diff --git a/app/components/procedure/card/api_entreprise_component/api_entreprise_component.fr.yml b/app/components/procedure/card/api_entreprise_component/api_entreprise_component.fr.yml
index 688cb12c0..1dc20806f 100644
--- a/app/components/procedure/card/api_entreprise_component/api_entreprise_component.fr.yml
+++ b/app/components/procedure/card/api_entreprise_component/api_entreprise_component.fr.yml
@@ -1,3 +1,3 @@
 ---
 fr:
-  title: Jeton Entreprise
+  title: Jeton API Entreprise
diff --git a/app/components/procedure/card/api_entreprise_component/api_entreprise_component.html.haml b/app/components/procedure/card/api_entreprise_component/api_entreprise_component.html.haml
index 8c5ed09f9..e7eda1d7c 100644
--- a/app/components/procedure/card/api_entreprise_component/api_entreprise_component.html.haml
+++ b/app/components/procedure/card/api_entreprise_component/api_entreprise_component.html.haml
@@ -1,11 +1,14 @@
 .fr-col-6.fr-col-md-4.fr-col-lg-3
   = link_to jeton_admin_procedure_path(@procedure), class: 'fr-tile fr-enlarge-link' do
     .fr-tile__body.flex.column.align-center.justify-between
-      - if @procedure.api_entreprise_token.present?
-        %p.fr-badge.fr-badge--success Validé
+      - if @procedure.has_api_entreprise_token?
+        - if @procedure.api_entreprise_token_expired_or_expires_soon?
+          %p.fr-badge.fr-badge--error À renouveler
+        - else
+          %p.fr-badge.fr-badge--success Validé
       - else
         %p.fr-badge.fr-badge--info À configurer
       %div
         %h3.fr-h6.fr-mt-10v= t('.title')
-        %p.fr-tile-subtitle Configurer le jeton API entreprise
+        %p.fr-tile-subtitle Configurer le jeton API Entreprise
       %p.fr-btn.fr-btn--tertiary= t('views.shared.actions.edit')
diff --git a/app/models/api_entreprise_token.rb b/app/models/api_entreprise_token.rb
index 65cbfa491..b3c1e5b7b 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
+    decoded_token.key?("exp") && Time.zone.at(decoded_token["exp"])
+  end
+
   def role?(role)
     roles.include?(role)
   end
diff --git a/app/models/concerns/api_entreprise_token_concern.rb b/app/models/concerns/api_entreprise_token_concern.rb
new file mode 100644
index 000000000..3750d35ef
--- /dev/null
+++ b/app/models/concerns/api_entreprise_token_concern.rb
@@ -0,0 +1,33 @@
+# frozen_string_literal: true
+
+module APIEntrepriseTokenConcern
+  extend ActiveSupport::Concern
+
+  SOON_TO_EXPIRE_DELAY = 1.month
+
+  included do
+    validates :api_entreprise_token, jwt_token: true, allow_blank: true
+
+    before_save :set_api_entreprise_token_expires_at, if: :will_save_change_to_api_entreprise_token?
+
+    def api_entreprise_role?(role)
+      APIEntrepriseToken.new(api_entreprise_token).role?(role)
+    end
+
+    def api_entreprise_token
+      self[:api_entreprise_token].presence || Rails.application.secrets.api_entreprise[:key]
+    end
+
+    def api_entreprise_token_expired_or_expires_soon?
+      api_entreprise_token_expires_at && api_entreprise_token_expires_at <= SOON_TO_EXPIRE_DELAY.from_now
+    end
+
+    def has_api_entreprise_token?
+      self[:api_entreprise_token].present?
+    end
+
+    def set_api_entreprise_token_expires_at
+      self.api_entreprise_token_expires_at = has_api_entreprise_token? ? APIEntrepriseToken.new(api_entreprise_token).expiration : nil
+    end
+  end
+end
diff --git a/app/models/procedure.rb b/app/models/procedure.rb
index e758b087a..437fbd2a7 100644
--- a/app/models/procedure.rb
+++ b/app/models/procedure.rb
@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 class Procedure < ApplicationRecord
+  include APIEntrepriseTokenConcern
   include ProcedureStatsConcern
   include EncryptableConcern
   include InitiationProcedureConcern
@@ -284,7 +285,6 @@ class Procedure < ApplicationRecord
     size: { less_than: LOGO_MAX_SIZE },
     if: -> { new_record? || created_at > Date.new(2020, 11, 13) }
 
