diff --git a/app/models/api_entreprise_token.rb b/app/models/api_entreprise_token.rb
index 65cbfa491..fac81acda 100644
--- a/app/models/api_entreprise_token.rb
+++ b/app/models/api_entreprise_token.rb
@@ -17,6 +17,10 @@ class APIEntrepriseToken
     decoded_token.key?("exp") && decoded_token["exp"] <= Time.zone.now.to_i
   end
 
+  def expiration
+    Time.zone.at(decoded_token["exp"])
+  end
+
   def role?(role)
     roles.include?(role)
   end
diff --git a/app/models/procedure.rb b/app/models/procedure.rb
index d959e4b39..792d457c6 100644
--- a/app/models/procedure.rb
+++ b/app/models/procedure.rb
@@ -288,6 +288,7 @@ class Procedure < ApplicationRecord
   validates :api_particulier_token, format: { with: /\A[A-Za-z0-9\-_=.]{15,}\z/ }, allow_blank: true
   validate :validate_auto_archive_on_in_the_future, if: :will_save_change_to_auto_archive_on?
 
+  before_save :set_api_entreprise_token_expires_at, if: :will_save_change_to_api_entreprise_token?
   before_save :update_juridique_required
   after_save :extend_conservation_for_dossiers
 
@@ -973,6 +974,10 @@ class Procedure < ApplicationRecord
     monavis_embed.gsub('nd_source=button', "nd_source=#{source}").gsub('<a ', '<a target="_blank" rel="noopener noreferrer" ')
   end
 
+  def set_api_entreprise_token_expires_at
+    self.api_entreprise_token_expires_at = APIEntrepriseToken.new(api_entreprise_token).expiration
+  end
+
   private
 
   def published_revisions_types_de_champ(parent = nil)
diff --git a/db/migrate/20240924112458_add_api_entreprise_token_expires_at_to_procedures.rb b/db/migrate/20240924112458_add_api_entreprise_token_expires_at_to_procedures.rb
new file mode 100644
index 000000000..d7724cd85
--- /dev/null
+++ b/db/migrate/20240924112458_add_api_entreprise_token_expires_at_to_procedures.rb
@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+class AddAPIEntrepriseTokenExpiresAtToProcedures < ActiveRecord::Migration[7.0]
+  def change
+    add_column :procedures, :api_entreprise_token_expires_at, :datetime, precision: nil
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index f8f7dca89..e34e1e3b4 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -242,8 +242,8 @@ ActiveRecord::Schema[7.0].define(version: 2024_09_29_141825) do
     t.integer "dossier_count"
     t.string "dossier_state"
     t.bigint "instructeur_id", null: false
-    t.datetime "sent_at", precision: nil, null: false
     t.bigint "procedure_id"
+    t.datetime "sent_at", precision: nil, null: false
     t.datetime "updated_at", null: false
   end
 
