diff --git a/app/components/dossiers/champs_rows_show_component/champs_rows_show_component.html.haml b/app/components/dossiers/champs_rows_show_component/champs_rows_show_component.html.haml
index 3dbe364946b..2d674662e77 100644
--- a/app/components/dossiers/champs_rows_show_component/champs_rows_show_component.html.haml
+++ b/app/components/dossiers/champs_rows_show_component/champs_rows_show_component.html.haml
@@ -48,6 +48,8 @@
             = render partial: "shared/champs/regions/show", locals: { champ: champ }
           - when TypeDeChamp.type_champs.fetch(:rna)
             = render partial: "shared/champs/rna/show", locals: { champ: champ, profile: @profile }
+          - when TypeDeChamp.type_champs.fetch(:rnf)
+            = render partial: "shared/champs/rnf/show", locals: { champ: champ, profile: @profile }
           - when TypeDeChamp.type_champs.fetch(:epci)
             = render partial: "shared/champs/epci/show", locals: { champ: champ }
           - when TypeDeChamp.type_champs.fetch(:cojo)
@@ -60,4 +62,3 @@
             %p= helpers.number_with_html_delimiter(champ.to_s)
           - else
             = helpers.format_text_value(champ.to_s.strip) # format already wrap in p
-
diff --git a/app/components/editable_champ/rnf_component.rb b/app/components/editable_champ/rnf_component.rb
new file mode 100644
index 00000000000..fc6835c2c2e
--- /dev/null
+++ b/app/components/editable_champ/rnf_component.rb
@@ -0,0 +1,2 @@
+class EditableChamp::RNFComponent < EditableChamp::EditableChampBaseComponent
+end
diff --git a/app/components/editable_champ/rnf_component/rnf_component.en.yml b/app/components/editable_champ/rnf_component/rnf_component.en.yml
new file mode 100644
index 00000000000..ab32743d927
--- /dev/null
+++ b/app/components/editable_champ/rnf_component/rnf_component.en.yml
@@ -0,0 +1,5 @@
+---
+en:
+  rnf_info_error: No fondation found
+  rnf_info_pending: RNF verification pending
+  rnf_info_success: "This RNF matches %{title}"
diff --git a/app/components/editable_champ/rnf_component/rnf_component.fr.yml b/app/components/editable_champ/rnf_component/rnf_component.fr.yml
new file mode 100644
index 00000000000..4040fd1587a
--- /dev/null
+++ b/app/components/editable_champ/rnf_component/rnf_component.fr.yml
@@ -0,0 +1,5 @@
+---
+fr:
+  rnf_info_error: Aucune fondation trouvée
+  rnf_info_pending: Vérification du RNF en cours
+  rnf_info_success: "Ce RNF correspond à %{title}"
diff --git a/app/components/editable_champ/rnf_component/rnf_component.html.haml b/app/components/editable_champ/rnf_component/rnf_component.html.haml
new file mode 100644
index 00000000000..edf5f07f4a3
--- /dev/null
+++ b/app/components/editable_champ/rnf_component/rnf_component.html.haml
@@ -0,0 +1,9 @@
+= @form.text_field :external_id, required: @champ.required?, class: "width-33-desktop fr-input small-margin", id: @champ.input_id
+
+.rnf-info{ id: dom_id(@champ, :rnf_info) }
+  - if @champ.fetch_external_data_error?
+    %p.fr-error-text= t('.rnf_info_error')
+  - elsif @champ.fetch_external_data_pending?
+    %p.fr-info-text= t('.rnf_info_pending')
+  - elsif @champ.data?
