APISec University Review: Is This the Best Path to API Security Certification?
APISec University review: what its free API security courses and certifications cover, where they fall short, and how they compare to other certs.
Older articles
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10 Advanced API Rate Limiting Strategies to Protect Your Infrastructure
Token bucket, leaky bucket, sliding windows, plan-based tiers and load-aware limits: ten API rate limiting strategies and when each one fits.
APIs & API Tools
How to Build a GraphQL API with Node.js: A Step-by-Step Guide
Build a GraphQL API with Node.js and Apollo Server: define the schema, write resolvers, start the server and test queries step by step.
Implementing an Advanced OAuth2 Flow for Single Page Apps: Beyond the Basics
Why the implicit grant is obsolete for SPAs and how Authorization Code with PKCE plus a Backend-for-Frontend keeps tokens out of the browser.
FastAPI vs Express Performance Benchmark: Which Framework Wins in 2026?
FastAPI vs Express performance: request throughput, async behaviour and real-world bottlenecks compared, with a feature table and verdict.
APIs & API Tools
Build an API with Rust and Axum Tutorial: A High-Performance Guide
Build a REST API in Rust with Axum: create the project, add routes, handle JSON and shared state, and fix the common compile-time errors.