diff --git a/app/controllers/api/v1/owntracks/points_controller.rb b/app/controllers/api/v1/owntracks/points_controller.rb
index 6f97cfe9..9dc8cbe9 100644
--- a/app/controllers/api/v1/owntracks/points_controller.rb
+++ b/app/controllers/api/v1/owntracks/points_controller.rb
@@ -7,7 +7,9 @@ class Api::V1::Owntracks::PointsController < ApiController
   def create
     Owntracks::PointCreatingJob.perform_later(point_params, current_api_user.id)
 
-    render json: {}, status: :ok
+    family_locations = OwnTracks::FamilyLocationsFormatter.new(current_api_user).call
+
+    render json: family_locations, status: :ok
   end
 
   private
diff --git a/app/services/own_tracks/family_locations_formatter.rb b/app/services/own_tracks/family_locations_formatter.rb
new file mode 100644
index 00000000..f25aa955
--- /dev/null
+++ b/app/services/own_tracks/family_locations_formatter.rb
@@ -0,0 +1,51 @@
+# frozen_string_literal: true
+
+class OwnTracks::FamilyLocationsFormatter
+  attr_reader :user
+
+  def initialize(user)
+    @user = user
+  end
+
+  def call
+    return [] unless family_feature_enabled?
+    return [] unless user.in_family?
+
+    sharing_members = family_members_with_sharing_enabled
+    return [] unless sharing_members.any?
+
+    latest_points = sharing_members.map { |member| member.points.order(timestamp: :desc).first }.compact
+    latest_points.map { |point| build_owntracks_location(point) }.compact
+  end
+
+  private
+
+  def family_feature_enabled?
+    DawarichSettings.family_feature_enabled?
+  end
+
+  def family_members_with_sharing_enabled
+    user.family.members
+        .where.not(id: user.id)
+        .select(&:family_sharing_enabled?)
+  end
+
+  def build_owntracks_location(point)
+    location = {
+      _type: 'location',
+      lat: point.lat.to_f,
+      lon: point.lon.to_f,
+      tst: point.timestamp.to_i,
+      tid: point.user.email,
+      acc: point.accuracy,
+      alt: point.altitude,
+      batt: point.battery,
+      bs: OwnTracks::Params.battery_status_to_numeric(point.battery_status),
+      vel: OwnTracks::Params.velocity_to_kmh(point.velocity),
+      conn: OwnTracks::Params.connection_to_string(point.connection),
+    }
+
+    location
+  end
+end
+
diff --git a/app/services/own_tracks/params.rb b/app/services/own_tracks/params.rb
index 838af33a..7f5c2d1f 100644
--- a/app/services/own_tracks/params.rb
+++ b/app/services/own_tracks/params.rb
@@ -90,4 +90,37 @@ class OwnTracks::Params
   def valid_point?
     params[:lon].present? && params[:lat].present? && params[:tst].present?
   end
+
+  # Reverse conversion methods: from internal format to Owntracks format
+  class << self
+    def battery_status_to_numeric(battery_status)
+      case battery_status
+      when 'unknown' then 0
+      when 'unplugged' then 1
+      when 'charging' then 2
+      when 'full' then 3
+      else 0
+      end
+    end
+
+    def connection_to_string(connection)
+      case connection
+      when 'mobile' then 'm'
+      when 'wifi' then 'w'
+      when 'offline' then 'o'
+      else nil
+      end
+    end
+
+    def velocity_to_kmh(velocity)
+      return nil if velocity.blank?
+
+      # Try to parse as float
+      velocity_float = velocity.to_f
+      return nil if velocity_float.zero?
+
+      # Reference: https://owntracks.org/booklet/tech/json/
+      (velocity_float * 3.6).round.to_i
+    end
+  end
 end