diff --git a/ruby/lib/jam_ruby/models/rsvp_request.rb b/ruby/lib/jam_ruby/models/rsvp_request.rb
index 5edd6e5b6..e286192e1 100644
--- a/ruby/lib/jam_ruby/models/rsvp_request.rb
+++ b/ruby/lib/jam_ruby/models/rsvp_request.rb
@@ -7,8 +7,9 @@ module JamRuby
     
     validates :canceled, :inclusion => {:in => [nil, true, false]}
 
-    def self.index(session, user = nil)
+    def self.index(music_session, user = nil)
       query = RsvpRequest
+                .includes(:user)
                 .joins(
                   %Q{
                     INNER JOIN
@@ -22,11 +23,11 @@ module JamRuby
                 )
                 .where(
                   %Q{
-                    rs.music_session_id = '#{session.id}'
+                    rs.music_session_id = '#{music_session.id}'
                   }
                 )
 
-      query = query.where("rsvp_requests.user_id = '?'", user.id) unless user.nil?
+      query = query.where("rsvp_requests.user_id = ?", user.id) unless user.nil?
       return query.uniq
     end
 
@@ -39,7 +40,7 @@ module JamRuby
       end
 
       # verify invitation exists for this user and session
-      invitation = Invitation.where("music_session_id = '?' AND receiver_id = '?'", music_session.id, user.id)
+      invitation = Invitation.where("music_session_id = ? AND receiver_id = ?", music_session.id, user.id)
 
       if invitation.blank?
         raise PermissionError, "Only a session invitee can create an RSVP." 
@@ -142,7 +143,7 @@ module JamRuby
       RsvpRequest.transaction do
 
         # mark corresponding slot's chosen field as false
-        rsvp_request_slots = RsvpRequestRsvpSlot.find("rsvp_request_id = '?'", rsvp_request.id)
+        rsvp_request_slots = RsvpRequestRsvpSlot.find("rsvp_request_id = ?", rsvp_request.id)
 
         rsvp_request_slots.each do |slot|
           if slot.chosen
diff --git a/ruby/lib/jam_ruby/models/rsvp_slot.rb b/ruby/lib/jam_ruby/models/rsvp_slot.rb
index 4ed11bf99..412aa5f33 100644
--- a/ruby/lib/jam_ruby/models/rsvp_slot.rb
+++ b/ruby/lib/jam_ruby/models/rsvp_slot.rb
@@ -6,10 +6,17 @@ module JamRuby
     has_many :rsvp_requests_rsvp_slots, :class_name => "JamRuby::RsvpRequestRsvpSlot", :foreign_key => "rsvp_slot_id"
     has_many :rsvp_requests, :class_name => "JamRuby::RsvpRequest", :through => :rsvp_requests_rsvp_slots
 
+    attr_accessor :chosen
+
     # TODO: validates :proficiency_level
 
-    def is_chosen
-      RsvpRequestRsvpSlot.exists?("chosen = true AND rsvp_slot_id = '?'", self.id)
+    def self.index(music_session)
+      RsvpSlot.where("music_session_id = ?", music_session.id)
+    end
+
+    def chosen
+      chosen_slots = RsvpRequestRsvpSlot.where("chosen = true AND rsvp_slot_id = ?", self.id)
+      !chosen_slots.blank?
     end
   end
 end
diff --git a/web/app/controllers/api_rsvp_requests_controller.rb b/web/app/controllers/api_rsvp_requests_controller.rb
index 1d5210e40..1787d97ef 100644
--- a/web/app/controllers/api_rsvp_requests_controller.rb
+++ b/web/app/controllers/api_rsvp_requests_controller.rb
@@ -5,8 +5,10 @@ class ApiRsvpRequestsController < ApiController
   respond_to :json
 
   def index
+
     if params[:session_id].blank?
       render :json => {:message => "Session ID is required"}, :status => 400
+
     else
       music_session = MusicSession.find(params[:session_id])
 
