diff --git a/CHANGELOG.md b/CHANGELOG.md
index 38acd724..a76e9399 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@ developers to maintain and readjust their custom modifications on the main proje
 ### Added
 
 - Add support for PHP 8.4 (#1640)
+- Add new secret token header field to webhooks and default to X-EA-Token (#1607)
  
 ### Fixed
 
diff --git a/application/config/app.php b/application/config/app.php
index 6cdba90a..dca27c74 100644
--- a/application/config/app.php
+++ b/application/config/app.php
@@ -9,10 +9,10 @@
 |
 */
 
-$config['version'] = '1.5.0'; // This must be changed manually.
+$config['version'] = '1.5.1-beta.1'; // This must be changed manually.
 
 $config['url'] = Config::BASE_URL;
 
 $config['debug'] = Config::DEBUG_MODE;
 
-$config['cache_busting_token'] = 'ZV954';
+$config['cache_busting_token'] = 'UH44E';
diff --git a/application/controllers/Webhooks.php b/application/controllers/Webhooks.php
index 47f6bf80..901268b1 100644
--- a/application/controllers/Webhooks.php
+++ b/application/controllers/Webhooks.php
@@ -20,7 +20,16 @@
  */
 class Webhooks extends EA_Controller
 {
-    public array $allowed_webhook_fields = ['id', 'name', 'url', 'actions', 'secret_token', 'is_ssl_verified', 'notes'];
+    public array $allowed_webhook_fields = [
+        'id',
+        'name',
+        'url',
+        'actions',
+        'secret_header',
+        'secret_token',
+        'is_ssl_verified',
+        'notes',
+    ];
 
     public array $optional_webhook_fields = [
         //
diff --git a/application/language/arabic/translations_lang.php b/application/language/arabic/translations_lang.php
index aabebdbc..50302e6b 100755
--- a/application/language/arabic/translations_lang.php
+++ b/application/language/arabic/translations_lang.php
@@ -483,4 +483,5 @@ $lang['fields'] = 'الحقول';
 $lang['invalid_credentials_provided'] = 'تم تقديم بيانات اعتماد غير صالحة، يرجى المحاولة مرة أخرى';
 $lang['calendar_url'] = 'عنوان URL للتقويم';
 $lang['please_select'] = 'يرجى الاختيار';
+$lang['secret_header'] = 'Secret Header';
 // End
diff --git a/application/language/bosnian/translations_lang.php b/application/language/bosnian/translations_lang.php
index e7561f8f..06be9326 100644
--- a/application/language/bosnian/translations_lang.php
+++ b/application/language/bosnian/translations_lang.php
@@ -483,4 +483,5 @@ $lang['fields'] = 'Polja';
 $lang['invalid_credentials_provided'] = 'Nevažeći akreditivi su navedeni, pokušajte ponovo.';
 $lang['calendar_url'] = 'URL kalendara';
 $lang['please_select'] = 'Molimo izaberite';
+$lang['secret_header'] = 'Secret Header';
 // End
diff --git a/application/language/bulgarian/translations_lang.php b/application/language/bulgarian/translations_lang.php
index ce2a1e6b..8b5192f7 100755
--- a/application/language/bulgarian/translations_lang.php
+++ b/application/language/bulgarian/translations_lang.php
@@ -482,4 +482,5 @@ $lang['display_on_calendar'] = 'Покажи в календара';
 $lang['display_in_services'] = 'Покажи в услугите';
 $lang['import_ldap_users'] = 'Импортиране на LDAP потребители';
 $lang['manage_providers'] = 'Управление на доставчици';
+$lang['secret_header'] = 'Secret Header';
 // End
diff --git a/application/language/catalan/translations_lang.php b/application/language/catalan/translations_lang.php
index f318d6f9..c3f0a93b 100644
--- a/application/language/catalan/translations_lang.php
+++ b/application/language/catalan/translations_lang.php
@@ -483,4 +483,5 @@ $lang['fields'] = 'Camps';
 $lang['invalid_credentials_provided'] = 'Les credencials no són vàlides, torneu-ho a provar un altre cop.';
