diff --git a/app/controllers/api/children_controller.rb b/app/controllers/api/children_controller.rb
index 55b2437e6..f42c13728 100644
--- a/app/controllers/api/children_controller.rb
+++ b/app/controllers/api/children_controller.rb
@@ -20,7 +20,7 @@ class API::ChildrenController < API::APIController
   def create
     @child = Child.new(child_params)
     authorize @child
-    if @child.save
+    if ChildService.create(@child)
       render status: :created
     else
       render json: @child.errors.full_messages, status: :unprocessable_entity
diff --git a/app/services/child_service.rb b/app/services/child_service.rb
new file mode 100644
index 000000000..de4aea235
--- /dev/null
+++ b/app/services/child_service.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+# ChildService
+class ChildService
+  def self.create(child)
+    if child.save
+      NotificationCenter.call type: 'notify_admin_child_created',
+                              receiver: User.admins_and_managers,
+                              attached_object: child
+      return true
+    end
+    false
+  end
+
+  def self.update(child, child_params)
+    child.update(child_params)
+  end
+end
diff --git a/app/views/api/children/_child.json.jbuilder b/app/views/api/children/_child.json.jbuilder
index 029921ecf..0765d67ad 100644
--- a/app/views/api/children/_child.json.jbuilder
+++ b/app/views/api/children/_child.json.jbuilder
@@ -6,7 +6,7 @@ json.supporting_document_files_attributes child.supporting_document_files do |f|
   json.supportable_id f.supportable_id
   json.supportable_type f.supportable_type
   json.supporting_document_type_id f.supporting_document_type_id
-  json.attachment f.attachment.file.filename
+  json.attachment f.attachment.file&.filename
   json.attachment_name f.attachment_identifier
-  json.attachment_url "/api/supporting_document_files/#{f.id}/download"
+  json.attachment_url f.attachment_identifier ? "/api/supporting_document_files/#{f.id}/download" : nil
 end
diff --git a/app/views/api/notifications/_notify_admin_child_created.json.jbuilder b/app/views/api/notifications/_notify_admin_child_created.json.jbuilder
new file mode 100644
index 000000000..d65f42b8e
--- /dev/null
+++ b/app/views/api/notifications/_notify_admin_child_created.json.jbuilder
@@ -0,0 +1,4 @@
+json.title notification.notification_type
+json.description t('.a_new_child_has_been_created_NAME_html',
+                   NAME: notification.attached_object&.full_name || t('api.notifications.deleted_user'))
+
diff --git a/app/views/notifications_mailer/notify_admin_child_created.html.erb b/app/views/notifications_mailer/notify_admin_child_created.html.erb
new file mode 100644
index 000000000..77225fef8
--- /dev/null
+++ b/app/views/notifications_mailer/notify_admin_child_created.html.erb
@@ -0,0 +1,6 @@
+<%= render 'notifications_mailer/shared/hello', recipient: @recipient %>
+
+<p>
+  <%= t('.body.new_child_created') %>
+  "<%= @attached_object&.full_name || t('api.notifications.deleted_user') %> &lt;<%= @attached_object.email%>&gt;"
+</p>
diff --git a/config/locales/app.logged.en.yml b/config/locales/app.logged.en.yml
index 325bce3a2..69afbfbd7 100644
--- a/config/locales/app.logged.en.yml
+++ b/config/locales/app.logged.en.yml
@@ -284,6 +284,7 @@ en:
         app_management: "Concerning app management notifications"
       notification_form:
         notify_admin_when_user_is_created: "A user account has been created"
+        notify_admin_child_created: "A child has been created"
         notify_admin_when_user_is_imported: "A user account has been imported"
         notify_admin_profile_complete: "An imported account has completed its profile"
         notify_admin_user_merged: "An imported account has been merged with an existing account"
diff --git a/config/locales/app.logged.fr.yml b/config/locales/app.logged.fr.yml
index 1e3a76683..0dc9c03f0 100644
--- a/config/locales/app.logged.fr.yml
+++ b/config/locales/app.logged.fr.yml
@@ -284,6 +284,7 @@ fr:
         app_management: "Au sujet de la gestion de l'application"
       notification_form:
         notify_admin_when_user_is_created: "Un compte utilisateur a été créé"
+        notify_admin_child_created: "Un compte enfant a été créé"
         notify_admin_when_user_is_imported: "Un compte utilisateur a été importé"
         notify_admin_profile_complete: "Un compte importé a complété ses informations"
         notify_admin_user_merged: "Un compte importé a été fusionné avec un compte existant"
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 4106c6df1..4a588df09 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -314,6 +314,8 @@ en:
         project_NAME_has_been_published_html: "Project <a href='/#!/projects/%{ID}'><strong><em>%{NAME}<em></strong></a> has been published."
