diff --git a/app/controllers/api/base_controller.rb b/app/controllers/api/base_controller.rb
index 9e653b616f5..954cb7a78ab 100644
--- a/app/controllers/api/base_controller.rb
+++ b/app/controllers/api/base_controller.rb
@@ -2,7 +2,9 @@
 
 class API::BaseController < ApplicationController
   skip_before_action :require_active_user_login, raise: false
-  before_action :require_login_for_api
+  skip_before_action :verify_authenticity_token, if: -> { doorkeeper_token.present? }
+  before_action :doorkeeper_authorize!, if: -> { doorkeeper_token.present? }
+  before_action :require_login_for_api, unless: -> { doorkeeper_token.present? }
 
   private
 
diff --git a/app/controllers/api/comments_controller.rb b/app/controllers/api/comments_controller.rb
index c80a724cb3d..5b8a24e473d 100644
--- a/app/controllers/api/comments_controller.rb
+++ b/app/controllers/api/comments_controller.rb
@@ -3,8 +3,6 @@
 class API::CommentsController < API::BaseController
   before_action :set_my_comment, only: %i[update destroy]
   before_action :set_available_emojis, only: %i[index create]
-  skip_before_action :verify_authenticity_token, if: -> { doorkeeper_token.present? }
-  before_action :doorkeeper_authorize!, if: -> { doorkeeper_token.present? }
   before_action -> { doorkeeper_authorize! :write }, only: %i[create update destroy], if: -> { doorkeeper_token.present? }
 
   def index
diff --git a/app/controllers/api/reports_controller.rb b/app/controllers/api/reports_controller.rb
index e8908afdb38..6c9794d0ed2 100644
--- a/app/controllers/api/reports_controller.rb
+++ b/app/controllers/api/reports_controller.rb
@@ -13,4 +13,8 @@ def index
 
     @reports = @reports.includes(:checks).unchecked.not_wip
   end
+
+  def show
+    @report = Report.includes(:user, :practices, :checks, comments: :user).find(params[:id])
+  end
 end
diff --git a/app/controllers/api/trainee_progresses_controller.rb b/app/controllers/api/trainee_progresses_controller.rb
new file mode 100644
index 00000000000..39114c56be0
--- /dev/null
+++ b/app/controllers/api/trainee_progresses_controller.rb
@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+
+class API::TraineeProgressesController < API::BaseController
+  def index
+    @trainees = User.trainees
+                    .preload(:company, :course, :avatar_attachment, :active_practices,
+                             :reports, learnings: :practice)
+                    .order(:company_id, :created_at)
+    @trainees = @trainees.where(company_id: params[:company_id]) if params[:company_id].present?
+
+    @week_start = parse_week_start
+    @week_end = @week_start + 4.days # 月〜金
+  end
+
+  private
+
+  def parse_week_start
+    if params[:week_start].present?
+      Date.parse(params[:week_start])
+    else
+      Date.current.beginning_of_week
+    end
+  rescue ArgumentError
+    Date.current.beginning_of_week
+  end
+end
diff --git a/app/controllers/api/users_controller.rb b/app/controllers/api/users_controller.rb
index 8c57f60ad8c..452f409cbcf 100644
--- a/app/controllers/api/users_controller.rb
+++ b/app/controllers/api/users_controller.rb
@@ -2,9 +2,6 @@
 
 class API::UsersController < API::BaseController
   before_action :set_user, only: %i[show update]
-  before_action :require_login_for_api
-  before_action :require_login_for_api, except: :show
-  before_action :doorkeeper_authorize!, if: -> { doorkeeper_token.present? }, only: :show
   PAGER_NUMBER = 24
 