 $lang['calendar_url'] = 'URL del calendari';
 $lang['please_select'] = 'Si us plau, seleccioneu';
+$lang['secret_header'] = 'Secret Header';
 // End
diff --git a/application/language/chinese/translations_lang.php b/application/language/chinese/translations_lang.php
index fc5f41ce..91c7151e 100755
--- a/application/language/chinese/translations_lang.php
+++ b/application/language/chinese/translations_lang.php
@@ -496,4 +496,5 @@ $lang['email'] = '电子邮件';
 $lang['website'] = '网站';
 $lang['social_media'] = '社交媒体';
 $lang['follow_us'] = '关注我们';
+$lang['secret_header'] = 'Secret Header';
 // End
diff --git a/application/language/croatian/translations_lang.php b/application/language/croatian/translations_lang.php
index 8356d720..32b78e9f 100644
--- a/application/language/croatian/translations_lang.php
+++ b/application/language/croatian/translations_lang.php
@@ -483,4 +483,5 @@ $lang['fields'] = 'Polja';
 $lang['invalid_credentials_provided'] = 'Pruženi podaci za prijavu su neispravni, pokušajte ponovo.';
 $lang['calendar_url'] = 'URL Kalendar';
 $lang['please_select'] = 'Molimo Odaberite';
+$lang['secret_header'] = 'Secret Header';
 // End
diff --git a/application/language/czech/translations_lang.php b/application/language/czech/translations_lang.php
index cd5cbdeb..51734c71 100644
--- a/application/language/czech/translations_lang.php
+++ b/application/language/czech/translations_lang.php
@@ -489,4 +489,5 @@ $lang['export'] = 'Exportovat';
 $lang['open'] = 'Otevřít';
 $lang['close'] = 'Zavřít';
 $lang['confirm_delete'] = 'Opravdu chcete odstranit tento záznam?';
+$lang['secret_header'] = 'Secret Header';
 // End
diff --git a/application/language/danish/translations_lang.php b/application/language/danish/translations_lang.php
index b783eb00..b7bab183 100755
--- a/application/language/danish/translations_lang.php
+++ b/application/language/danish/translations_lang.php
@@ -483,4 +483,5 @@ $lang['fields'] = 'Felter';
 $lang['invalid_credentials_provided'] = 'Ugyldige legitimationsoplysninger angivet, prøv igen.';
 $lang['calendar_url'] = 'Kalender URL';
 $lang['please_select'] = 'Vælg venligst';
+$lang['secret_header'] = 'Secret Header';
 // End
diff --git a/application/language/dutch/translations_lang.php b/application/language/dutch/translations_lang.php
index c5ba363f..3d08f78f 100755
--- a/application/language/dutch/translations_lang.php
+++ b/application/language/dutch/translations_lang.php
@@ -494,4 +494,5 @@ $lang['event_detail'] = 'Evenement Detail';
 $lang['event_success'] = 'Evenement succesvol toegevoegd.';
 $lang['event_update_success'] = 'Evenement succesvol bijgewerkt.';
 $lang['event_delete_success'] = 'Evenement succesvol verwijderd.';
+$lang['secret_header'] = 'Secret Header';
 // End
diff --git a/application/language/english/translations_lang.php b/application/language/english/translations_lang.php
index 81a85f9f..e641365e 100755
--- a/application/language/english/translations_lang.php
+++ b/application/language/english/translations_lang.php
@@ -483,4 +483,5 @@ $lang['fields'] = 'Fields';
 $lang['invalid_credentials_provided'] = 'Invalid credentials provided, please try again.';
 $lang['calendar_url'] = 'Calendar URL';
 $lang['please_select'] = 'Please Select';
+$lang['secret_header'] = 'Secret Header';
 // End
diff --git a/application/language/estonian/translations_lang.php b/application/language/estonian/translations_lang.php
index 4ecfcfd7..c5c7d76a 100644
--- a/application/language/estonian/translations_lang.php
+++ b/application/language/estonian/translations_lang.php
