Top 7 API authentication methods and how to use them

API authentication is crucial in securing APIs that handle sensitive data from unauthorized access. There are seven main methods of API authentication: API key, OAuth 2.0, JWT, basic authentication, digest authentication, HMAC, and mutual TLS. Each method has its unique benefits and use cases, with some being more suitable for specific scenarios than others. The choice of the authentication method depends on factors such as security requirements, ease of implementation, and compatibility with existing systems. It is essential to follow best practices like encryption, rate limiting, token expiration, secure API key storage, and strong passwords to ensure robust API security.

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