Best Free API Security Software

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.

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

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.