@@ -483,4 +483,5 @@ $lang['fields'] = 'Väljad';
 $lang['invalid_credentials_provided'] = 'Esitatud andmed on vigased, palun proovige uuesti.';
 $lang['calendar_url'] = 'Kalendri URL';
 $lang['please_select'] = 'Palun Valige';
+$lang['secret_header'] = 'Secret Header';
 // End
diff --git a/application/language/finnish/translations_lang.php b/application/language/finnish/translations_lang.php
index c58e0211..8a2d995d 100755
--- a/application/language/finnish/translations_lang.php
+++ b/application/language/finnish/translations_lang.php
@@ -483,4 +483,5 @@ $lang['fields'] = 'Kentät';
 $lang['invalid_credentials_provided'] = 'Tunnukset olivat virheelliset, ole hyvä ja yritä uudelleen.';
 $lang['calendar_url'] = 'Kalenterin URL';
 $lang['please_select'] = 'Valitse';
+$lang['secret_header'] = 'Secret Header';
 // End
diff --git a/application/language/french/translations_lang.php b/application/language/french/translations_lang.php
index 31ed453c..777e86a4 100755
--- a/application/language/french/translations_lang.php
+++ b/application/language/french/translations_lang.php
@@ -483,4 +483,5 @@ $lang['fields'] = 'Champs';
 $lang['invalid_credentials_provided'] = 'Identifiants fournis invalides, veuillez réessayer.';
 $lang['calendar_url'] = 'URL du Calendrier';
 $lang['please_select'] = 'Veuillez Sélectionner';
+$lang['secret_header'] = 'Secret Header';
 // End
diff --git a/application/language/german/translations_lang.php b/application/language/german/translations_lang.php
index 1e88a192..b176a95a 100755
--- a/application/language/german/translations_lang.php
+++ b/application/language/german/translations_lang.php
@@ -483,4 +483,5 @@ $lang['fields'] = 'Fields';
 $lang['invalid_credentials_provided'] = 'Invalid credentials provided, please try again.';
 $lang['calendar_url'] = 'Calendar URL';
 $lang['please_select'] = 'Bitte Wählen';
+$lang['secret_header'] = 'Secret Header';
 // End
diff --git a/application/language/greek/translations_lang.php b/application/language/greek/translations_lang.php
index 586585e8..79f11503 100755
--- a/application/language/greek/translations_lang.php
+++ b/application/language/greek/translations_lang.php
@@ -483,4 +483,5 @@ $lang['fields'] = 'Fields';
 $lang['invalid_credentials_provided'] = 'Invalid credentials provided, please try again.';
 $lang['calendar_url'] = 'Calendar URL';
 $lang['please_select'] = 'Παρακαλώ Επιλέξτε';
+$lang['secret_header'] = 'Secret Header';
 // End
diff --git a/application/language/hebrew/translations_lang.php b/application/language/hebrew/translations_lang.php
index 37da8744..4a333999 100644
--- a/application/language/hebrew/translations_lang.php
+++ b/application/language/hebrew/translations_lang.php
@@ -450,4 +450,5 @@ $lang['webhook_saved'] = 'WebHook נשמר בהצלחה.';
 $lang['webhook_deleted'] = 'WebHook נמחק בהצלחה.';
 $lang['delete_webhook'] = 'מחק WebHook';
 $lang['contact_info'] = 'מידע ליצירת קשר';
+$lang['secret_header'] = 'Secret Header';
 // End
diff --git a/application/language/hindi/translations_lang.php b/application/language/hindi/translations_lang.php
index 4f267e5b..8f4fe9eb 100755
--- a/application/language/hindi/translations_lang.php
+++ b/application/language/hindi/translations_lang.php
@@ -483,4 +483,5 @@ $lang['fields'] = 'फ़ील्ड्स';
 $lang['invalid_credentials_provided'] = 'अमान्य क्रेडेंशियल्स प्रदान किए गए हैं, कृपया पुनः प्रयास करें।';
 $lang['calendar_url'] = 'कैलेंडर URL';
 $lang['please_select'] = 'कृपया चयन करें';
+$lang['secret_header'] = 'Secret Header';
 // End