-  validates :api_entreprise_token, jwt_token: true, allow_blank: true
   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?
 
@@ -762,18 +762,6 @@ class Procedure < ApplicationRecord
     "Procedure;#{id}"
   end
 
-  def api_entreprise_role?(role)
-    APIEntrepriseToken.new(api_entreprise_token).role?(role)
-  end
-
-  def api_entreprise_token
-    self[:api_entreprise_token].presence || Rails.application.secrets.api_entreprise[:key]
-  end
-
-  def api_entreprise_token_expired?
-    APIEntrepriseToken.new(api_entreprise_token).expired?
-  end
-
   def create_new_revision(revision = nil)
     transaction do
       new_revision = (revision || draft_revision)
diff --git a/app/tasks/maintenance/update_api_entreprise_token_expires_at_task.rb b/app/tasks/maintenance/update_api_entreprise_token_expires_at_task.rb
new file mode 100644
index 000000000..206a270ec
--- /dev/null
+++ b/app/tasks/maintenance/update_api_entreprise_token_expires_at_task.rb
@@ -0,0 +1,14 @@
+# frozen_string_literal: true
+
+module Maintenance
+  class UpdateAPIEntrepriseTokenExpiresAtTask < MaintenanceTasks::Task
+    def collection
+      Procedure.with_discarded.where.not(api_entreprise_token: nil)
+    end
+
+    def process(procedure)
+      procedure.set_api_entreprise_token_expires_at
+      procedure.save!
+    end
+  end
+end
diff --git a/app/views/administrateurs/_breadcrumbs.html.haml b/app/views/administrateurs/_breadcrumbs.html.haml
index d19911f36..9264a128e 100644
--- a/app/views/administrateurs/_breadcrumbs.html.haml
+++ b/app/views/administrateurs/_breadcrumbs.html.haml
@@ -28,6 +28,11 @@
         - elsif @procedure.locked?
           = link_to commencer_url(@procedure.path), commencer_url(@procedure.path), class: "fr-link"
           .flex.fr-mt-1w
+
+            - if @procedure.api_entreprise_token_expired_or_expires_soon?
+              %span.fr-badge.fr-badge--error.fr-mr-1w
+                = t('to_modify', scope: [:layouts, :breadcrumb])
+
             %span.fr-badge.fr-badge--success.fr-mr-1w
               = t('published', scope: [:layouts, :breadcrumb])
             = t('since', scope: [:layouts, :breadcrumb], number: @procedure.id, date: l(@procedure.published_at.to_date))
diff --git a/app/views/administrateurs/procedures/_api_entreprise_token_expiration_alert.html.haml b/app/views/administrateurs/procedures/_api_entreprise_token_expiration_alert.html.haml
new file mode 100644
index 000000000..d37e14142
--- /dev/null
+++ b/app/views/administrateurs/procedures/_api_entreprise_token_expiration_alert.html.haml
@@ -0,0 +1,14 @@
+- if procedure.api_entreprise_token_expires_at.present?
+  - if procedure.api_entreprise_token_expires_at < Time.zone.now
+    = render Dsfr::AlertComponent.new(state: :error, size: :sm, extra_class_names: 'fr-mb-2w') do |c|
+      - c.with_body do
+        %p
+          Votre jeton API Entreprise est expiré.
+          Merci de le renouveler.
+  - elsif procedure.api_entreprise_token_expired_or_expires_soon?
+    = render Dsfr::AlertComponent.new(state: :warning, size: :sm, extra_class_names: 'fr-mb-2w') do |c|
+      - c.with_body do
+        %p
+          Votre jeton API Entreprise expirera le
+          = procedure.api_entreprise_token_expires_at.strftime('%d/%m/%Y à %H:%M.')
+          Merci de le renouveler avant cette date.
diff --git a/app/views/administrateurs/procedures/_procedures_list.html.haml b/app/views/administrateurs/procedures/_procedures_list.html.haml
index 535c76267..99eecd912 100644
--- a/app/views/administrateurs/procedures/_procedures_list.html.haml
+++ b/app/views/administrateurs/procedures/_procedures_list.html.haml
@@ -54,11 +54,15 @@
 
