diff --git a/app/controllers/api/summary_controller.rb b/app/controllers/api/summary_controller.rb
new file mode 100644
index 0000000..9dfa7f5
--- /dev/null
+++ b/app/controllers/api/summary_controller.rb
@@ -0,0 +1,157 @@
+module Api
+  class SummaryController < ApplicationController
+    skip_before_action :verify_authenticity_token
+
+    def index
+      # Parse interval or date range
+      date_range = determine_date_range(params[:interval], params[:range], params[:from], params[:to])
+      return render json: { error: "Invalid date range" }, status: :bad_request unless date_range
+
+      # Create parameters for WakatimeService
+      start_date = date_range.begin.to_i
+      end_date = date_range.end.to_i
+
+      # Get user if specified
+      user = User.find_by(slack_uid: params[:user]) if params[:user].present?
+
+      # Determine which summary elements we want
+      specific_filters = [ :projects, :languages, :editors, :operating_systems, :machines, :categories, :branches, :entities ]
+
+      # Create service instance with filters applied
+      service = WakatimeService.new(
+        user: user,
+        specific_filters: specific_filters,
+        allow_cache: true,
+        limit: nil, # No limit for summary data
+        start_date: start_date,
+        end_date: end_date
+      )
+
+      # Get the summary data from WakatimeService
+      wakatime_summary = service.generate_summary
+
+      # Format for API response
+      summary = {
+        from: date_range.begin.strftime("%Y-%m-%d %H:%M:%S.000"),
+        to: date_range.end.strftime("%Y-%m-%d %H:%M:%S.000"),
+        projects: wakatime_summary[:projects] || [],
+        languages: wakatime_summary[:languages] || [],
+        editors: wakatime_summary[:editors] || [],
+        operating_systems: wakatime_summary[:operating_systems] || [],
+        machines: wakatime_summary[:machines] || [],
+        categories: wakatime_summary[:categories] || [],
+        branches: wakatime_summary[:branches] || [],
+        entities: wakatime_summary[:entities] || [],
+        labels: wakatime_summary[:labels] || []
+      }
+
+      render json: summary
+    end
+
+    private
+
+    def determine_date_range(interval, range, from_date, to_date)
+      timezone = "UTC"
+      Time.use_zone(timezone) do
+        now = Time.current
+
+        if from_date.present? && to_date.present?
+          begin
+            from = Time.zone.parse(from_date).beginning_of_day
+            to = Time.zone.parse(to_date).end_of_day
+            return from..to
+          rescue
+            return nil
+          end
+        end
+
+        interval ||= range # Allow range parameter as an alias for interval
+
+        case interval
+        when "today"
+          now.beginning_of_day..now.end_of_day
+        when "yesterday"
+          (now - 1.day).beginning_of_day..(now - 1.day).end_of_day
+        when "week", "7_days"
+          now.beginning_of_week..now.end_of_week
+        when "last_7_days"
+          (now - 7.days).beginning_of_day..now.end_of_day
+        when "month", "30_days"
+          now.beginning_of_month..now.end_of_month
+        when "last_30_days"
+          (now - 30.days).beginning_of_day..now.end_of_day
+        when "6_months"
+          now.beginning_of_month - 5.months..now.end_of_month
+        when "last_6_months"
+          (now - 6.months).beginning_of_day..now.end_of_day
+        when "year", "12_months"
+          now.beginning_of_year..now.end_of_year
+        when "last_12_months", "last_year"
+          (now - 1.year).beginning_of_day..now.end_of_day
+        when "any", "all_time", nil
+          Time.at(0)..now.end_of_day
+        else
+          now.beginning_of_day..now.end_of_day # Default to today
+        end
+      end
+    end
+
+    def filter_heartbeats(heartbeats, params)
+      heartbeats = heartbeats.where(project: params[:project]) if params[:project].present?
+      heartbeats = heartbeats.where(language: params[:language]) if params[:language].present?
+      heartbeats = heartbeats.where(editor: params[:editor]) if params[:editor].present?
+      heartbeats = heartbeats.where(operating_system: params[:operating_system]) if params[:operating_system].present?
+      heartbeats = heartbeats.where(machine: params[:machine]) if params[:machine].present?
+
+      if params[:user].present?