diff --git a/application/language/hungarian/translations_lang.php b/application/language/hungarian/translations_lang.php
index b9530391..0a6c5997 100755
--- a/application/language/hungarian/translations_lang.php
+++ b/application/language/hungarian/translations_lang.php
@@ -483,4 +483,5 @@ $lang['fields'] = 'Mezők';
 $lang['invalid_credentials_provided'] = 'Érvénytelen hitelesítő adatok lettek megadva, kérem próbálja újra.';
 $lang['calendar_url'] = 'Naptár URL';
 $lang['please_select'] = 'Kérem válasszon';
+$lang['secret_header'] = 'Secret Header';
 // End
diff --git a/application/language/italian/translations_lang.php b/application/language/italian/translations_lang.php
index dadbaa1c..a03b4b52 100755
--- a/application/language/italian/translations_lang.php
+++ b/application/language/italian/translations_lang.php
@@ -483,4 +483,5 @@ $lang['fields'] = 'Campi';
 $lang['invalid_credentials_provided'] = 'Credenziali fornite non valide, riprova.';
 $lang['calendar_url'] = 'URL Calendario';
 $lang['please_select'] = 'Seleziona';
+$lang['secret_header'] = 'Secret Header';
 // End
diff --git a/application/language/japanese/translations_lang.php b/application/language/japanese/translations_lang.php
index fd7f917e..e9c59d59 100755
--- a/application/language/japanese/translations_lang.php
+++ b/application/language/japanese/translations_lang.php
@@ -483,4 +483,5 @@ $lang['fields'] = 'フィールド';
 $lang['invalid_credentials_provided'] = '無効な認証情報が提供されました。もう一度お試しください。';
 $lang['calendar_url'] = 'カレンダーURL';
 $lang['please_select'] = '選択してください';
+$lang['secret_header'] = 'Secret Header';
 // End
diff --git a/application/language/latvian/translations_lang.php b/application/language/latvian/translations_lang.php
index f6ccff1d..34482b62 100644
--- a/application/language/latvian/translations_lang.php
+++ b/application/language/latvian/translations_lang.php
@@ -483,4 +483,5 @@ $lang['fields'] = 'Lauki';
 $lang['invalid_credentials_provided'] = 'Sniegti nepareizi akreditācijas dati, lūdzu, mēģiniet vēlreiz.';
 $lang['calendar_url'] = 'Kalendāra URL';
 $lang['please_select'] = 'Lūdzu, izvēlieties';
+$lang['secret_header'] = 'Secret Header';
 // End
diff --git a/application/language/lithuanian/translations_lang.php b/application/language/lithuanian/translations_lang.php
index de37e3c8..3e043944 100644
--- a/application/language/lithuanian/translations_lang.php
+++ b/application/language/lithuanian/translations_lang.php
@@ -483,4 +483,5 @@ $lang['fields'] = 'Fields';
 $lang['invalid_credentials_provided'] = 'Pateikti negaliojantys duomenys, bandykite dar kartą.';
 $lang['calendar_url'] = 'Kalendoriaus URL';
 $lang['please_select'] = 'Prašome pasirinkti';
+$lang['secret_header'] = 'Secret Header';
 // End
diff --git a/application/language/luxembourgish/translations_lang.php b/application/language/luxembourgish/translations_lang.php
index 5b95d324..23041777 100755
--- a/application/language/luxembourgish/translations_lang.php
+++ b/application/language/luxembourgish/translations_lang.php
@@ -483,4 +483,5 @@ $lang['fields'] = 'Felder';
 $lang['invalid_credentials_provided'] = 'Onvalabel Benotzerdaten, probéiert w.e.g. nach eng Kéier.';
 $lang['calendar_url'] = 'Kalenner URL';
 $lang['please_select'] = 'Wielt w.e.g.';
+$lang['secret_header'] = 'Secret Header';
 // End
diff --git a/application/language/marathi/translations_lang.php b/application/language/marathi/translations_lang.php
index 2e6c80ee..7c5b4921 100644
--- a/application/language/marathi/translations_lang.php
+++ b/application/language/marathi/translations_lang.php
@@ -483,4 +483,5 @@ $lang['fields'] = 'फील्ड';