       .text-right
         %p.fr-mb-0.width-max-content N° #{number_with_html_delimiter(procedure.id)}
+
         - if procedure.close? || procedure.depubliee?
           %span.fr-badge.fr-badge--sm.fr-badge--warning
             = t('closed', scope: [:layouts, :breadcrumb])
 
         - elsif procedure.publiee?
+          - if procedure.api_entreprise_token_expired_or_expires_soon?
+            %span.fr-badge.fr-badge--sm.fr-badge--error
+              = t('to_modify', scope: [:layouts, :breadcrumb])
           %span.fr-badge.fr-badge--sm.fr-badge--success
             = t('published', scope: [:layouts, :breadcrumb])
 
diff --git a/app/views/administrateurs/procedures/jeton.html.haml b/app/views/administrateurs/procedures/jeton.html.haml
index 35d92ab90..8172136d5 100644
--- a/app/views/administrateurs/procedures/jeton.html.haml
+++ b/app/views/administrateurs/procedures/jeton.html.haml
@@ -1,10 +1,10 @@
 = render partial: 'administrateurs/breadcrumbs',
   locals: { steps: [['Démarches', admin_procedures_back_path(@procedure)],
                     [@procedure.libelle.truncate_words(10), admin_procedure_path(@procedure)],
-                    ['Jeton Entreprise']] }
+                    ['Jeton API Entreprise']] }
 
 .fr-container
-  %h1.fr-h2 Jeton Entreprise
+  %h1.fr-h2 Jeton API Entreprise
 
 = form_with model: @procedure, url: url_for({ controller: 'administrateurs/procedures', action: :update_jeton }) do |f|
   .fr-container
@@ -14,12 +14,16 @@
           Démarches Simplifiées utilise
           = link_to 'API Entreprise', "https://entreprise.api.gouv.fr/"
           qui permet de récupérer les informations administratives des entreprises et des associations.
-          Si votre démarche nécessite des autorisations spécifiques que Démarches Simplifiées n’a pas par défaut, merci de renseigner ici le jeton
-          = link_to 'API Entreprise', "https://api.gouv.fr/les-api/api-entreprise/demande-acces"
+          Si votre démarche nécessite des autorisations spécifiques que Démarches Simplifiées n’a pas par défaut, merci de renseigner ci-dessous
+          %strong le jeton API Entreprise
           propre à votre démarche.
+        %p
+          Si besoin, vous pouvez demander une habilitation API Entreprise en cliquant sur le lien suivant :
+          = link_to "https://api.gouv.fr/les-api/api-entreprise/demande-acces.", "https://api.gouv.fr/les-api/api-entreprise/demande-acces"
 
-    .fr-input-group
-      = f.label :api_entreprise_token, "Jeton", class: 'fr-label'
-      = f.password_field :api_entreprise_token, value: @procedure.read_attribute(:api_entreprise_token), class: 'fr-input'
+
+    = render partial: 'administrateurs/procedures/api_entreprise_token_expiration_alert', locals: { procedure: @procedure }
+
+    = render Dsfr::InputComponent.new(form: f, attribute: :api_entreprise_token, input_type: :password_field, required: false, opts: { value: @procedure.read_attribute(:api_entreprise_token)})
 