+        user = User.find_by(slack_uid: params[:user])
+        heartbeats = heartbeats.where(user_id: user.id) if user
+      end
+
+      heartbeats
+    end
+
+    def calculate_summary(heartbeats, date_range)
+      projects = {}
+      languages = {}
+      editors = {}
+      operating_systems = {}
+      machines = {}
+      categories = {}
+      branches = {}
+      entities = {}
+      labels = {}
+
+
+      # Format summary items
+      {
+        from: date_range.begin.strftime("%Y-%m-%d %H:%M:%S.000"),
+        to: date_range.end.strftime("%Y-%m-%d %H:%M:%S.000"),
+        projects: format_summary_items(projects),
+        languages: format_summary_items(languages),
+        editors: format_summary_items(editors),
+        operating_systems: format_summary_items(operating_systems),
+        machines: format_summary_items(machines),
+        categories: format_summary_items(categories),
+        branches: format_summary_items(branches),
+        entities: format_summary_items(entities),
+        labels: format_summary_items(labels)
+      }
+    end
+
+    def format_summary_items(items_hash)
+      items_hash.map do |key, total_seconds|
+        next if key.blank?
+        {
+          key: key,
+          total_seconds: total_seconds,
+          total: total_seconds,
+          text: ApplicationController.helpers.short_time_simple(total_seconds),
+          hours: total_seconds / 3600,
+          minutes: (total_seconds % 3600) / 60,
+          digital: ApplicationController.helpers.digital_time(total_seconds)
+        }
+      end.compact
+    end
+  end
+end
diff --git a/config/routes.rb b/config/routes.rb
index bd08d67..55f24a7 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -98,6 +98,9 @@ Rails.application.routes.draw do
       end
     end
 
+    # wakatime compatible summary
+    get "summary", to: "summary#index"
+
     # Everything in this namespace conforms to wakatime.com's API.
     namespace :hackatime do
       namespace :v1 do
diff --git a/db/primary_direct_schema.rb b/db/primary_direct_schema.rb
new file mode 100644
index 0000000..50efc5b
--- /dev/null
+++ b/db/primary_direct_schema.rb
@@ -0,0 +1,276 @@
+# This file is auto-generated from the current state of the database. Instead
+# of editing this file, please use the migrations feature of Active Record to
+# incrementally modify your database, and then regenerate this schema definition.
+#
+# This file is the source Rails uses to define your schema when running `bin/rails
+# db:schema:load`. When creating a new database, `bin/rails db:schema:load` tends to
+# be faster and is potentially less error prone than running all of your
+# migrations from scratch. Old migrations may fail to apply correctly if those
+# migrations use external dependencies or application code.
+#
+# It's strongly recommended that you check this file into your version control system.
+
+ActiveRecord::Schema[8.0].define(version: 2025_04_25_211619) do
+  # These are extensions that must be enabled in order to support this database
+  enable_extension "pg_catalog.plpgsql"
+
+  create_table "api_keys", force: :cascade do |t|
+    t.bigint "user_id", null: false
+    t.text "name", null: false
+    t.text "token", null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["token"], name: "index_api_keys_on_token", unique: true
+    t.index ["user_id", "name"], name: "index_api_keys_on_user_id_and_name", unique: true
+    t.index ["user_id", "token"], name: "index_api_keys_on_user_id_and_token", unique: true
+    t.index ["user_id"], name: "index_api_keys_on_user_id"
+  end
+
+  create_table "email_addresses", force: :cascade do |t|
+    t.string "email"
+    t.bigint "user_id", null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["email"], name: "index_email_addresses_on_email", unique: true
+    t.index ["user_id"], name: "index_email_addresses_on_user_id"
+  end
+
+  create_table "good_job_batches", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.text "description"
+    t.jsonb "serialized_properties"
+    t.text "on_finish"
+    t.text "on_success"
+    t.text "on_discard"
+    t.text "callback_queue_name"
+    t.integer "callback_priority"
+    t.datetime "enqueued_at"
+    t.datetime "discarded_at"
+    t.datetime "finished_at"
+    t.datetime "jobs_finished_at"
+  end
+
+  create_table "good_job_executions", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.uuid "active_job_id", null: false
