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What are the best practices for securing API keys in a web application?

Asked on Nov 22, 2025

Answer

To secure API keys in a web application, it's crucial to store them securely and limit their exposure. This involves using environment variables and ensuring they are not exposed in client-side code.

<!-- BEGIN COPY / PASTE -->
    // Node.js example of using environment variables
    const apiKey = process.env.MY_API_KEY;
    // Use the apiKey securely in your server-side code
    <!-- END COPY / PASTE -->

Additional Comment:

Store API keys in environment variables or secure vaults, not in source code.
Ensure API keys are not exposed in client-side JavaScript or HTML.
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 the best practices for securing API keys in a web application?

Asked on Nov 22, 2025

Answer

Additional Comment:

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