HTTP Headers

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Key-value pairs in HTTP requests and responses that carry metadata. Content-Type specifies the media type, Authorization carries credentials, Cache-Control directs caching behavior, and CORS headers (Access-Control-Allow-Origin, etc.) control cross-origin access.

Key Properties

• Content-Type Header
• Authorization Header
• Cache-Control Header
• CORS Headers

Related

• HTTP Methods (headers modify request behavior)
• Cookies and Sessions (Set-Cookie and Cookie headers)

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