diff --git a/app/controllers/webhook_secret_controller.rb b/app/controllers/webhook_secret_controller.rb
new file mode 100644
index 00000000..12c1edae
--- /dev/null
+++ b/app/controllers/webhook_secret_controller.rb
@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+class WebhookSecretController < ApplicationController
+  before_action :load_encrypted_config
+  authorize_resource :encrypted_config, parent: false
+
+  def index; end
+
+  def create
+    @encrypted_config.assign_attributes(value: {
+      encrypted_config_params[:key] => encrypted_config_params[:value]
+    }.compact_blank)
+
+    @encrypted_config.value.present? ? @encrypted_config.save! : @encrypted_config.delete
+
+    redirect_back(fallback_location: settings_webhooks_path, notice: 'Webhook Secret has been saved.')
+  end
+
+  private
+
+  def load_encrypted_config
+    @encrypted_config =
+      current_account.encrypted_configs.find_or_initialize_by(key: EncryptedConfig::WEBHOOK_SECRET_KEY)
+  end
+
+  def encrypted_config_params
+    params.require(:encrypted_config).permit(value: %i[key value]).fetch(:value, {})
+  end
+end
diff --git a/app/jobs/send_form_completed_webhook_request_job.rb b/app/jobs/send_form_completed_webhook_request_job.rb
index 1012c60a..62c6e1d5 100644
--- a/app/jobs/send_form_completed_webhook_request_job.rb
+++ b/app/jobs/send_form_completed_webhook_request_job.rb
@@ -14,7 +14,7 @@ class SendFormCompletedWebhookRequestJob
 
     attempt = params['attempt'].to_i
 
-    url = load_url(submitter, params)
+    url, secret = load_url_and_secret(submitter, params)
 
     return if url.blank?
 
@@ -29,6 +29,7 @@ class SendFormCompletedWebhookRequestJob
                      timestamp: Time.current,
                      data: Submitters::SerializeForWebhook.call(submitter)
                    }.to_json,
+                   **secret.to_h,
                    'Content-Type' => 'application/json',
                    'User-Agent' => USER_AGENT)
     rescue Faraday::Error
@@ -45,9 +46,11 @@ class SendFormCompletedWebhookRequestJob
     end
   end
 
-  def load_url(submitter, params)
+  def load_url_and_secret(submitter, params)
     if params['encrypted_config_id']
-      url = EncryptedConfig.find(params['encrypted_config_id']).value
+      config = EncryptedConfig.find(params['encrypted_config_id'])
+
+      url = config.value
 
       return if url.blank?
 
@@ -55,7 +58,10 @@ class SendFormCompletedWebhookRequestJob
 
       return if preferences['form.completed'] == false
 
-      url
+      secret = EncryptedConfig.find_or_initialize_by(account_id: config.account_id,
+                                                     key: EncryptedConfig::WEBHOOK_SECRET_KEY)&.value.to_h
+
+      [url, secret]
     elsif params['webhook_url_id']
       webhook_url = submitter.account.webhook_urls.find(params['webhook_url_id'])
 
diff --git a/app/jobs/send_form_started_webhook_request_job.rb b/app/jobs/send_form_started_webhook_request_job.rb
index 9bf8f6c8..747e9338 100644
--- a/app/jobs/send_form_started_webhook_request_job.rb
+++ b/app/jobs/send_form_started_webhook_request_job.rb
@@ -13,7 +13,8 @@ class SendFormStartedWebhookRequestJob
     submitter = Submitter.find(params['submitter_id'])
 
     attempt = params['attempt'].to_i
-    url = Accounts.load_webhook_url(submitter.submission.account)
+    config = Accounts.load_webhook_config(submitter.submission.account)
+    url = config&.value.presence
 
     return if url.blank?
 
@@ -30,6 +31,8 @@ class SendFormStartedWebhookRequestJob
                      timestamp: Time.current,
                      data: Submitters::SerializeForWebhook.call(submitter)
                    }.to_json,
+                   **EncryptedConfig.find_or_initialize_by(account_id: config.account_id,
+                                                           key: EncryptedConfig::WEBHOOK_SECRET_KEY)&.value.to_h,
                    'Content-Type' => 'application/json',
                    'User-Agent' => USER_AGENT)
     rescue Faraday::Error
diff --git a/app/jobs/send_form_viewed_webhook_request_job.rb b/app/jobs/send_form_viewed_webhook_request_job.rb
index 9cf6cc54..391064e3 100644
--- a/app/jobs/send_form_viewed_webhook_request_job.rb
+++ b/app/jobs/send_form_viewed_webhook_request_job.rb
@@ -13,7 +13,8 @@ class SendFormViewedWebhookRequestJob
     submitter = Submitter.find(params['submitter_id'])
 
     attempt = params['attempt'].to_i
-    url = Accounts.load_webhook_url(submitter.submission.account)
+    config = Accounts.load_webhook_config(submitter.submission.account)
+    url = config&.value.presence
 
     return if url.blank?
 
