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API

3 articlestagged with “API”.

7 min read

What Is API Rate Limiting and Why It Matters

A practical introduction to API rate limiting, why it matters for web applications, and how it helps protect backend services from abuse, overload, and unexpected traffic spikes.

APIBackendSecurityWeb DevelopmentPerformance
7 min read

How to Fix “Cannot read properties of undefined” in Next.js API Responses

A practical guide to fixing undefined API response errors in Next.js by validating response shapes, normalizing data, and adding safer frontend guards.

Next.jsReactAPITypeScriptDebugging
8 min read

How to Structure API Responses in Express.js for Frontend Applications

A practical guide to designing consistent Express.js API responses so React and Next.js frontends can handle success, errors, validation messages, and data safely.

Express.jsAPIBackendFrontendTypeScript