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 a037b8e00..3b2f618ef 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
@@ -1049,4 +1049,14 @@
         <label>Password</label>
         <type>password</type>
     </field>
+    <field>
+        <label>Leaseweb</label>
+        <type>header</type>
+        <style>table_dns table_dns_leaseweb</style>
+    </field>
+    <field>
+        <id>validation.dns_leaseweb_key</id>
+        <label>API Key</label>
+        <type>password</type>
+    </field>
 </form>
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 bb1fb209a..3ac271910 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
@@ -391,6 +391,7 @@
                         <dns_ispconfig>ISPConfig 3.1+ API</dns_ispconfig>
                         <dns_kinghost>KingHost DNS API</dns_kinghost>
                         <dns_knot>Knot (knsupdate) DNS API</dns_knot>
+                        <dns_leaseweb>LeaseWeb API</dns_leaseweb>
                         <dns_lexicon>lexicon DNS API</dns_lexicon>
                         <dns_linode>Linode API</dns_linode>
                         <dns_loopia>Loopia API</dns_loopia>
@@ -861,6 +862,9 @@
                 <dns_euserv_password type="TextField">
                     <Required>N</Required>
                 </dns_euserv_password>
+                <dns_leaseweb_key type="TextField">
+                    <Required>N</Required>
+                </dns_leaseweb_key>
             </validation>
         </validations>
         <actions>
diff --git a/security/acme-client/src/opnsense/scripts/OPNsense/AcmeClient/certhelper.php b/security/acme-client/src/opnsense/scripts/OPNsense/AcmeClient/certhelper.php
index eeb35243a..f9a648ee5 100755
--- a/security/acme-client/src/opnsense/scripts/OPNsense/AcmeClient/certhelper.php
+++ b/security/acme-client/src/opnsense/scripts/OPNsense/AcmeClient/certhelper.php
@@ -817,6 +817,9 @@ function run_acme_validation($certObj, $valObj, $acctObj)
                 $proc_env['KNOT_SERVER'] = (string)$valObj->dns_knot_server;
                 $proc_env['KNOT_KEY'] = (string)$valObj->dns_knot_key;
                 break;
+            case 'dns_leaseweb':
+                $proc_env['LSW_Key'] = (string)$valObj->dns_leaseweb_key;
+                break;
             case 'dns_lexicon':
                 $proc_env['PROVIDER'] = (string)$valObj->dns_lexicon_provider;
                 $proc_env['LEXICON_' . strtoupper($proc_env['PROVIDER']) . '_USERNAME'] = (string)$valObj->dns_lexicon_user;