 $lang['invalid_credentials_provided'] = 'अवैध प्रमाणपत्रे प्रदान केली गेली, कृपया पुन्हा प्रयत्न करा.';
 $lang['calendar_url'] = 'कॅलेंडर URL';
 $lang['please_select'] = 'कृपया निवडा';
+$lang['secret_header'] = 'Secret Header';
 // End
diff --git a/application/language/norwegian/translations_lang.php b/application/language/norwegian/translations_lang.php
index 61ffe972..e644235d 100644
--- a/application/language/norwegian/translations_lang.php
+++ b/application/language/norwegian/translations_lang.php
@@ -458,4 +458,5 @@ $lang['default_timezone_hint'] = 'Angi standard tidssoneverdi som skal brukes fo
 $lang['default_language'] = 'Standardspråk';
 $lang['default_language_hint'] = 'Angi standard språkverdi som skal brukes for nye poster.';
 $lang['sync_method_prompt'] = 'Hvilken synkroniseringsmetode ønsker du å bruke?';
+$lang['secret_header'] = 'Secret Header';
 // End
diff --git a/application/language/persian/translations_lang.php b/application/language/persian/translations_lang.php
index c3b58843..ec90c90f 100644
--- a/application/language/persian/translations_lang.php
+++ b/application/language/persian/translations_lang.php
@@ -483,4 +483,5 @@ $lang['fields'] = 'فیلدها';
 $lang['invalid_credentials_provided'] = 'اعتبارنامه‌های نامعتبر ارائه شده است، لطفاً دوباره تلاش کنید.';
 $lang['calendar_url'] = 'URL تقویم';
 $lang['please_select'] = 'لطفاً انتخاب کنید';
+$lang['secret_header'] = 'Secret Header';
 // End
diff --git a/application/language/polish/translations_lang.php b/application/language/polish/translations_lang.php
index 2f509c8c..087b5edf 100755
--- a/application/language/polish/translations_lang.php
+++ b/application/language/polish/translations_lang.php
@@ -483,4 +483,5 @@ $lang['fields'] = 'Pola';
 $lang['invalid_credentials_provided'] = 'Podano nieprawidłowe dane logowania, spróbuj ponownie.';
 $lang['calendar_url'] = 'URL kalendarza';
 $lang['please_select'] = 'Proszę wybrać';
+$lang['secret_header'] = 'Secret Header';
 // End
diff --git a/application/language/portuguese-br/translations_lang.php b/application/language/portuguese-br/translations_lang.php
index ec3dfb42..8711b64a 100755
--- a/application/language/portuguese-br/translations_lang.php
+++ b/application/language/portuguese-br/translations_lang.php
@@ -483,4 +483,5 @@ $lang['fields'] = 'Campos';
 $lang['invalid_credentials_provided'] = 'Credenciais inválidas fornecidas, por favor, tente novamente.';
 $lang['calendar_url'] = 'URL do Calendário';
 $lang['please_select'] = 'Por Favor, Selecione';
+$lang['secret_header'] = 'Secret Header';
 // End
diff --git a/application/language/portuguese/translations_lang.php b/application/language/portuguese/translations_lang.php
index ff158939..819ac9c2 100755
--- a/application/language/portuguese/translations_lang.php
+++ b/application/language/portuguese/translations_lang.php
@@ -483,4 +483,5 @@ $lang['fields'] = 'Campos';
 $lang['invalid_credentials_provided'] = 'Credenciais inválidas fornecidas, por favor, tente novamente.';
 $lang['calendar_url'] = 'URL do Calendário';
 $lang['please_select'] = 'Por Favor Selecione';
-// End
\ No newline at end of file
+$lang['secret_header'] = 'Secret Header';
+// End
diff --git a/application/language/romanian/translations_lang.php b/application/language/romanian/translations_lang.php
index 0de3bfe7..0ee367be 100755
--- a/application/language/romanian/translations_lang.php
+++ b/application/language/romanian/translations_lang.php
@@ -483,4 +483,5 @@ $lang['fields'] = 'Câmpuri';
 $lang['invalid_credentials_provided'] = 'Credențiale invalide furnizate, vă rugăm să încercați din nou.';
