diff --git a/security/acme-client/pkg-descr b/security/acme-client/pkg-descr
index f00176d56..de659b182 100644
--- a/security/acme-client/pkg-descr
+++ b/security/acme-client/pkg-descr
@@ -11,6 +11,7 @@ Plugin Changelog
 3.16
 
 Added:
+* add RegRu DNS API
 * add JD Cloud DNS API (#3315)
 * new automation: deploy certificates on Palo Alto Networks Firewall (#3289)
 
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 8317542bd..1e4de7e2f 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
@@ -1556,4 +1556,19 @@
         <type>text</type>
         <help>EX: https://hostname:2083</help>
     </field>
+    <field>
+        <label>regru</label>
+        <type>header</type>
+        <style>table_dns table_dns_regru</style>
+    </field>
+    <field>
+        <id>validation.dns_regru_username</id>
+        <label>User</label>
+        <type>text</type>
+    </field>
+    <field>
+        <id>validation.dns_regru_password</id>
+        <label>Password</label>
+        <type>password</type>
+    </field>
 </form>
diff --git a/security/acme-client/src/opnsense/mvc/app/library/OPNsense/AcmeClient/LeValidation/DnsRegru.php b/security/acme-client/src/opnsense/mvc/app/library/OPNsense/AcmeClient/LeValidation/DnsRegru.php
new file mode 100644
index 000000000..e9cc1f659
--- /dev/null
+++ b/security/acme-client/src/opnsense/mvc/app/library/OPNsense/AcmeClient/LeValidation/DnsRegru.php
@@ -0,0 +1,45 @@
+<?php
+
+/*
+ * Copyright (C) 2023 Dmitry Shinkaruk
+ * All rights reserved.
+ *
+ * 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;
+
+ /**
+  * RegRu DNS API
+  * @package OPNsense\AcmeClient
+  */
+ class DnsRegru extends Base implements LeValidationInterface
+ {
+     public function prepare()
+     {
+         $this->acme_env['REGRU_API_Username'] = (string)$this->config->dns_regru_username;
+         $this->acme_env['REGRU_API_Password'] = (string)$this->config->dns_regru_password;
+     }
+ }
\ No newline at end of file
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 aa86eb9e6..cc001ca94 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
@@ -491,6 +491,7 @@
                         <dns_pdns>PowerDNS.com</dns_pdns>
                         <dns_pleskxml>Plesk</dns_pleskxml>
                         <dns_porkbun>Porkbun</dns_porkbun>
+                        <dns_regru>regru</dns_regru>
                         <dns_schlundtech>SchlundTech</dns_schlundtech>
                         <dns_selectel>selectel.com / selectel.ru</dns_selectel>
                         <dns_selfhost>Selfhost</dns_selfhost>
@@ -1126,6 +1127,12 @@
                 <dns_cpanel_hostname type="TextField">
                     <Required>N</Required>
                 </dns_cpanel_hostname>
+                <dns_regru_username type="TextField">
+                    <Required>N</Required>
+                </dns_regru_username>
+                <dns_regru_password type="TextField">
+                    <Required>N</Required>
+                </dns_regru_password>
             </validation>
         </validations>
         <actions>