API/OS
The API Lifecycle Platform
Professional tools to discover, govern, and manage your API ecosystem. Trusted by engineering teams worldwide.
Shadow API Discovery Tool
Discover hidden Shadow APIs in your organization and assess governance risks.
API Deprecation Planner
Generate complete deprecation plans with timelines, communications, and documentation.
API Versioning Advisor
Interactive wizard to recommend the best API versioning strategy for your specific needs
CORS Sanity Checker
Analyze real CORS behavior of any API. Just paste a URL and get a complete report.
JWT Token Security Checker
Analyze JWT tokens for security vulnerabilities, best practices compliance, and common implementation errors.
OpenAPI Spec Completeness Checker
Analyze your OpenAPI specs for completeness and best practices compliance.
WAF API Rule Generator
Generate ready-to-use WAF rules for popular apps' APIs in AWS, Cloudflare, Azure, and Akamai.
Why API/OS?
Built for Engineers
No fluff, no marketing jargon. Practical tools that solve real API management problems.
Instant Results
Get actionable insights in seconds. No setup, no configuration, no waiting.
Production-Ready
Professional reports and plans ready to share with your team and stakeholders.
Start Free
No credit card required to get started. Jump in and explore all tools immediately.
Shape the Future of API/OS
Have an idea for a new tool or feature? We'd love to hear from you. Vote on existing requests or submit your own.
Request a FeatureTake control of your API ecosystem
Join engineering teams using API/OS to manage their API lifecycle effectively.