   = render Procedure::FixedFooterComponent.new(procedure: @procedure, form: f)
diff --git a/app/views/administrateurs/procedures/show.html.haml b/app/views/administrateurs/procedures/show.html.haml
index 8cdfc01c2..4414f921f 100644
--- a/app/views/administrateurs/procedures/show.html.haml
+++ b/app/views/administrateurs/procedures/show.html.haml
@@ -27,6 +27,15 @@
         = link_to 'Clore', admin_procedure_close_path(procedure_id: @procedure.id), class: 'fr-btn fr-btn--tertiary fr-btn--icon-left fr-icon-calendar-close-fill', id: "close-procedure-link"
 
 .fr-container
+  - if @procedure.api_entreprise_token_expired_or_expires_soon?
+    = render Dsfr::AlertComponent.new(state: :error, title: t(:technical_issues, scope: [:administrateurs, :procedures]), extra_class_names: 'fr-mb-2w') do |c|
+      - c.with_body do
+        %ul.fr-mb-0
+          %li
+            Le
+            = link_to "Jeton API Entreprise", jeton_admin_procedure_path(@procedure), class: 'error-anchor'
+            est expiré ou va expirer prochainement
+
   - if @procedure.draft_changed?
     = render Dsfr::CalloutComponent.new(title: t(:has_changes, scope: [:administrateurs, :revision_changes]), icon: "fr-fi-information-line") do |c|
       - c.with_body do
diff --git a/config/locales/models/procedure/en.yml b/config/locales/models/procedure/en.yml
index 1328196b5..98d27a1f4 100644
--- a/config/locales/models/procedure/en.yml
+++ b/config/locales/models/procedure/en.yml
@@ -7,6 +7,7 @@ en:
     attributes:
       procedure:
         hints:
+          api_entreprise_token: 'For example: eyJhbGciOiJIUzI1NiJ9.eyJ1...'
           description: Describe in a few lines the context, the aim etc.
           description_target_audience: Describe in a few lines the final recipients of the process, the eligibility criteria if there are any, the prerequisites, etc.
           description_pj: Describe the required attachments list if there is any
@@ -48,6 +49,7 @@ en:
           personne_morale: 'Legal entity'
         declarative_with_state/en_instruction: Instruction
         declarative_with_state/accepte: Accepted
+        api_entreprise_token: Token API Entreprise
         api_particulier_token: Token API Particulier
         initiated_mail: File sorted for processing notification email
         received_mail: File submitted notification email
diff --git a/config/locales/models/procedure/fr.yml b/config/locales/models/procedure/fr.yml
index 35713d133..9cc851e1f 100644
--- a/config/locales/models/procedure/fr.yml
+++ b/config/locales/models/procedure/fr.yml
@@ -7,6 +7,7 @@ fr:
     attributes:
       procedure:
         hints:
+          api_entreprise_token: 'Exemple : eyJhbGciOiJIUzI1NiJ9.eyJ1...'
           description: Décrivez en quelques lignes le contexte, la finalité, etc.
           description_target_audience: Décrivez en quelques lignes les destinataires finaux de la démarche, les conditions d’éligibilité s’il y en a, les pré-requis, etc.
           description_pj: Décrivez la liste des pièces jointes à fournir s’il y en a
@@ -54,6 +55,7 @@ fr:
           personne_morale: 'Personne morale'
         declarative_with_state/en_instruction: En instruction
         declarative_with_state/accepte: Accepté
+        api_entreprise_token: Jeton API Entreprise
