manage, deploy and monitor your APIs in a secure and governed way. A branded Gravitee.io portal enables your API consumers to fully engage with your business - delivering high quality engagement for your business in the digital age.
    Starting Price: $2500 per month
  • 8
    Utilihive

    Utilihive

    Greenbird Integration Technology

    Utilihive is a cloud-native big data integration platform, purpose-built for the digital data-driven utility, offered as a managed service (SaaS). Utilihive is the leading Enterprise-iPaaS (iPaaS) that is purpose-built for energy and utility usage scenarios. Utilihive provides both the technical infrastructure platform (connectivity, integration, data ingestion, data lake, API management) and pre-configured integration content or accelerators (connectors, data flows, orchestrations, utility data model, energy data services, monitoring and reporting dashboards) to speed up the delivery of innovative data driven services and simplify operations. Utilities play a vital role towards achieving the Sustainable Development Goals and now have the opportunity to build universal platforms to facilitate the data economy in a new world including renewable energy. Seamless access to data is crucial to accelerate the digital transformation.
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    open-appsec

    open-appsec

    open-appsec

    automatic web application & API security using machine learning open-appsec 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 add-on to Kubernetes Ingress, NGINX, Envoy and API Gateways. open-oppsec simplifies maintenance as there is no threat signature upkeep and exception handling, like common in many WAF solutions.
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    NetScaler

    NetScaler

    Cloud Software Group

    Application delivery at scale can be complex. Make it simpler with NetScaler. Firmly on-prem. All-in on cloud. Good with hybrid. Whichever you choose, NetScaler works the same across them all. NetScaler is built with a single code base using a software-based architecture, so no matter which ADC form factor you choose — hardware, virtual machine, bare metal, or container — the behavior will be the same. Whether you are delivering applications to hundreds of millions of consumers, hundreds of thousands of employees, or both, NetScaler helps you do it reliably and securely. NetScaler is the application delivery and security platform of choice for the world’s largest companies. Thousands of organizations worldwide — and more than 90 percent of the Fortune 500 — rely on NetScaler for high-performance application delivery, comprehensive application and API security, and end-to-end observability.
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