Response

HTTP Server Header

Contains information about the software used by the origin server to handle the request. May include version numbers.

Purpose

Identifies the server software, useful for debugging and compatibility checking.

Server: <product> Example: Server: nginx/1.24.0 Example: Server: cloudflare Example: Server: Microsoft-IIS/10.0

See how to use the Server header in different tools and languages.

curl -I https://api.example.com/data
# Server: nginx/1.24.0

curl -I https://httpbin.org/get
# Server: gunicorn/19.9.0

Contains the date and time when the message was originated. Every HTTP response should include this header.

Indicates the media type (MIME type) of the resource being sent. Tells the client how to interpret the response body.

Test your APIs and inspect response headers in real-time

Complete reference of all HTTP request and response headers

server headerhttp serverhttp headers guide