diff --git a/security/acme-client/pkg-descr b/security/acme-client/pkg-descr
index 11a6d4150..696ed5624 100644
--- a/security/acme-client/pkg-descr
+++ b/security/acme-client/pkg-descr
@@ -9,9 +9,11 @@ Plugin Changelog
 ================
 
 3.20
+
 Added:
 * add Bunny DNS API
 * add support for DNSExit
+* add World4You DNS API (#3722)
 
 3.19
 
diff --git a/security/acme-client/src/opnsense/mvc/app/controllers/OPNsense/AcmeClient/forms/dialogValidation.xml b/security/acme-client/src/opnsense/mvc/app/controllers/OPNsense/AcmeClient/forms/dialogValidation.xml
index 9eecd5f2e..382086eca 100644
--- a/security/acme-client/src/opnsense/mvc/app/controllers/OPNsense/AcmeClient/forms/dialogValidation.xml
+++ b/security/acme-client/src/opnsense/mvc/app/controllers/OPNsense/AcmeClient/forms/dialogValidation.xml
@@ -1656,4 +1656,19 @@
         <label>Password</label>
         <type>password</type>
     </field>
+    <field>
+        <label>World4You</label>
+        <type>header</type>
+        <style>table_dns table_dns_world4you</style>
+    </field>
+    <field>
+        <id>validation.dns_world4you_username</id>
+        <label>User</label>
+        <type>text</type>
+    </field>
+    <field>
+        <id>validation.dns_world4you_password</id>
+        <label>Password</label>
+        <type>password</type>
+    </field>
 </form>
diff --git a/security/acme-client/src/opnsense/mvc/app/library/OPNsense/AcmeClient/LeValidation/DnsWorld4you.php b/security/acme-client/src/opnsense/mvc/app/library/OPNsense/AcmeClient/LeValidation/DnsWorld4you.php
new file mode 100644
index 000000000..192c8d63e
--- /dev/null
+++ b/security/acme-client/src/opnsense/mvc/app/library/OPNsense/AcmeClient/LeValidation/DnsWorld4you.php
@@ -0,0 +1,44 @@
+<?php
+
+/*
+ * Copyright (C) 2023 Frank Wall
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+ * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+namespace OPNsense\AcmeClient\LeValidation;
+
+use OPNsense\AcmeClient\LeValidationInterface;
+use OPNsense\Core\Config;
+
+/**
+ * World4You DNS API
+ * @package OPNsense\AcmeClient
+ */
+class DnsWorld4you extends Base implements LeValidationInterface
+{
+    public function prepare()
+    {
+        $this->acme_env['WORLD4YOU_USERNAME'] = (string)$this->config->dns_world4you_username;
+        $this->acme_env['WORLD4YOU_PASSWORD'] = (string)$this->config->dns_world4you_password;
+    }
+}
diff --git a/security/acme-client/src/opnsense/mvc/app/models/OPNsense/AcmeClient/AcmeClient.xml b/security/acme-client/src/opnsense/mvc/app/models/OPNsense/AcmeClient/AcmeClient.xml
index 65adfcef4..980c0b958 100644
--- a/security/acme-client/src/opnsense/mvc/app/models/OPNsense/AcmeClient/AcmeClient.xml
+++ b/security/acme-client/src/opnsense/mvc/app/models/OPNsense/AcmeClient/AcmeClient.xml
@@ -509,6 +509,7 @@
                         <dns_variomedia>Variomedia.de</dns_variomedia>
                         <dns_vscale>Vscale</dns_vscale>
                         <dns_vultr>Vultr</dns_vultr>
+                        <dns_world4you>World4You</dns_world4you>
                         <dns_yandex>Yandex PDD</dns_yandex>
                         <dns_zilore>Zilore</dns_zilore>
                         <dns_zone>Zone.eu</dns_zone>
@@ -1172,6 +1173,12 @@
                 <dns_regru_password type="TextField">
                     <Required>N</Required>
                 </dns_regru_password>
+                <dns_world4you_username type="TextField">
+                    <Required>N</Required>
+                </dns_world4you_username>
+                <dns_world4you_password type="TextField">
+                    <Required>N</Required>
+                </dns_world4you_password>
             </validation>
         </validations>
         <actions>