How to secure API keys within a Chrome Extension - AWS Lambda
Outdated video - Please see the updated video on this topic for 2025 • Securing API Keys in Chrome Extensions - U...
Hey! In this video we take a look how to protect your Chrome Extension source code & specifically your API Keys. Including why minifying your code can help but also how to use a Lambda function to ensure your API Keys are not written in your extension source code for anyone to view.
The methods shown are not 100% secure but are good steps to take to begin to secure your extension. As mentioned the best method is to have any external calls go through your own server to ensure you only return data to authenticated users.
RELATED LINKS:
Fetch Call to Lambda: https://gist.github.com/rustyzone/a03...
Lambda Function: https://gist.github.com/rustyzone/fc1...
TIMESTAMPS:
0:00 Intro
0:30 Minify JS
01:30 Secure API Keys
02:25 AWS Lambda
04:30 Use Origin not Referrer
05:00 Lambda Function Code
07:00 Call Lambda
08:12 Firebase Security Rules
09:10 GET / POST Request
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