 $lang['calendar_url'] = 'URL Calendar';
 $lang['please_select'] = 'Vă Rugăm să Selectați';
+$lang['secret_header'] = 'Secret Header';
 // End
diff --git a/application/language/russian/translations_lang.php b/application/language/russian/translations_lang.php
index c98b03a8..eb9e3937 100644
--- a/application/language/russian/translations_lang.php
+++ b/application/language/russian/translations_lang.php
@@ -483,4 +483,5 @@ $lang['fields'] = 'Поля';
 $lang['invalid_credentials_provided'] = 'Предоставлены неверные учетные данные, пожалуйста, попробуйте снова.';
 $lang['calendar_url'] = 'URL Календаря';
 $lang['please_select'] = 'Пожалуйста, выберите';
+$lang['secret_header'] = 'Secret Header';
 // End
diff --git a/application/language/serbian/translations_lang.php b/application/language/serbian/translations_lang.php
index f9acfd84..13881ebf 100644
--- a/application/language/serbian/translations_lang.php
+++ b/application/language/serbian/translations_lang.php
@@ -483,4 +483,5 @@ $lang['fields'] = 'Polja';
 $lang['invalid_credentials_provided'] = 'Pružene kredencijale su nevažeće, molimo pokušajte ponovo.';
 $lang['calendar_url'] = 'URL Kalendara';
 $lang['please_select'] = 'Molimo izaberite';
+$lang['secret_header'] = 'Secret Header';
 // End
diff --git a/application/language/slovak/translations_lang.php b/application/language/slovak/translations_lang.php
index 5e708d88..fa8fd649 100755
--- a/application/language/slovak/translations_lang.php
+++ b/application/language/slovak/translations_lang.php
@@ -483,4 +483,5 @@ $lang['fields'] = 'Polia';
 $lang['invalid_credentials_provided'] = 'Poskytnuté údaje sú neplatné, skúste to prosím znova.';
 $lang['calendar_url'] = 'URL kalendára';
 $lang['please_select'] = 'Vyberte prosím';
+$lang['secret_header'] = 'Secret Header';
 // End
diff --git a/application/language/slovenian/translations_lang.php b/application/language/slovenian/translations_lang.php
index 803127c4..a010cc64 100644
--- a/application/language/slovenian/translations_lang.php
+++ b/application/language/slovenian/translations_lang.php
@@ -483,4 +483,5 @@ $lang['fields'] = 'Polja';
 $lang['invalid_credentials_provided'] = 'Navedene neveljavne poverilnice, poskusite znova.';
 $lang['calendar_url'] = 'URL koledarja';
 $lang['please_select'] = 'Prosim izberite';
+$lang['secret_header'] = 'Secret Header';
 // End
diff --git a/application/language/spanish/translations_lang.php b/application/language/spanish/translations_lang.php
index fcf0b43d..8e5b63e7 100755
--- a/application/language/spanish/translations_lang.php
+++ b/application/language/spanish/translations_lang.php
@@ -483,4 +483,5 @@ $lang['fields'] = 'Campos';
 $lang['invalid_credentials_provided'] = 'Credenciales inválidas proporcionadas, por favor intente nuevamente.';
 $lang['calendar_url'] = 'URL del Calendario';
 $lang['please_select'] = 'Por Favor Seleccione';
+$lang['secret_header'] = 'Secret Header';
 // End
diff --git a/application/language/swedish/translations_lang.php b/application/language/swedish/translations_lang.php
index e4134413..7690f4f8 100644
--- a/application/language/swedish/translations_lang.php
+++ b/application/language/swedish/translations_lang.php
@@ -483,4 +483,5 @@ $lang['fields'] = 'Fält';
 $lang['invalid_credentials_provided'] = 'Ogiltiga uppgifter angivna, vänligen försök igen.';
 $lang['calendar_url'] = 'Kalender-URL';
 $lang['please_select'] = 'Vänligen välj';
+$lang['secret_header'] = 'Secret Header';
 // End
diff --git a/application/language/thai/translations_lang.php b/application/language/thai/translations_lang.php
