Cloudflare Turnstile Go library

This library is a Turnstile server side library for Go. It allows to verify challange responses sent to the server.


The library gives a struct set up to verify the challenges of a given private key set up with New(), responses received by the server can be verified with Verify().

import ""

func handleRequest(w http.ResponseWriter, r *http.Request) {
    tsResponse, _ := r.Form["cf-turnstile-response"]
    ts := turnstile.New("<insert secret key>")
    //Get IP from RemoteAddr
    ip, _, err := net.SplitHostPort(r.RemoteAddr)

    resp, err := ts.Verify(tsResponse[0], ip)
    // handle errors please!
    if resp.Success {
        // captcha OK!


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