         api_particulier_token: Jeton API Particulier
         initiated_mail: L’email de notification de passage de dossier en instruction
         received_mail: L’email de notification de dépôt de dossier
diff --git a/config/locales/views/administrateurs/procedures/en.yml b/config/locales/views/administrateurs/procedures/en.yml
index c1776e841..2f471930d 100644
--- a/config/locales/views/administrateurs/procedures/en.yml
+++ b/config/locales/views/administrateurs/procedures/en.yml
@@ -67,6 +67,7 @@ en:
         dpd_part_4: How to do ? You can either send him the link to the procedure on test stage by email, or name him "administrator". In any case, publish your approach only after having had his opinion.
         back_to_procedure: 'Cancel and return to the procedure page'
         submit: Publish
+      technical_issues: "Issues are affecting the proper functioning of the process"
       check_path:
         path_not_available:
           owner: This URL is identical to another of your published procedures. If you publish this procedure, the old one will be unpublished and will no longer be accessible to the public.
diff --git a/config/locales/views/administrateurs/procedures/fr.yml b/config/locales/views/administrateurs/procedures/fr.yml
index f86a93276..036a90daa 100644
--- a/config/locales/views/administrateurs/procedures/fr.yml
+++ b/config/locales/views/administrateurs/procedures/fr.yml
@@ -67,6 +67,7 @@ fr:
         dpd_part_4: Comment faire ? Vous pouvez soit lui communiquer par email le lien vers la démarche en test, ou bien le nommer « administrateur ». Dans tous les cas, ne publiez votre démarche qu’après avoir eu son avis.
         back_to_procedure: 'Annuler et revenir à la page de la démarche'
         submit: Publier
+      technical_issues: Des problèmes impactent le bon fonctionnement de la démarche
       check_path:
         path_not_available:
           owner: Cette url est identique à celle d’une autre de vos démarches publiées. Si vous publiez cette démarche, l’ancienne sera dépubliée et ne sera plus accessible au public.
diff --git a/config/locales/views/layouts/_breadcrumb.en.yml b/config/locales/views/layouts/_breadcrumb.en.yml
index f0a4ff07d..129028235 100644
--- a/config/locales/views/layouts/_breadcrumb.en.yml
+++ b/config/locales/views/layouts/_breadcrumb.en.yml
@@ -11,6 +11,7 @@ en:
       closed: "Closed"
       published: "Published"
       draft: "Draft"
+      to_modify: "To modify"
       more_info_on_test: "For more information on test stage"
       go_to_FAQ: "read FAQ"
       url_FAQ: "/faq#accordion-administrateur-2"
diff --git a/config/locales/views/layouts/_breadcrumb.fr.yml b/config/locales/views/layouts/_breadcrumb.fr.yml
index 2cb0ed409..cc60f2133 100644
--- a/config/locales/views/layouts/_breadcrumb.fr.yml
+++ b/config/locales/views/layouts/_breadcrumb.fr.yml
@@ -11,6 +11,7 @@ fr:
       closed: "Close"
       published: "Publiée"
       draft: "En test"
+      to_modify: "À modifier"
       more_info_on_test: "Pour plus d’information sur la phase de test"
       go_to_FAQ: "consulter la FAQ"
       url_FAQ: "/faq#accordion-administrateur-2"
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 76e7f27c5..30d626290 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
 
