<ul><li>API authentication is a crucial component for secure and reliable communication in Phoenix framework.</li><li>Phoenix provides flexibility to handle authentication without enforcing specific methods like cookies, JWTs, sessions, or OAuth.</li><li>Authentication can be implemented at the router level by defining an authenticated pipeline and using custom plugs for token extraction and validation.</li><li>Best practices include keeping controllers focused on business logic, centralizing access logic based on roles and scopes, and implementing observability features like logging and rate limiting.</li></ul>

Locking the Gate: Secure and Scalable API Authentication in Phoenix

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