API Security Best Practices for Modern Applications

APIs are a prime attack surface—and securing them properly requires more than just adding an API key. This guide covers authentication with OAuth and JWTs, rate limiting, input validation, CORS configuration, and other critical security measures to protect your APIs in production.

Author

Alex Rivera

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API security is a critical concern for any modern application. As APIs become the backbone of digital services, protecting them against common vulnerabilities and attacks is essential to safeguarding your data and users.

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Authentication and Authorization

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Security is not a feature you add later — it's a mindset that should be present from the first line of code.

Rate Limiting and Throttling

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