Complete backend integration for forms, REST APIs, authentication, webhooks, and error handling. Deliver validation and security boundaries with reusable code examples.
How do you change an API without breaking existing users? This guide compares URL vs Header versioning and API Key vs Basic Auth vs OAuth2, explains rate limiting, and why HTTPS is a must.
What exactly is an API? This beginner guide uses a restaurant waiter analogy to explain the difference between an API and a web page, the REST methods GET/POST/PUT/DELETE, the request-response structure, and HTTP status codes.
A webhook integration guide based on webhooks.fyi plus the official Stripe and GitHub documentation, covering event models, signature verification, automatic retries, idempotent deduplication, and security best practices.
A backend development guide based on the official Spring guide covering starters, controllers, data access, and security for production-grade REST APIs.
Best practices for designing RESTful APIs based on Microsoft's REST API guidelines and Google's AIP specifications, covering resource modeling, HTTP methods, status codes, pagination, filtering, and versioning.
A backend caching optimization guide based on the official Redis documentation covering data types, Cache-Aside strategies, TTL, cache penetration/stampede/avalanche protection, and Session storage.
A backend development guide based on the official FastAPI documentation covering type validation, async concurrency, automatic OpenAPI docs, and dependency injection.
A backend development guide based on the official Node.js and Express documentation covering routing, middleware, error handling, and project structure.
A JWT authentication implementation guide based on the official jwt.io documentation and Auth0 practices, covering token structure, issuing and verification flows, refresh tokens, and security best practices.