@@ -933,6 +933,7 @@ 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/components/procedure/card/api_entreprise_component_spec.rb b/spec/components/procedure/card/api_entreprise_component_spec.rb
new file mode 100644
index 000000000..382d425ad
--- /dev/null
+++ b/spec/components/procedure/card/api_entreprise_component_spec.rb
@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+require "rails_helper"
+
+RSpec.describe Procedure::Card::APIEntrepriseComponent, type: :component do
+  subject { render_inline(described_class.new(procedure:)) }
+
+  let(:procedure) { create(:procedure, api_entreprise_token:) }
+
+  context "Token is not configured" do
+    let(:api_entreprise_token) { nil }
+
+    it { is_expected.to have_css('p.fr-badge.fr-badge--info', text: "À configurer") }
+  end
+
+  context "Token expires soon" do
+    let(:api_entreprise_token) { JWT.encode({ exp: 2.days.from_now.to_i }, nil, "none") }
+
+    it { is_expected.to have_css('p.fr-badge.fr-badge--error', text: "À renouveler") }
+  end
+
+  context "Token expires in a long time" do
+    let(:api_entreprise_token) { JWT.encode({ exp: 2.months.from_now.to_i }, nil, "none") }
+
+    it { is_expected.to have_css('p.fr-badge.fr-badge--success', text: "Validé") }
+  end
+end
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.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.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/concerns/api_entreprise_token_concern_spec.rb b/spec/models/concerns/api_entreprise_token_concern_spec.rb
new file mode 100644
index 000000000..ce58d2b15
--- /dev/null
+++ b/spec/models/concerns/api_entreprise_token_concern_spec.rb
@@ -0,0 +1,84 @@
+# frozen_string_literal: true
+
+describe APIEntrepriseTokenConcern do
+  describe "#api_entreprise_token_expired_or_expires_soon?" do
+    subject { procedure.api_entreprise_token_expired_or_expires_soon? }
+
+    let(:procedure) { create(:procedure, api_entreprise_token:) }
+
+    context "when there is no token" do
+      let(:api_entreprise_token) { nil }
+
+      it { is_expected.to be_falsey }
+    end
+
+    context "when the token expires in 2 months" do
+      let(:api_entreprise_token) { JWT.encode({ exp: 2.months.from_now.to_i }, nil, "none") }
+
+      it { is_expected.to be_falsey }
+    end
+
+    context "when the token expires tomorrow" do
+      let(:api_entreprise_token) { JWT.encode({ exp: 1.day.from_now.to_i }, nil, "none") }
+
+      it { is_expected.to be_truthy }
+    end
+
+    context "when the token is expired" do
+      let(:api_entreprise_token) { JWT.encode({ exp: 1.day.ago.to_i }, nil, "none") }
+
+      it { is_expected.to be_truthy }
+    end
+  end
+
+  describe '#set_api_entreprise_token_expires_at (before_save)' do
+    let(:procedure) { create(:procedure, api_entreprise_token: initial_api_entreprise_token) }
+
+    before do
+      procedure.api_entreprise_token = api_entreprise_token
+    end
+
+    subject { procedure.save }
+
+    context "when procedure had no api_entreprise_token" do
+      let(:initial_api_entreprise_token) { nil }
+
+      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
+          expect { subject }.to change { procedure.api_entreprise_token_expires_at }.from(nil).to(expiration_date)
+        end
+      end
+    end
+
+    context "when procedure had an api_entreprise_token" do
+      let(:initial_api_entreprise_token) { JWT.encode({ exp: 2.months.from_now.to_i }, nil, "none") }
+
+      context 'when the api_entreprise_token is set to nil' do
+        let(:api_entreprise_token) { nil }
+
+        it do
+          expect { subject }.to change { procedure.api_entreprise_token_expires_at }.to(nil)
+        end
+      end
+    end
+  end
+end
diff --git a/spec/models/procedure_spec.rb b/spec/models/procedure_spec.rb
index 527b19d52..a5adf5280 100644
--- a/spec/models/procedure_spec.rb
+++ b/spec/models/procedure_spec.rb
@@ -621,31 +621,6 @@ describe Procedure do
     end
   end
 
