views/sender.erb
<form action="/yo/" method="post">
<p>to: <input type="text" name="username" value="nona7" size="20" /></p>
<input type="hidden" name="api_token" value="<%= @token %>"/>
<input type="hidden" name="api_ver" value="0.1"/>
<p><input type="submit" name="submit" value="Yo!" /></p>
</form>
<form action="/yoall/" method="post">
<input type="hidden" name="api_token" value="<%= @token %>"/>
<input type="hidden" name="api_ver" value="0.1"/>
<p><input type="submit" name="submit" value="Yo ALL" /></p>
</form>