@@ -30,6 +31,8 @@ class SendFormViewedWebhookRequestJob
                      timestamp: Time.current,
                      data: Submitters::SerializeForWebhook.call(submitter)
                    }.to_json,
+                   **EncryptedConfig.find_or_initialize_by(account_id: config.account_id,
+                                                           key: EncryptedConfig::WEBHOOK_SECRET_KEY)&.value.to_h,
                    'Content-Type' => 'application/json',
                    'User-Agent' => USER_AGENT)
     rescue Faraday::Error
diff --git a/app/jobs/send_submission_archived_webhook_request_job.rb b/app/jobs/send_submission_archived_webhook_request_job.rb
index 76273cee..ff62419e 100644
--- a/app/jobs/send_submission_archived_webhook_request_job.rb
+++ b/app/jobs/send_submission_archived_webhook_request_job.rb
@@ -13,7 +13,9 @@ class SendSubmissionArchivedWebhookRequestJob
     submission = Submission.find(params['submission_id'])
 
     attempt = params['attempt'].to_i
-    url = Accounts.load_webhook_url(submission.account)
+
+    config = Accounts.load_webhook_config(submission.account)
+    url = config&.value.presence
 
     return if url.blank?
 
@@ -28,6 +30,8 @@ class SendSubmissionArchivedWebhookRequestJob
                      timestamp: Time.current,
                      data: submission.as_json(only: %i[id archived_at])
                    }.to_json,
+                   **EncryptedConfig.find_or_initialize_by(account_id: config.account_id,
+                                                           key: EncryptedConfig::WEBHOOK_SECRET_KEY)&.value.to_h,
                    'Content-Type' => 'application/json',
                    'User-Agent' => USER_AGENT)
     rescue Faraday::Error
diff --git a/app/jobs/send_submission_created_webhook_request_job.rb b/app/jobs/send_submission_created_webhook_request_job.rb
index e5ec7070..aeb3f18f 100644
--- a/app/jobs/send_submission_created_webhook_request_job.rb
+++ b/app/jobs/send_submission_created_webhook_request_job.rb
@@ -13,7 +13,9 @@ class SendSubmissionCreatedWebhookRequestJob
     submission = Submission.find(params['submission_id'])
 
     attempt = params['attempt'].to_i
-    url = Accounts.load_webhook_url(submission.account)
+
+    config = Accounts.load_webhook_config(submission.account)
+    url = config&.value.presence
 
     return if url.blank?
 
@@ -28,6 +30,8 @@ class SendSubmissionCreatedWebhookRequestJob
                      timestamp: Time.current,
                      data: Submissions::SerializeForApi.call(submission)
                    }.to_json,
+                   **EncryptedConfig.find_or_initialize_by(account_id: config.account_id,
+                                                           key: EncryptedConfig::WEBHOOK_SECRET_KEY)&.value.to_h,
                    'Content-Type' => 'application/json',
                    'User-Agent' => USER_AGENT)
     rescue Faraday::Error
diff --git a/app/jobs/send_template_created_webhook_request_job.rb b/app/jobs/send_template_created_webhook_request_job.rb
index ed643450..e2d7ac71 100644
--- a/app/jobs/send_template_created_webhook_request_job.rb
+++ b/app/jobs/send_template_created_webhook_request_job.rb
@@ -13,7 +13,9 @@ class SendTemplateCreatedWebhookRequestJob
     template = Template.find(params['template_id'])
 
     attempt = params['attempt'].to_i
-    url = Accounts.load_webhook_url(template.account)
+
+    config = Accounts.load_webhook_config(template.account)
+    url = config&.value.presence
 
     return if url.blank?
 
@@ -28,6 +30,8 @@ class SendTemplateCreatedWebhookRequestJob
                      timestamp: Time.current,
                      data: Templates::SerializeForApi.call(template)
                    }.to_json,
+                   **EncryptedConfig.find_or_initialize_by(account_id: config.account_id,
+                                                           key: EncryptedConfig::WEBHOOK_SECRET_KEY)&.value.to_h,
                    'Content-Type' => 'application/json',
                    'User-Agent' => USER_AGENT)
     rescue Faraday::Error
diff --git a/app/jobs/send_template_updated_webhook_request_job.rb b/app/jobs/send_template_updated_webhook_request_job.rb
index 638ba196..8d969eb5 100644
--- a/app/jobs/send_template_updated_webhook_request_job.rb
+++ b/app/jobs/send_template_updated_webhook_request_job.rb
@@ -13,7 +13,9 @@ class SendTemplateUpdatedWebhookRequestJob
     template = Template.find(params['template_id'])
 
     attempt = params['attempt'].to_i
-    url = Accounts.load_webhook_url(template.account)
+
+    config = Accounts.load_webhook_config(template.account)
+    url = config&.value.presence
 
     return if url.blank?
 
