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 c057c209b..50ac7760d 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
@@ -1060,6 +1060,22 @@
         <label>Password</label>
         <type>password</type>
     </field>
+    <field>
+        <label>Transip</label>
+        <type>header</type>
+        <style>table_dns table_dns_transip</style>
+    </field>
+    <field>
+        <id>validation.dns_transip_username</id>
+        <label>Username</label>
+        <type>text</type>
+	<help>Your TransIP username.</help>
+    <field>
+        <id>validation.dns_transip_key</id>
+        <label>API Key</label>
+        <type>text</type>
+	<help>Requires the whole key file in a format that is compatible with TransIP.</help>
+    </field>
     <field>
         <label>UnoEuro</label>
         <type>header</type>
diff --git a/security/acme-client/src/opnsense/mvc/app/library/OPNsense/AcmeClient/LeValidation/DnsTransip.php b/security/acme-client/src/opnsense/mvc/app/library/OPNsense/AcmeClient/LeValidation/DnsTransip.php
new file mode 100644
index 000000000..5811202e5
--- /dev/null
+++ b/security/acme-client/src/opnsense/mvc/app/library/OPNsense/AcmeClient/LeValidation/DnsTransip.php
@@ -0,0 +1,51 @@
+<?php
+
+/*
+ * Copyright (C) 2022 Wouter Deurholt
+ * 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;
+
+/**
+ * Transip API
+ * @package OPNsense\AcmeClient
+ */
+class DnsTransip extends Base implements LeValidationInterface
+{
+    public function prepare()
+    {
+        $configdir = (string)sprintf(self::ACME_CONFIG_DIR, $this->cert_id);
+        $secret_key_filename = "${configdir}/secret.key";
+        $secret_key_data = (string)$this->config->dns_transip_key . "\n";
+        file_put_contents($secret_key_filename, $secret_key_data);
+
+        // Add env variables
+        $this->acme_env['TRANSIP_Username'] = (string)$this->config->dns_transip_username;
+        $this->acme_env['TRANSIP_Key_File'] = $secret_key_filename;
+    }
+}
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 53b71855d..5c17d1420 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
@@ -488,6 +488,7 @@
                         <dns_selectel>selectel.com / selectel.ru domain API</dns_selectel>
                         <dns_selfhost>Selfhost API</dns_selfhost>
                         <dns_servercow>Servercow API v1</dns_servercow>
+                        <dns_transip>Transip API</dns_transip>
                         <dns_unoeuro>UnoEuro API</dns_unoeuro>
                         <dns_variomedia>Variomedia.de API</dns_variomedia>
                         <dns_vscale>Vscale API</dns_vscale>
@@ -942,6 +943,12 @@
                 <dns_servercow_password type="TextField">
                     <Required>N</Required>
                 </dns_servercow_password>
+                <dns_transip_username type="TextField">
+                    <Required>N</Required>
+                </dns_transip_username>
+                <dns_transip_key type="TextField">
+                    <Required>N</Required>
+                </dns_transip_key>
                 <dns_uno_key type="TextField">
                     <Required>N</Required>
                 </dns_uno_key>