   def index
diff --git a/app/views/api/reports/_report.json.jbuilder b/app/views/api/reports/_report.json.jbuilder
index 8aac763affc..95a879d692a 100644
--- a/app/views/api/reports/_report.json.jbuilder
+++ b/app/views/api/reports/_report.json.jbuilder
@@ -1,5 +1,6 @@
 json.id report.id
 json.title report.title
+json.description report.description
 json.reportedOn l(report.reported_on)
 json.url report_url(report)
 json.editPath edit_report_path(report)
diff --git a/app/views/api/reports/show.json.jbuilder b/app/views/api/reports/show.json.jbuilder
new file mode 100644
index 00000000000..9a017757ca8
--- /dev/null
+++ b/app/views/api/reports/show.json.jbuilder
@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+
+json.partial! 'api/reports/report', report: @report
+json.partial! 'api/reports/checks', checks: @report.checks
+
+json.user do
+  json.partial! 'api/users/user', user: @report.user
+end
+
+json.practices @report.practices do |practice|
+  json.id practice.id
+  json.title practice.title
+end
+
+json.comments @report.comments.order(:created_at) do |comment|
+  json.id comment.id
+  json.description comment.description
+  json.createdAt comment.created_at
+  json.user do
+    json.partial! 'api/users/user', user: comment.user
+  end
+end
diff --git a/app/views/api/trainee_progresses/index.json.jbuilder b/app/views/api/trainee_progresses/index.json.jbuilder
new file mode 100644
index 00000000000..b9c84e70f8a
--- /dev/null
+++ b/app/views/api/trainee_progresses/index.json.jbuilder
@@ -0,0 +1,75 @@
+# frozen_string_literal: true
+
+json.weekStart @week_start
+json.weekEnd @week_end
+
+json.trainees @trainees do |trainee| # rubocop:disable Metrics/BlockLength
+  user_course_practice = UserCoursePractice.new(trainee)
+
+  # learningsを一度取得してフィルタリング
+  all_learnings = trainee.learnings.reject { |l| l.status == 'unstarted' }
+
+  week_learnings = all_learnings.select do |l|
+    l.updated_at >= @week_start.beginning_of_day &&
+      l.updated_at <= @week_end.end_of_day
+  end
+
+  current_learning = all_learnings
+                     .select { |l| l.status == 'started' }
+                     .max_by(&:updated_at)
+
+  # 対象週の平日に対応する日報
+  week_reports = trainee.reports
+                        .select { |r| r.reported_on >= @week_start && r.reported_on <= @week_end && !r.wip? }
+                        .sort_by(&:reported_on)
+
+  json.id trainee.id
+  json.loginName trainee.login_name
+  json.longName trainee.long_name
+  json.avatarUrl trainee.avatar_url
+
+  json.company do
+    if trainee.company.present?
+      json.id trainee.company.id
+      json.name trainee.company.name
+    end
+  end
+
+  json.course do
+    if trainee.course.present?
+      json.id trainee.course.id
+      json.title trainee.course.title
+    end
+  end
+
+  # 週次アクティビティ
+  json.weeklyActivity do
+    json.reportCount week_reports.size
+    json.weekdays 5
+    json.reportDates(week_reports.map { |r| r.reported_on.to_s })
+    json.practiceStatusChanges week_learnings.size
+    json.practiceChanges week_learnings do |learning|
+      json.practiceId learning.practice_id
+      json.practiceTitle learning.practice.title
+      json.status learning.status
+      json.updatedAt learning.updated_at
+    end
+  end
+
+  # 現在のプラクティス
+  json.currentPractice do
+    if current_learning
+      days_on_practice = (Date.current - current_learning.updated_at.to_date).to_i
+      json.id current_learning.practice_id
+      json.title current_learning.practice.title
+      json.daysOnPractice days_on_practice
+    end
+  end
+
+  # 全体進捗
+  json.overallProgress do
+    json.completedPracticesCount user_course_practice.completed_required_practices.size
+    json.requiredPracticesCount user_course_practice.required_practices.size
+    json.completedPercentage user_course_practice.completed_percentage.round(1)
+  end
+end
diff --git a/config/routes/api.rb b/config/routes/api.rb
index ab92d0700c2..6299fc7e170 100644
--- a/config/routes/api.rb
+++ b/config/routes/api.rb
@@ -43,13 +43,13 @@
       resource :position, only: %i(update), controller: "coding_tests/position"
     end
     resources :coding_test_submissions, only: %i(create)
-    resources :reports, only: %i(index)
     namespace "reports" do
       resources :unchecked, only: %i(index) do
         get 'counts', on: :collection
       end
       resources :recents, only: %i(index)
     end
+    resources :reports, only: %i(index show)
     resources :watches, only: %i(index create destroy)
     namespace 'watches' do
       resources :toggle, only: %i(index)
@@ -84,5 +84,6 @@
     resources :movies, only: %i(index update)
     resources :metadata, only: %i(index)
     resources :micro_reports, only: %i(update)
+    resources :trainee_progresses, only: %i(index)
   end
 end