独自の Web サイトからサインアップを収集します。

<!-- SocialHub signup form — paste anywhere in your site's HTML -->
<form class="flash-signup" style="max-width:340px;font-family:sans-serif">
  <input type="email" name="email" required placeholder="Email address"
    style="width:100%;padding:10px;margin-bottom:8px;border:1px solid #ccc;border-radius:6px" />
  <label style="display:block;font-size:13px;margin-bottom:8px">
    <input type="checkbox" name="opt_in" checked /> Send me offers and updates
  </label>
  <!-- honeypot: real people never fill this; bots do -->
  <input type="text" name="website" tabindex="-1" autocomplete="off"
    style="position:absolute;left:-9999px" aria-hidden="true" />
  <button type="submit" style="width:100%;padding:10px;border:0;border-radius:6px;background:#111;color:#fff;cursor:pointer">Sign up</button>
</form>
<script>
(function () {
  var f = document.currentScript.previousElementSibling;
  var t = Date.now();                                  // render time — the min-fill-time bot check
  f.addEventListener("submit", function (e) {
    e.preventDefault();
    fetch("https://flash.socialhub.ai/api/flash/capture/YOUR_SHORT_CODE", {
      method: "POST",
      headers: { "Content-Type": "application/json" },
      body: JSON.stringify({
        email: f.email.value,
        opt_in: f.opt_in.checked,
        _t: String(t),
        website: f.website.value                       // honeypot value
      })
    })
      .then(function (r) { return r.json(); })
      .then(function (d) { f.innerHTML = d && d.success ? "<p>Thanks — you're signed up!</p>" : "<p>Sorry, something went wrong.</p>"; })
      .catch(function () { f.innerHTML = "<p>Sorry, something went wrong.</p>"; });
  });
})();
</script>