How to Set Up Proxies in Go (net/http)

package main

import (
    "fmt"
    "io"
    "net/http"
    "net/url"
)

func main() {
    proxyURL, _ := url.Parse("http://user:pass@host:port")
    client := &http.Client{
        Transport: &http.Transport{Proxy: http.ProxyURL(proxyURL)},
    }
    resp, _ := client.Get("https://httpbin.org/ip")
    defer resp.Body.Close()
    body, _ := io.ReadAll(resp.Body)
    fmt.Println(string(body))
}

Go's standard library handles proxy auth natively by embedding user:pass in the parsed url.URL passed to http.ProxyURL. For per-request rotation, build a fresh http.Transport (or swap the Proxy function) per client, since transports are safe to reuse and pool connections. Set Transport.Proxy to a closure returning different URLs if you want to load-balance across an endpoint pool inside one client.

Go (net/http) works cleanly with rotating backconnect endpoints — point it at a single gateway host and the provider rotates the exit IP for you.

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