"In this video, we'll cover API key authentication-a method used by many platforms, including Google, to secure access to their APIs. An API key is a unique identifier that's generated for each user, application, or project. By including this key in your API requests, you verify your identity, allowing the platform to authenticate your access and apply rate limits or other restrictions.
How API Key Authentication Works:
Generate an API Key: Most services, like Google Cloud, allow you to create an API key for each project. This key should be treated like a password-don't share it publicly.
Include the Key in Requests: Add the API key as a parameter in your API requests, often in the request headers or URL. This tells the server who is making the request.
Platform Validation: When your request is received, the server checks your API key to ensure it's valid and you have permission to access the API endpoint.
Authorization & Rate Limiting: Some services also limit the number of requests you can make based on your API key to prevent abuse and control usage.
Tips:
Keep Your API Key Secure: Never share it in client-side code or public repositories.
Rotate Keys Regularly: For better security, regenerate keys periodically.
Use Environment Variables: Store your keys in environment variables instead of hardcoding them to keep them secure.
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