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

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

Asked on Jan 13, 2026

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Securing API keys in a web application is crucial to prevent unauthorized access and misuse. The best practices include storing them securely and ensuring they are not exposed in client-side code.

Example Concept: API keys should be stored in environment variables on the server side, not in client-side code. This prevents exposure in the browser and keeps them secure from unauthorized access. Use server-side logic to manage API requests and keep keys hidden from the client.

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Use environment variables to store API keys securely on the server.
Implement server-side proxy to handle API requests, keeping keys hidden from the client.
Regularly rotate API keys and monitor 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 ways to secure API keys in a web application?

Asked on Jan 13, 2026

Answer

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