+    t.text "job_class"
+    t.text "queue_name"
+    t.jsonb "serialized_params"
+    t.datetime "scheduled_at"
+    t.datetime "finished_at"
+    t.text "error"
+    t.integer "error_event", limit: 2
+    t.text "error_backtrace", array: true
+    t.uuid "process_id"
+    t.interval "duration"
+    t.index ["active_job_id", "created_at"], name: "index_good_job_executions_on_active_job_id_and_created_at"
+    t.index ["process_id", "created_at"], name: "index_good_job_executions_on_process_id_and_created_at"
+  end
+
+  create_table "good_job_processes", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.jsonb "state"
+    t.integer "lock_type", limit: 2
+  end
+
+  create_table "good_job_settings", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.text "key"
+    t.jsonb "value"
+    t.index ["key"], name: "index_good_job_settings_on_key", unique: true
+  end
+
+  create_table "good_jobs", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+    t.text "queue_name"
+    t.integer "priority"
+    t.jsonb "serialized_params"
+    t.datetime "scheduled_at"
+    t.datetime "performed_at"
+    t.datetime "finished_at"
+    t.text "error"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.uuid "active_job_id"
+    t.text "concurrency_key"
+    t.text "cron_key"
+    t.uuid "retried_good_job_id"
+    t.datetime "cron_at"
+    t.uuid "batch_id"
+    t.uuid "batch_callback_id"
+    t.boolean "is_discrete"
+    t.integer "executions_count"
+    t.text "job_class"
+    t.integer "error_event", limit: 2
+    t.text "labels", array: true
+    t.uuid "locked_by_id"
+    t.datetime "locked_at"
+    t.index ["active_job_id", "created_at"], name: "index_good_jobs_on_active_job_id_and_created_at"
+    t.index ["batch_callback_id"], name: "index_good_jobs_on_batch_callback_id", where: "(batch_callback_id IS NOT NULL)"
+    t.index ["batch_id"], name: "index_good_jobs_on_batch_id", where: "(batch_id IS NOT NULL)"
+    t.index ["concurrency_key"], name: "index_good_jobs_on_concurrency_key_when_unfinished", where: "(finished_at IS NULL)"
+    t.index ["cron_key", "created_at"], name: "index_good_jobs_on_cron_key_and_created_at_cond", where: "(cron_key IS NOT NULL)"
+    t.index ["cron_key", "cron_at"], name: "index_good_jobs_on_cron_key_and_cron_at_cond", unique: true, where: "(cron_key IS NOT NULL)"
+    t.index ["finished_at"], name: "index_good_jobs_jobs_on_finished_at", where: "((retried_good_job_id IS NULL) AND (finished_at IS NOT NULL))"
+    t.index ["labels"], name: "index_good_jobs_on_labels", where: "(labels IS NOT NULL)", using: :gin
+    t.index ["locked_by_id"], name: "index_good_jobs_on_locked_by_id", where: "(locked_by_id IS NOT NULL)"
+    t.index ["priority", "created_at"], name: "index_good_job_jobs_for_candidate_lookup", where: "(finished_at IS NULL)"
+    t.index ["priority", "created_at"], name: "index_good_jobs_jobs_on_priority_created_at_when_unfinished", order: { priority: "DESC NULLS LAST" }, where: "(finished_at IS NULL)"
+    t.index ["priority", "scheduled_at"], name: "index_good_jobs_on_priority_scheduled_at_unfinished_unlocked", where: "((finished_at IS NULL) AND (locked_by_id IS NULL))"
+    t.index ["queue_name", "scheduled_at"], name: "index_good_jobs_on_queue_name_and_scheduled_at", where: "(finished_at IS NULL)"
+    t.index ["scheduled_at"], name: "index_good_jobs_on_scheduled_at", where: "(finished_at IS NULL)"
+  end
+
+  create_table "heartbeats", force: :cascade do |t|
+    t.bigint "user_id", null: false
+    t.string "branch"
+    t.string "category"
+    t.string "dependencies", default: [], array: true
+    t.string "editor"
+    t.string "entity"
+    t.string "language"
+    t.string "machine"
+    t.string "operating_system"
+    t.string "project"
+    t.string "type"
+    t.string "user_agent"
+    t.integer "line_additions"
+    t.integer "line_deletions"
+    t.integer "lineno"
+    t.integer "lines"
+    t.integer "cursorpos"
+    t.integer "project_root_count"
+    t.float "time", null: false
+    t.boolean "is_write"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.text "fields_hash"
+    t.integer "source_type", null: false
+    t.inet "ip_address"
+    t.integer "ysws_program", default: 0, null: false
+    t.index ["category", "time"], name: "index_heartbeats_on_category_and_time"