-  describe 'api_entreprise_token_expired?' do
-    let(:token) { "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c" }
-    let(:procedure) { create(:procedure, api_entreprise_token: token) }
-    let(:payload) {
-      [
-        { "exp" => expiration_time }
-      ]
-    }
-    let(:subject) { procedure.api_entreprise_token_expired? }
-
-    before do
-      allow(JWT).to receive(:decode).with(token, nil, false).and_return(payload)
-    end
-
-    context "with token expired" do
-      let(:expiration_time) { (1.day.ago).to_i }
-      it { is_expected.to be_truthy }
-    end
-
-    context "with token not expired" do
-      let(:expiration_time) { (1.day.from_now).to_i }
-      it { is_expected.to be_falsey }
-    end
-  end
-
   describe 'clone' do
     let(:service) { create(:service) }
     let(:procedure) do
diff --git a/spec/tasks/maintenance/update_api_entreprise_token_expires_at_task_spec.rb b/spec/tasks/maintenance/update_api_entreprise_token_expires_at_task_spec.rb
new file mode 100644
index 000000000..4fca851f8
--- /dev/null
+++ b/spec/tasks/maintenance/update_api_entreprise_token_expires_at_task_spec.rb
@@ -0,0 +1,33 @@
+# frozen_string_literal: true
+
+module Maintenance
+  RSpec.describe UpdateAPIEntrepriseTokenExpiresAtTask do
+    describe '#collection' do
+      subject(:collection) { described_class.collection }
+
+      let!(:procedures_with_token) { create_list(:procedure, 3, api_entreprise_token: JWT.encode({}, nil, 'none')) }
+      let!(:procedure_without_token) { create(:procedure, api_entreprise_token: nil) }
+
+      it 'returns procedures with api_entreprise_token present' do
+        expect(collection).to match_array(procedures_with_token)
+
+        expect(collection).not_to include(procedure_without_token)
+      end
+    end
+
+    describe "#process" do
+      subject(:process) { described_class.process(procedure) }
+
+      let(:expiration) { 1.month.from_now.beginning_of_minute }
+      let(:procedure) { create(:procedure) }
+
+      before do
+        procedure.update_column(:api_entreprise_token, JWT.encode({ exp: expiration.to_i }, nil, "none"))
+      end
+
+      it do
+        expect { process }.to change { procedure.reload.api_entreprise_token_expires_at }.from(nil).to(expiration)
+      end
+    end
+  end
+end
diff --git a/spec/views/administrateurs/procedures/_api_entreprise_token_expiration_alert.html.haml_spec.rb b/spec/views/administrateurs/procedures/_api_entreprise_token_expiration_alert.html.haml_spec.rb
new file mode 100644
index 000000000..7cc4b8824
--- /dev/null
+++ b/spec/views/administrateurs/procedures/_api_entreprise_token_expiration_alert.html.haml_spec.rb
@@ -0,0 +1,47 @@
+# frozen_string_literal: true
+
+RSpec.describe 'administrateurs/procedures/_api_entreprise_token_expiration_alert', type: :view do
+  let(:procedure) { create(:procedure, api_entreprise_token:) }
+
+  subject { render 'administrateurs/procedures/api_entreprise_token_expiration_alert', procedure: procedure }
+
+  context "when there is no token" do
+    let(:api_entreprise_token) { nil }
+
+    it "does not render anything" do
+      subject
+      expect(rendered).to be_empty
+    end
+  end
+
+  context "when the token is expired" do
+    let(:api_entreprise_token) { JWT.encode({ exp: 2.days.ago.to_i }, nil, "none") }
+
+    it "should display an error" do
+      subject
+
+      expect(rendered).to have_content("Votre jeton API Entreprise est expiré")
+    end
+  end
+
+  context "when the token expires in few days it should display the expiration date" do
+    let(:expiration) { 2.days.from_now }
+    let(:api_entreprise_token) { JWT.encode({ exp: expiration.to_i }, nil, "none") }
+
+    it "should display an error" do
+      subject
+
+      expect(rendered).to have_content("Votre jeton API Entreprise expirera le\n#{expiration.strftime('%d/%m/%Y à %H:%M')}")
+    end
+  end
+
+  context "when the token expires in a long time" do
+    let(:expiration) { 2.months.from_now }
+    let(:api_entreprise_token) { JWT.encode({ exp: expiration.to_i }, nil, "none") }
+
+    it "does not render anything" do
+      subject
+      expect(rendered).to be_empty
+    end
+  end
+end