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header.sbs

Real-time HTTP Request Headers Inspection

A powerful tool for developers and network administrators to instantly view detailed HTTP header information. Easily analyze your current request in multiple formats including HTML, JSON, and plain text.

Request Headers Details

Header Name Value
host headers.cv
x-real-ip 2600:1f28:365:80b0:9fee:78be:967:d1a6
x-host headers.cv
x-forwarded-for 2600:1f28:365:80b0:9fee:78be:967:d1a6
x-forwarded-proto http
connection upgrade
user-agent CCBot/2.0 (https://commoncrawl.org/faq/)
accept text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
accept-encoding gzip, br
if-modified-since Tue, 13 Jan 2026 16:09:57 GMT
cf-ray 9f95940b2846fa2f-IAD
accept-language en-US,en;q=0.5
cdn-loop cloudflare; loops=1
cf-connecting-ip 2600:1f28:365:80b0:9fee:78be:967:d1a6
cf-ipcountry US
cf-visitor {"scheme":"https"}

Available Output Formats

HTML JSON Plain Text

How to Use

header.sbs automatically detects the request format and responds accordingly:

  • Browser requests receive this HTML page
  • Requests with Accept header set to application/json receive JSON response
  • Requests with Accept header set to text/plain receive plain text response

Tip: Use tools like curl or Postman and set the appropriate Accept header to receive your preferred format:

curl -H "Accept: application/json" https://header.sbs

Perfect for debugging, API testing, or understanding what your client is sending.