@@ -28,6 +30,8 @@ class SendTemplateUpdatedWebhookRequestJob
                      timestamp: Time.current,
                      data: Templates::SerializeForApi.call(template)
                    }.to_json,
+                   **EncryptedConfig.find_or_initialize_by(account_id: config.account_id,
+                                                           key: EncryptedConfig::WEBHOOK_SECRET_KEY)&.value.to_h,
                    'Content-Type' => 'application/json',
                    'User-Agent' => USER_AGENT)
     rescue Faraday::Error
diff --git a/app/models/encrypted_config.rb b/app/models/encrypted_config.rb
index f3c36441..5d2422af 100644
--- a/app/models/encrypted_config.rb
+++ b/app/models/encrypted_config.rb
@@ -27,7 +27,8 @@ class EncryptedConfig < ApplicationRecord
     ESIGN_CERTS_KEY = 'esign_certs',
     TIMESTAMP_SERVER_URL_KEY = 'timestamp_server_url',
     APP_URL_KEY = 'app_url',
-    WEBHOOK_URL_KEY = 'webhook_url'
+    WEBHOOK_URL_KEY = 'webhook_url',
+    WEBHOOK_SECRET_KEY = 'webhook_secret'
   ].freeze
 
   belongs_to :account
diff --git a/app/views/webhook_secret/index.html.erb b/app/views/webhook_secret/index.html.erb
new file mode 100644
index 00000000..5c7ad9ed
--- /dev/null
+++ b/app/views/webhook_secret/index.html.erb
@@ -0,0 +1,19 @@
+<%= render 'shared/turbo_modal', title: 'Webhook Secret' do %>
+  <%= form_for @encrypted_config, url: webhook_secret_index_path, method: :post, html: { class: 'space-y-4' }, data: { turbo_frame: :_top } do |f| %>
+    <div class="space-y-2">
+      <%= f.fields_for :value, Struct.new(:key, :value).new(*@encrypted_config.value.to_a.first) do |ff| %>
+        <div class="form-control">
+          <%= ff.label :key, class: 'label' %>
+          <%= ff.text_field :key, class: 'base-input', placeholder: 'X-Example-Header' %>
+        </div>
+        <div class="form-control">
+          <%= ff.label :value, class: 'label' %>
+          <%= ff.text_field :value, class: 'base-input' %>
+        </div>
+      <% end %>
+    </div>
+    <div class="form-control pt-2">
+      <%= f.button button_title, class: 'base-button' %>
+    </div>
+  <% end %>
+<% end %>
diff --git a/app/views/webhook_settings/show.html.erb b/app/views/webhook_settings/show.html.erb
index c9b1e3c1..b05dbe0c 100644
--- a/app/views/webhook_settings/show.html.erb
+++ b/app/views/webhook_settings/show.html.erb
@@ -9,9 +9,12 @@
       <div class="card-body p-6">
         <%= form_for @encrypted_config, url: settings_webhooks_path, method: :post, html: { autocomplete: 'off' } do |f| %>
           <%= f.label :value, 'Webhook URL', class: 'text-sm font-semibold' %>
-          <div class="flex flex-row flex-wrap space-y-2 md:space-y-0 md:flex-nowrap md:space-x-4 mt-2">
+          <div class="flex flex-row flex-wrap space-y-2 md:space-y-0 md:flex-nowrap md:space-x-2 mt-2">
             <%= f.url_field :value, class: 'input font-mono input-bordered w-full', placeholder: 'https://example.com/hook' %>
             <%= f.button button_title(title: 'Save', disabled_with: 'Saving'), class: 'base-button w-full md:w-32' %>
+            <a href="<%= webhook_secret_index_path %>" data-turbo-frame="modal" class="white-button w-full md:w-auto">
+              Add Secret
+            </a>
           </div>
         <% end %>
         <% preference = current_account.account_configs.find_by(key: AccountConfig::WEBHOOK_PREFERENCES_KEY)&.value || {} %>
diff --git a/config/routes.rb b/config/routes.rb
index 7874959f..2de99d5f 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -75,6 +75,7 @@ Rails.application.routes.draw do
   resources :submitters_autocomplete, only: %i[index]
   resources :template_folders_autocomplete, only: %i[index]
   resources :webhook_preferences, only: %i[create]
+  resources :webhook_secret, only: %i[index create]
   resource :templates_upload, only: %i[create]
   authenticated do
     resource :templates_upload, only: %i[show], path: 'new'