JWT in REST APIs: Secure Endpoints with Bearer Tokens
How JWTs are passed in Authorization headers, validated server-side, and scoped to protect REST API resources.
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Tags: security, jwt, api
JWT in REST APIs: Authorization Header, CORS, and Revocation Putting JWT authentication into a production REST API involves more than just generating and verifying tokens. You need to handle the Authorization header correctly, configure CORS for credentialed cross-origin requests, and understand the practical limits of JWT revocation. Each of these has subtleties that trip up even experienced developers. The Authorization Header Pattern The de facto standard for passing JWTs in REST API requests is the header with the scheme: Parsing on the server: Why Bearer and not something else? The HTTP header supports multiple authentication schemes. (defined in RFC 6750) is the standard for OAuth 2.0 tokens. Using it signals to clients, proxies, and logging systems that this is a token-based auth…
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