+    t.index ["fields_hash"], name: "index_heartbeats_on_fields_hash", unique: true
+    t.index ["user_id"], name: "index_heartbeats_on_user_id"
+  end
+
+  create_table "leaderboard_entries", force: :cascade do |t|
+    t.bigint "leaderboard_id", null: false
+    t.integer "total_seconds", default: 0, null: false
+    t.integer "rank"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.bigint "user_id", null: false
+    t.integer "streak_count", default: 0
+    t.index ["leaderboard_id", "user_id"], name: "idx_leaderboard_entries_on_leaderboard_and_user", unique: true
+    t.index ["leaderboard_id"], name: "index_leaderboard_entries_on_leaderboard_id"
+  end
+
+  create_table "leaderboards", force: :cascade do |t|
+    t.date "start_date", null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.datetime "finished_generating_at"
+    t.datetime "deleted_at"
+    t.integer "period_type", default: 0, null: false
+  end
+
+  create_table "project_repo_mappings", force: :cascade do |t|
+    t.bigint "user_id", null: false
+    t.string "project_name", null: false
+    t.string "repo_url", null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["user_id", "project_name"], name: "index_project_repo_mappings_on_user_id_and_project_name", unique: true
+    t.index ["user_id"], name: "index_project_repo_mappings_on_user_id"
+  end
+
+  create_table "sailors_log_leaderboards", force: :cascade do |t|
+    t.string "slack_channel_id"
+    t.string "slack_uid"
+    t.text "message"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.datetime "deleted_at"
+  end
+
+  create_table "sailors_log_notification_preferences", force: :cascade do |t|
+    t.string "slack_uid", null: false
+    t.string "slack_channel_id", null: false
+    t.boolean "enabled", default: true, null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["slack_uid", "slack_channel_id"], name: "idx_sailors_log_notification_preferences_unique_user_channel", unique: true
+  end
+
+  create_table "sailors_log_slack_notifications", force: :cascade do |t|
+    t.string "slack_uid", null: false
+    t.string "slack_channel_id", null: false
+    t.string "project_name", null: false
+    t.integer "project_duration", null: false
+    t.boolean "sent", default: false, null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+  end
+
+  create_table "sailors_logs", force: :cascade do |t|
+    t.string "slack_uid", null: false
+    t.jsonb "projects_summary", default: {}, null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+  end
+
+  create_table "sign_in_tokens", force: :cascade do |t|
+    t.string "token"
+    t.bigint "user_id", null: false
+    t.integer "auth_type"
+    t.datetime "expires_at"
+    t.datetime "used_at"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["token"], name: "index_sign_in_tokens_on_token"
+    t.index ["user_id"], name: "index_sign_in_tokens_on_user_id"
+  end
+
+  create_table "users", force: :cascade do |t|
+    t.string "slack_uid"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.string "username"
+    t.string "slack_avatar_url"
+    t.boolean "is_admin", default: false, null: false
+    t.boolean "uses_slack_status", default: false, null: false
+    t.string "slack_scopes", default: [], array: true
+    t.text "slack_access_token"
+    t.integer "hackatime_extension_text_type", default: 0, null: false
+    t.string "timezone", default: "UTC"
+    t.string "github_uid"
+    t.string "github_avatar_url"
+    t.text "github_access_token"
+    t.string "github_username"
+    t.string "slack_username"
+    t.index ["slack_uid"], name: "index_users_on_slack_uid", unique: true
+    t.index ["timezone"], name: "index_users_on_timezone"
+  end
+
+  create_table "versions", force: :cascade do |t|
+    t.string "whodunnit"
+    t.datetime "created_at"
+    t.bigint "item_id", null: false
+    t.string "item_type", null: false
+    t.string "event", null: false
+    t.text "object"
+    t.text "object_changes"
+    t.index ["item_type", "item_id"], name: "index_versions_on_item_type_and_item_id"
+  end
+
+  add_foreign_key "api_keys", "users"
+  add_foreign_key "email_addresses", "users"
+  add_foreign_key "heartbeats", "users"
+  add_foreign_key "leaderboard_entries", "leaderboards"
+  add_foreign_key "leaderboard_entries", "users"
+  add_foreign_key "project_repo_mappings", "users"
+  add_foreign_key "sign_in_tokens", "users"
+end