diff --git a/security/acme-client/pkg-descr b/security/acme-client/pkg-descr
index bf40e15c9..7479fda31 100644
--- a/security/acme-client/pkg-descr
+++ b/security/acme-client/pkg-descr
@@ -12,6 +12,7 @@ Plugin Changelog
 
 Added:
 * add support for custom ACME CAs (#2529)
+* add support for Porkbun API (#2561)
 
 Fixed:
 * fix ACME Client reset (#2562)
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 4faa6b778..2f8e45bd4 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
@@ -1338,4 +1338,19 @@
         <label>Key</label>
         <type>text</type>
     </field>
+    <field>
+        <label>Porkbun API</label>
+        <type>header</type>
+        <style>table_dns table_dns_porkbun</style>
+    </field>
+    <field>
+        <id>validation.dns_porkbun_key</id>
+        <label>API Key</label>
+        <type>text</type>
+    </field>
+    <field>
+        <id>validation.dns_porkbun_secret</id>
+        <label>Secret API Key</label>
+        <type>password</type>
+    </field>
 </form>
diff --git a/security/acme-client/src/opnsense/mvc/app/library/OPNsense/AcmeClient/LeValidation/DnsPorkbun.php b/security/acme-client/src/opnsense/mvc/app/library/OPNsense/AcmeClient/LeValidation/DnsPorkbun.php
new file mode 100644
index 000000000..872b85baf
--- /dev/null
+++ b/security/acme-client/src/opnsense/mvc/app/library/OPNsense/AcmeClient/LeValidation/DnsPorkbun.php
@@ -0,0 +1,45 @@
+<?php
+
+/*
+ * Copyright (C) 2021 Frank Wall
+ * 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;
+
+/**
+ * Porkbun API
+ * @package OPNsense\AcmeClient
+ */
+class DnsPorkbun extends Base implements LeValidationInterface
+{
+    public function prepare()
+    {
+        $this->acme_env['PORKBUN_API_KEY'] = (string)$this->config->dns_porkbun_key;
+        $this->acme_env['PORKBUN_SECRET_API_KEY'] = (string)$this->config->dns_porkbun_secret;
+    }
+}
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 0ae3d6720..f5292f522 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
@@ -1,6 +1,6 @@
 <model>
     <mount>//OPNsense/AcmeClient</mount>
-    <version>3.0.0</version>
+    <version>3.1.0</version>
     <description>A secure ACME Client plugin</description>
     <items>
         <settings>
@@ -454,6 +454,7 @@
                         <dns_ovh>OVH, kimsufi, soyoustart and runabove API</dns_ovh>
                         <dns_pdns>PowerDNS.com API</dns_pdns>
                         <dns_pleskxml>Plesk XML API</dns_pleskxml>
+                        <dns_porkbun>Porkbun API</dns_porkbun>
                         <dns_schlundtech>SchlundTech</dns_schlundtech>
                         <dns_selectel>selectel.com / selectel.ru domain API</dns_selectel>
                         <dns_servercow>Servercow API v1</dns_servercow>
@@ -884,6 +885,12 @@
                 <dns_pdns_token type="TextField">
                     <Required>N</Required>
                 </dns_pdns_token>
+                <dns_porkbun_key type="TextField">
+                    <Required>N</Required>
+                </dns_porkbun_key>
+                <dns_porkbun_secret type="TextField">
+                    <Required>N</Required>
+                </dns_porkbun_secret>
                 <dns_sl_key type="TextField">
                     <Required>N</Required>
                 </dns_sl_key>