index 0068dc34..da589e1e 100644
--- a/application/language/thai/translations_lang.php
+++ b/application/language/thai/translations_lang.php
@@ -483,4 +483,5 @@ $lang['fields'] = 'ฟิลด์';
 $lang['invalid_credentials_provided'] = 'ข้อมูลรับรองไม่ถูกต้อง กรุณาลองอีกครั้ง';
 $lang['calendar_url'] = 'URL ปฏิทิน';
 $lang['please_select'] = 'กรุณาเลือก';
+$lang['secret_header'] = 'Secret Header';
 // End
diff --git a/application/language/traditional-chinese/translations_lang.php b/application/language/traditional-chinese/translations_lang.php
index 9f402dfa..1b63d7ec 100644
--- a/application/language/traditional-chinese/translations_lang.php
+++ b/application/language/traditional-chinese/translations_lang.php
@@ -483,4 +483,5 @@ $lang['fields'] = '欄位';
 $lang['invalid_credentials_provided'] = '提供的憑證無效，請重試。';
 $lang['calendar_url'] = '日曆網址';
 $lang['please_select'] = '請選擇';
+$lang['secret_header'] = 'Secret Header';
 // End
diff --git a/application/language/turkish/translations_lang.php b/application/language/turkish/translations_lang.php
index f56bbc6c..b763c619 100755
--- a/application/language/turkish/translations_lang.php
+++ b/application/language/turkish/translations_lang.php
@@ -483,4 +483,5 @@ $lang['fields'] = 'Alanlar';
 $lang['invalid_credentials_provided'] = 'Geçersiz kimlik bilgileri sağlandı, lütfen tekrar deneyin.';
 $lang['calendar_url'] = 'Takvim URL';
 $lang['please_select'] = 'Lütfen Seçin';
+$lang['secret_header'] = 'Secret Header';
 // End
diff --git a/application/libraries/Webhooks_client.php b/application/libraries/Webhooks_client.php
index 921c71a3..a3ace6f8 100644
--- a/application/libraries/Webhooks_client.php
+++ b/application/libraries/Webhooks_client.php
@@ -74,13 +74,22 @@ class Webhooks_client
         try {
             $client = new Client();
 
-            $client->post($webhook['url'], [
+            $headers = [];
+
+            if (!empty($webhook['secret_header']) && !empty($webhook['secret_token'])) {
+                $headers[$webhook['secret_header']] = $webhook['secret_token'];
+            }
+
+            $response = $client->post($webhook['url'], [
                 'verify' => $webhook['is_ssl_verified'],
+                'headers' => $headers,
                 'json' => [
                     'action' => $action,
                     'payload' => $payload,
                 ],
             ]);
+
+            echo $response->getBody()->getContents(); // Use this for quick debugging
         } catch (Throwable $e) {
             log_message(
                 'error',
diff --git a/application/migrations/060_add_secret_header_column_to_webhooks_table.php b/application/migrations/060_add_secret_header_column_to_webhooks_table.php
new file mode 100644
index 00000000..eb85215a
--- /dev/null
+++ b/application/migrations/060_add_secret_header_column_to_webhooks_table.php
@@ -0,0 +1,44 @@
+<?php defined('BASEPATH') or exit('No direct script access allowed');
+
+/* ----------------------------------------------------------------------------
+ * Easy!Appointments - Online Appointment Scheduler
+ *
+ * @package     EasyAppointments
+ * @author      A.Tselegidis <alextselegidis@gmail.com>
+ * @copyright   Copyright (c) Alex Tselegidis
+ * @license     https://opensource.org/licenses/GPL-3.0 - GPLv3
+ * @link        https://easyappointments.org
+ * @since       v1.4.0
+ * ---------------------------------------------------------------------------- */
+
+class Migration_Add_secret_header_column_to_webhooks_table extends EA_Migration
+{
+    /**
+     * Upgrade method.
