Middleware web
Use the query param "rewrite" to rewrite the url using the middleware.
Example 1: Rewrite to Google
/?rewrite=https://www.google.com
Example 2: Rewrite to a web that shows the headers received by its server
/?rewrite=https://request-headers-web.vercel.app/
Request Headers
Here are the headers sent to the server to generate this web.
- accept: */*
- accept-encoding: gzip, br, zstd, deflate
- connection: close
- date: Sat, 19 Sep 2026 22:03:07 GMT
- forwarded: for=216.73.216.250;host=middleware-web.vercel.app;proto=https;sig=0QmVhcmVyIDZmZTJiNjliMGRhZTc1MDU4NjM5NWM5NGI2MjczZjE0MDdhODRkMjQ1Y2QwZGExNmU0MzJlZmNhYjVmYzhhMzA=;exp=1789855687
- host: middleware-web.vercel.app
- user-agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
- x-forwarded-for: 216.73.216.250
- x-forwarded-host: middleware-web.vercel.app
- x-forwarded-port: 443
- x-forwarded-proto: https
- x-matched-path: /
- x-real-ip: 216.73.216.250
- x-vercel-deployment-url: middleware-cqpjx93ev-hector-parras-projects-7eb46b93.vercel.app
- x-vercel-forwarded-for: 216.73.216.250
- x-vercel-id: cle1::skc4k-1789855387823-83e0ff5f72a7
- x-vercel-internal-rusty-4372: 1
- x-vercel-internal-rusty-4487: 1
- x-vercel-ip-as-number: 16509
- x-vercel-ip-city: Columbus
- x-vercel-ip-continent: NA
- x-vercel-ip-country: US
- x-vercel-ip-country-region: OH
- x-vercel-ip-latitude: 39.9587
- x-vercel-ip-longitude: -82.9987
- x-vercel-ip-postal-code: 43215
- x-vercel-ip-timezone: America/New_York
- x-vercel-ja4-digest: t13d1011h2_61a7ad8aa9b6_3fcd1a44f3e3
- x-vercel-proxied-for: 216.73.216.250
- x-vercel-proxy-signature: Bearer 6fe2b69b0dae750586395c94b6273f1407a84d245cd0da16e432efcab5fc8a30
- x-vercel-proxy-signature-ts: 1789855687
- x-vercel-sc-basepath:
- x-vercel-sc-headers: {"x-vercel-function-platform":"vercel\/proxy+serverless","x-vercel-ept":"1","Authorization":"Bearer eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.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.37x7QGsaQzaIOXDOTy8YTzlhFjd1U_0Xsv3isgjsoh8"}
- x-vercel-sc-host: iad1.suspense-cache.vercel-infra.com
- x-vercel-sc-runtime-cache: 1