Secure your API. Implement API Key and JWT-based authentication to protect your endpoints.
Implement a basic but effective security layer using static API keys sent in request headers.
Understand the structure (Header, Payload, Signature) and purpose of JSON Web Tokens.
Create a login endpoint to issue JWTs and a protected endpoint that requires a valid token.
Get a high-level overview of the OAuth 2.0 authorization framework, its roles, and common grant types.