Privacy-first CAPTCHA

 1  <script src=
 2    "https://challenge
 3      .byebot.de
 4      /ray/widget.js"
 5  ></script>
 6
 7  <form>
 8    <input name="user">
 9    <input name="pass">
10    <div
11      class="captcha-widget"
12      sitekey="f31520..."
13    ></div>
14    <button>Submit</button>
15  </form>

 1  // Validate the token
 2  const res = await fetch(
 3    "https://challenge
 4      .byebot.de
 5      /validate_token",
 6    {
 7      method: "POST",
 8      headers: {
 9        "Content-Type":
10          "application/json"
11      },
12      body: JSON.stringify({
13        api_key: KEY,
14        token: token
15      })
16    }
17  );