       notify_admin_when_user_is_created:
         a_new_user_account_has_been_created_NAME_EMAIL_html: "A new user account has been created: <strong><em>%{NAME} &lt;%{EMAIL}&gt;</strong></em>."
+      notify_admin_child_created:
+        a_new_child_has_been_created_NAME_html: "A new child has been created: <strong><em>%{NAME}</em></strong>."
       notify_admin_when_user_is_imported:
         a_new_user_account_has_been_imported_from_PROVIDER_UID_html: "A new user account has been imported from: <strong><em>%{PROVIDER}</strong> (%{UID})</em>."
       notify_member_create_reservation:
diff --git a/config/locales/fr.yml b/config/locales/fr.yml
index c85575406..8effd40d2 100644
--- a/config/locales/fr.yml
+++ b/config/locales/fr.yml
@@ -314,6 +314,8 @@ fr:
         project_NAME_has_been_published_html: "Le projet <a href='/#!/projects/%{ID}'><strong><em>%{NAME}<em></strong></a> vient d'être publié."
       notify_admin_when_user_is_created:
         a_new_user_account_has_been_created_NAME_EMAIL_html: "Un nouveau compte utilisateur vient d'être créé : <strong><em>%{NAME} &lt;%{EMAIL}&gt;</strong></em>."
+      notify_admin_child_created:
+        a_new_child_has_been_created_NAME_html: "Un nouveau enfant vient d'être créé : <strong><em>%{NAME}</em></strong>."
       notify_admin_when_user_is_imported:
         a_new_user_account_has_been_imported_from_PROVIDER_UID_html: "Un nouveau compte utilisateur vient d'être importé depuis : <strong><em>%{PROVIDER}</strong> (%{UID})</em>."
       notify_member_create_reservation:
diff --git a/config/locales/mails.en.yml b/config/locales/mails.en.yml
index 3b3ac8981..3c759b770 100644
--- a/config/locales/mails.en.yml
+++ b/config/locales/mails.en.yml
@@ -104,6 +104,10 @@ en:
         new_account_created: "A new user account has been created on the website:"
         user_of_group_html: "The user has registered in the group <strong>%{GROUP}</strong>"
         account_for_organization: "This account manage an organization:"
+    notify_admin_child_created:
+      subject: "A user's child has been created"
+      body:
+        new_child_created: "A new user's child has been created on the website"
     notify_admin_subscribed_plan:
       subject: "A subscription has been purchased"
       body:
diff --git a/config/locales/mails.fr.yml b/config/locales/mails.fr.yml
index 23b94146d..f3607bb3a 100644
--- a/config/locales/mails.fr.yml
+++ b/config/locales/mails.fr.yml
@@ -104,6 +104,10 @@ fr:
         new_account_created: "Un nouveau compte utilisateur vient d'être créé sur la plateforme :"
         user_of_group_html: "L'utilisateur s'est inscrit dans le groupe <strong>%{GROUP}</strong>"
         account_for_organization: "Ce compte gère une structure :"
+    notify_admin_child_created:
+      subject: "Un enfant a été créé"
+      body:
+        new_child_created: "Un nouveau enfant vient d'être créé sur la plateforme"
     notify_admin_subscribed_plan:
       subject: "Un abonnement a été souscrit"
       body:
diff --git a/db/seeds/notification_types.rb b/db/seeds/notification_types.rb
index d73b0be90..3c8240ae2 100644
--- a/db/seeds/notification_types.rb
+++ b/db/seeds/notification_types.rb
@@ -47,3 +47,11 @@ unless NotificationType.find_by(name: 'notify_user_child_supporting_document_ref
     is_configurable: false
   )
 end
+
+unless NotificationType.find_by(name: 'notify_admin_child_created')
+  NotificationType.create!(
+    name: 'notify_admin_child_created',
+    category: 'users_accounts',
+    is_configurable: true
+  )
+end