+     */
+    public function up(): void
+    {
+        if (!$this->db->field_exists('secret_header', 'webhooks')) {
+            $fields = [
+                'secret_header' => [
+                    'type' => 'VARCHAR',
+                    'constraint' => '256',
+                    'default' => 'X-Ea-Token',
+                    'after' => 'actions',
+                ],
+            ];
+
+            $this->dbforge->add_column('webhooks', $fields);
+        }
+    }
+
+    /**
+     * Downgrade method.
+     */
+    public function down(): void
+    {
+        if ($this->db->field_exists('secret_header', 'webhooks')) {
+            $this->dbforge->drop_column('webhooks', 'secret_header');
+        }
+    }
+}
diff --git a/application/views/pages/webhooks.php b/application/views/pages/webhooks.php
index b770b6eb..a581bad6 100755
--- a/application/views/pages/webhooks.php
+++ b/application/views/pages/webhooks.php
@@ -79,13 +79,21 @@
             </div>
 
             <div class="mb-3">
-                <label class="form-label" for="duration">
+                <label class="form-label" for="url">
                     <?= lang('url') ?>
                     <span class="text-danger" hidden>*</span>
                 </label>
                 <input id="url" class="form-control required" disabled>
             </div>
 
+            <div class="mb-3">
+                <label class="form-label" for="secret-header">
+                    <?= lang('secret_header') ?>
+                </label>
+
+                <input id="secret-header" class="form-control" disabled>
+            </div>
+            
             <div class="mb-3">
                 <label class="form-label" for="secret-token">
                     <?= lang('secret_token') ?>
diff --git a/assets/js/pages/webhooks.js b/assets/js/pages/webhooks.js
index db3facfa..4a0d4f21 100644
--- a/assets/js/pages/webhooks.js
+++ b/assets/js/pages/webhooks.js
@@ -20,6 +20,7 @@ App.Pages.Webhooks = (function () {
     const $name = $('#name');
     const $url = $('#url');
     const $actions = $('#actions');
+    const $secretHeader = $('#secret-header');
     const $secretToken = $('#secret-token');
     const $isSslVerified = $('#is-ssl-verified');
     const $notes = $('#notes');
@@ -102,6 +103,7 @@ App.Pages.Webhooks = (function () {
                 name: $name.val(),
                 url: $url.val(),
                 actions: '',
+                secret_header: $secretHeader.val(),
                 secret_token: $secretToken.val(),
                 is_ssl_verified: Number($isSslVerified.prop('checked')),
                 notes: $notes.val(),
@@ -254,6 +256,7 @@ App.Pages.Webhooks = (function () {
         $id.val(webhook.id);
         $name.val(webhook.name);
         $url.val(webhook.url);
+        $secretHeader.val(webhook.secret_header);
         $secretToken.val(webhook.secret_token);
         $isSslVerified.prop('checked', Boolean(Number(webhook.is_ssl_verified)));