ized</p></dd></dl><dl><dt class="spec value" id="val-bearer_only"><a href="#val-bearer_only" class="anchor"></a><code><span class="keyword">val</span> bearer_only : <span>(string <span>&#45;&gt;</span> Opium.Std.Request.t <span>&#45;&gt;</span> bool)</span> <span>&#45;&gt;</span> <span><a href="../index.html#type-auth_credential">auth_credential</a> option</span> <span>&#45;&gt;</span> Opium.Std.Request.t <span>&#45;&gt;</span> bool</code></dt><dd><p><code>bearer_only token_check</code> rejects all requests