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What are effective methods to secure API keys in a web application?

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What are effective methods to secure API keys in a web application?

Asked on Jan 03, 2026

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To secure API keys in a web application, you should store them in environment variables and avoid hardcoding them into your source code. This practice helps prevent unauthorized access and exposure.

<!-- BEGIN COPY / PASTE -->
    // Example of using environment variables in Node.js
    const apiKey = process.env.API_KEY;
    // Use the apiKey in your application logic
    <!-- END COPY / PASTE -->

Additional Comment:

Always use environment variables to store sensitive information like API keys.
Consider using a secrets management service for enhanced security.
Regularly rotate API keys and monitor their usage for any suspicious activity.

✅ Answered with Security best practices.

Ask any question about Website Security here... and get an instant response.

What are effective methods to secure API keys in a web application?

Asked on Jan 03, 2026

Answer

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