What's essential for securing API endpoints against unauthorized access?

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What's essential for securing API endpoints against unauthorized access? Pending Review

Asked on Jan 18, 2026

Answer

Securing API endpoints against unauthorized access is crucial for protecting sensitive data and maintaining system integrity. Implementing robust authentication and authorization mechanisms, such as OAuth 2.0, along with input validation and rate limiting, are key strategies in API security.

Example Concept: To secure API endpoints, use OAuth 2.0 for authentication and authorization, ensuring that only authenticated users can access specific resources. Implement input validation to prevent injection attacks, and apply rate limiting to mitigate denial-of-service attacks. Additionally, use HTTPS to encrypt data in transit and regularly audit API logs for suspicious activities.

Additional Comment:

Ensure API keys are kept confidential and rotated regularly.
Implement CORS policies to control which domains can access your API.
Regularly update and patch API software to fix vulnerabilities.
Consider using API gateways for centralized management and security enforcement.

✅ Answered with Cybersecurity best practices.

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