@@ -22,6 +24,7 @@ class ApiRsvpRequestsController < ApiController
       respond_with @rsvp_requests, responder: ApiResponder, :status => 200
 
     end
+    
   end
 
   def create
diff --git a/web/app/controllers/api_rsvp_slots_controller.rb b/web/app/controllers/api_rsvp_slots_controller.rb
new file mode 100644
index 000000000..38771aa48
--- /dev/null
+++ b/web/app/controllers/api_rsvp_slots_controller.rb
@@ -0,0 +1,32 @@
+class ApiRsvpSlotsController < ApiController
+
+  # before_filter :auth_user
+
+  respond_to :json
+
+  def index
+
+    if params[:session_id].blank?
+      render :json => {:message => "Session ID is required"}, :status => 400
+
+    else
+      music_session = MusicSession.find(params[:session_id])
+
+      # retrieve all slots for this session
+      @rsvp_slots = RsvpSlot.index(music_session)
+
+      respond_with @rsvp_slots, responder: ApiResponder, :status => 200
+
+    end
+
+  end
+
+  # def create
+  #   if params[:id].blank? || params[:session_id].blank?
+  #     render :json => {:message => "Session ID is required."}, :status => 400
+  #   else
+  #     @rsvp = RsvpRequest.create(params, current_user)
+  #     respond_with @rsvp, responder: ApiResponder, :status => 201
+  #   end
+  # end
+end
\ No newline at end of file
diff --git a/web/app/views/api_rsvp_requests/show.rabl b/web/app/views/api_rsvp_requests/show.rabl
index 095c52326..0f113d7f7 100644
--- a/web/app/views/api_rsvp_requests/show.rabl
+++ b/web/app/views/api_rsvp_requests/show.rabl
@@ -1,9 +1,9 @@
 object @rsvp_request
 
-attributes :id, :user_id, :canceled, :created_at
+attributes :id, :canceled, :created_at
 
 child(:user => :user) {
-  attributes :name, :photo_url
+  attributes :id, :name, :photo_url
 }
 
 child(:rsvp_slots => :rsvp_slots) {
diff --git a/web/app/views/api_rsvp_slots/index.rabl b/web/app/views/api_rsvp_slots/index.rabl
new file mode 100644
index 000000000..4aa1bf8ce
--- /dev/null
+++ b/web/app/views/api_rsvp_slots/index.rabl
@@ -0,0 +1,3 @@
+object @rsvp_slots
+
+extends "api_rsvp_slots/show"
diff --git a/web/app/views/api_rsvp_slots/show.rabl b/web/app/views/api_rsvp_slots/show.rabl
new file mode 100644
index 000000000..d58571f7c
--- /dev/null
+++ b/web/app/views/api_rsvp_slots/show.rabl
@@ -0,0 +1,19 @@
+object @rsvp_slot
+
+attributes :id, :instrument_id, :proficiency_level, :chosen
+
+child(:music_session => :music_session) {
+  attributes :id, :description, :scheduled_start, :recurring_mode
+}
+
+child(:rsvp_requests => :rsvp_requests) {
+  attributes :id, :canceled
+
+  child(:user => :user) {
+    attributes :id, :name, :photo_url
+  }
+}
+
+child(:rsvp_requests_rsvp_slots => :rsvp_requests_rsvp_slots) {
+  attributes :id, :chosen
+}
\ No newline at end of file
diff --git a/web/config/routes.rb b/web/config/routes.rb
index 969f82b94..9745cca90 100644
--- a/web/config/routes.rb
+++ b/web/config/routes.rb
@@ -173,6 +173,10 @@ SampleApp::Application.routes.draw do
     match '/rsvp_requests/:id' => 'api_rsvp_requests#show', :via => :get, :as => 'api_rsvp_request_detail'
     match '/rsvp_requests/:id' => 'api_rsvp_requests#destroy', :via => :delete
 
+    # RSVP slots
+    match '/rsvp_slots' => 'api_rsvp_slots#index', :via => :get
+    match '/rsvp_slots/:id' => 'api_rsvp_slots#show', :via => :get, :as => 'api_rsvp_slot_detail'
+
     # music session playback recording state
     match '/sessions/:id/claimed_recording/:claimed_recording_id/start' => 'api_music_sessions#claimed_recording_start', :via => :post
     match '/sessions/:id/claimed_recording/:claimed_recording_id/stop' => 'api_music_sessions#claimed_recording_stop', :via => :post