diff --git a/app/serializers/dossier_serializer.rb b/app/serializers/dossier_serializer.rb
index 41336c6cf..207225ad5 100644
--- a/app/serializers/dossier_serializer.rb
+++ b/app/serializers/dossier_serializer.rb
@@ -5,7 +5,10 @@ class DossierSerializer < ActiveModel::Serializer
              :archived,
              :mandataire_social,
              :state,
-             :simplified_state
+             :simplified_state,
+             :initiated_at,
+             :received_at,
+             :processed_at
 
   has_one :entreprise
   has_one :etablissement
diff --git a/doc/apipie_examples.json b/doc/apipie_examples.json
index 285fa49e3..839b58095 100644
--- a/doc/apipie_examples.json
+++ b/doc/apipie_examples.json
@@ -47,6 +47,9 @@
           "mandataire_social": false,
           "state": "updated",
           "simplified_state": "En construction",
+          "initiated_at": "2017-04-11T12:00:12.000Z",
+          "received_at": null,
+          "processed_at": null,
           "entreprise": {
             "siren": "440117620",
             "capital_social": 537100000,
diff --git a/spec/controllers/api/v1/dossiers_controller_spec.rb b/spec/controllers/api/v1/dossiers_controller_spec.rb
index 67a4688f5..e1d2dcc6d 100644
--- a/spec/controllers/api/v1/dossiers_controller_spec.rb
+++ b/spec/controllers/api/v1/dossiers_controller_spec.rb
@@ -115,7 +115,7 @@ describe API::V1::DossiersController do
         let!(:dossier) { Timecop.freeze(date_creation) { create(:dossier, :with_entreprise, procedure: procedure) } }
         let(:dossier_id) { dossier.id }
         let(:body) { JSON.parse(retour.body, symbolize_names: true) }
-        let(:field_list) { [:id, :created_at, :updated_at, :archived, :mandataire_social, :entreprise, :etablissement, :cerfa, :types_de_piece_justificative, :pieces_justificatives, :champs, :champs_private, :commentaires, :state, :simplified_state] }
+        let(:field_list) { [:id, :created_at, :updated_at, :archived, :mandataire_social, :entreprise, :etablissement, :cerfa, :types_de_piece_justificative, :pieces_justificatives, :champs, :champs_private, :commentaires, :state, :simplified_state, :initiated_at, :processed_at, :received_at] }
         subject { body[:dossier] }
 
         it 'return REST code 200', :show_in_doc do