HTTP Headers

Complete reference for HTTP request and response headers

About HTTP Headers
HTTP headers are key-value pairs sent in HTTP requests and responses. They provide metadata about the message, such as content type, caching directives, authentication, and more. Click any header name to copy it.

Content Headers

Headers related to content type and encoding

Header Type Description Example

Authentication & Security

Header Type Description Example

Caching

Header Type Description Example

CORS (Cross-Origin Resource Sharing)

Header Type Description Example

Request Headers

Header Type Description Example

Response Headers

Header Type Description Example