@@ -934,6 +934,7 @@ ActiveRecord::Schema[7.0].define(version: 2024_09_29_141825) do
     t.boolean "allow_expert_messaging", default: true, null: false
     t.boolean "allow_expert_review", default: true, null: false
     t.string "api_entreprise_token"
+    t.datetime "api_entreprise_token_expires_at", precision: nil
     t.text "api_particulier_scopes", default: [], array: true
     t.jsonb "api_particulier_sources", default: {}
     t.boolean "ask_birthday", default: false, null: false
diff --git a/spec/models/api_entreprise_token_spec.rb b/spec/models/api_entreprise_token_spec.rb
index 114d88f8b..394153413 100644
--- a/spec/models/api_entreprise_token_spec.rb
+++ b/spec/models/api_entreprise_token_spec.rb
@@ -138,4 +138,34 @@ describe APIEntrepriseToken, type: :model do
       end
     end
   end
+
+  describe "#expiration" do
+    subject { api_entreprise_token.expiration }
+
+    context "without token" do
+      let(:token) { nil }
+
+      it { expect { subject }.to raise_exception(APIEntrepriseToken::TokenError) }
+    end
+
+    context "with a blank token" do
+      let(:token) { "" }
+
+      it { expect { subject }.to raise_exception(APIEntrepriseToken::TokenError) }
+    end
+
+    context "with an invalid token" do
+      let(:token) { "NOT-A-VALID-TOKEN" }
+
+      it { expect { subject }.to raise_exception(APIEntrepriseToken::TokenError) }
+    end
+
+    context "with a valid token" do
+      let(:token) { "eyJhbGciOiJIUzI1NiJ9.eyJ1aWQiOiI2NjRkZWEyMS02YWFlLTQwZmYtYWM0Mi1kZmQ3ZGE4YjQ3NmUiLCJqdGkiOiJhcGktZW50cmVwcmlzZS1zdGFnaW5nIiwicm9sZXMiOlsiY2VydGlmaWNhdF9jbmV0cCIsInByb2J0cCIsImV0YWJsaXNzZW1lbnRzIiwicHJpdmlsZWdlcyIsInVwdGltZSIsImF0dGVzdGF0aW9uc19hZ2VmaXBoIiwiYWN0ZXNfaW5waSIsImJpbGFuc19pbnBpIiwiYWlkZXNfY292aWRfZWZmZWN0aWZzIiwiY2VydGlmaWNhdF9yZ2VfYWRlbWUiLCJhdHRlc3RhdGlvbnNfc29jaWFsZXMiLCJlbnRyZXByaXNlX2FydGlzYW5hbGUiLCJmbnRwX2NhcnRlX3BybyIsImNvbnZlbnRpb25zX2NvbGxlY3RpdmVzIiwiZXh0cmFpdHNfcmNzIiwiZXh0cmFpdF9jb3VydF9pbnBpIiwiY2VydGlmaWNhdF9hZ2VuY2VfYmlvIiwibXNhX2NvdGlzYXRpb25zIiwiZG9jdW1lbnRzX2Fzc29jaWF0aW9uIiwiZW9yaV9kb3VhbmVzIiwiYXNzb2NpYXRpb25zIiwiYmlsYW5zX2VudHJlcHJpc2VfYmRmIiwiZW50cmVwcmlzZXMiLCJxdWFsaWJhdCIsImNlcnRpZmljYXRfb3BxaWJpIiwiZW50cmVwcmlzZSIsImV0YWJsaXNzZW1lbnQiXSwic3ViIjoic3RhZ2luZyBkZXZlbG9wbWVudCIsImlhdCI6MTY0MTMwNDcxNCwidmVyc2lvbiI6IjEuMCIsImV4cCI6MTY4ODQ3NTUxNH0.xID66pIlMnBR5_6nG-GidFBzK4Tuuy5ZsWfkMEVB_Ek" }
+
+      it "returns the correct expiration time" do
+        expect(subject).to eq(Time.zone.at(1688475514))
+      end
+    end
+  end
 end
diff --git a/spec/models/procedure_spec.rb b/spec/models/procedure_spec.rb
index 4f580d727..0e2ad73c0 100644
--- a/spec/models/procedure_spec.rb
+++ b/spec/models/procedure_spec.rb
@@ -1860,6 +1860,42 @@ describe Procedure do
     end
   end
 
+  describe '#set_api_entreprise_token_expires_at (before_save)' do
+    let(:procedure) { create(:procedure) }
+
+    before do
+      procedure.api_entreprise_token = api_entreprise_token
+    end
+
+    subject { procedure.save }
+
+    context 'when the api_entreprise_token is nil' do
+      let(:api_entreprise_token) { nil }
+
+      it 'does not set the api_entreprise_token_expires_at' do
+        expect { subject }.not_to change { procedure.api_entreprise_token_expires_at }.from(nil)
+      end
+    end
+
+    context 'when the api_entreprise_token is not valid' do
+      let(:api_entreprise_token) { "not a token" }
+
+      it do
+        expect { subject }.not_to change { procedure.api_entreprise_token_expires_at }.from(nil)
+      end
+    end
+
+    context 'when the api_entreprise_token is valid' do
+      let(:expiration_date) { Time.zone.now.beginning_of_minute }
+      let(:api_entreprise_token) { JWT.encode({ exp: expiration_date.to_i }, nil, 'none') }
+
+      it do
+        puts "expiration_date: #{expiration_date.to_i}"
+        expect { subject }.to change { procedure.api_entreprise_token_expires_at }.from(nil).to(expiration_date)
+      end
+    end
+  end
+
   describe "#parsed_latest_zone_labels" do
     let!(:draft_procedure) { create(:procedure) }
     let!(:published_procedure) { create(:procedure_with_dossiers, :published, dossiers_count: 2) }