+    %p.fr-info-text= t('.rnf_info_success', title: @champ.title)
diff --git a/app/controllers/users/dossiers_controller.rb b/app/controllers/users/dossiers_controller.rb
index 5a4c047d1d0..af4dba163fd 100644
--- a/app/controllers/users/dossiers_controller.rb
+++ b/app/controllers/users/dossiers_controller.rb
@@ -483,6 +483,7 @@ def champs_public_params
         :code_departement,
         :accreditation_number,
         :accreditation_birthdate,
+        :rnf_id,
         value: []
       ])
       champs_params[:champs_public_all_attributes] = champs_params.delete(:champs_public_attributes) || {}
diff --git a/app/models/champs/rnf_champ.rb b/app/models/champs/rnf_champ.rb
new file mode 100644
index 00000000000..d96b6ebde53
--- /dev/null
+++ b/app/models/champs/rnf_champ.rb
@@ -0,0 +1,23 @@
+class Champs::RNFChamp < Champ
+  store_accessor :data, :title, :email, :phone, :createdAt, :updatedAt, :dissolvedAt, :address, :status
+
+  def rnf_id
+    external_id
+  end
+
+  def fetch_external_data
+    RNFService.new.(rnf_id:)
+  end
+
+  def fetch_external_data?
+    true
+  end
+
+  def poll_external_data?
+    true
+  end
+
+  def blank?
+    rnf_id.blank?
+  end
+end
diff --git a/app/models/type_de_champ.rb b/app/models/type_de_champ.rb
index da383554980..8f196cb719f 100644
--- a/app/models/type_de_champ.rb
+++ b/app/models/type_de_champ.rb
@@ -51,6 +51,7 @@ class TypeDeChamp < ApplicationRecord
     yes_no: CHOICE,
     annuaire_education: REFERENTIEL_EXTERNE,
     rna: REFERENTIEL_EXTERNE,
+    rnf: REFERENTIEL_EXTERNE,
     carte: REFERENTIEL_EXTERNE,
     cnaf: REFERENTIEL_EXTERNE,
     dgfip: REFERENTIEL_EXTERNE,
@@ -91,6 +92,7 @@ class TypeDeChamp < ApplicationRecord
     yes_no: 'yes_no',
     annuaire_education: 'annuaire_education',
     rna: 'rna',
+    rnf: 'rnf',
     carte: 'carte',
     cnaf: 'cnaf',
     dgfip: 'dgfip',
diff --git a/app/models/types_de_champ/rnf_type_de_champ.rb b/app/models/types_de_champ/rnf_type_de_champ.rb
new file mode 100644
index 00000000000..ce3b24c9c7e
--- /dev/null
+++ b/app/models/types_de_champ/rnf_type_de_champ.rb
@@ -0,0 +1,2 @@
+class TypesDeChamp::RNFTypeDeChamp < TypesDeChamp::TextTypeDeChamp
+end
diff --git a/app/schemas/rnf.json b/app/schemas/rnf.json
new file mode 100644
index 00000000000..866821090d5
--- /dev/null
+++ b/app/schemas/rnf.json
@@ -0,0 +1,36 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "http://demarches-simplifiees.fr/rnf.schema.json",
+  "title": "RNF",
+  "type": "object",
+  "properties": {
+    "id": { "type": "integer" },
+    "rnfId": { "type": "string" },
+    "type": { "type": "string" },
+    "department": { "type": "string" },
+    "title": { "type": "string" },
+    "dissolvedAt": { "type": ["string", "null"] },
+    "phone": { "type": "string" },
+    "email": { "type": "string" },
+    "addressId": { "type": "integer" },
+    "address": {
+      "id": { "type": "integer" },
+      "createdAt":{ "type": "string" },
+      "updatedAt":{ "type": "string" },
+      "label":{ "type": "string" },
+      "type":{ "type": "string" },
+      "streetAddress":{ "type": "string" },
+      "streetNumber":{ "type": "string" },
+      "streetName":{ "type": "string" },
+      "postalCode":{ "type": "string" },
+      "cityName":{ "type": "string" },
+      "cityCode":{ "type": "string" },
+      "departmentName":{ "type": "string" },
+      "departmentCode":{ "type": "string" },
+      "regionName":{ "type": "string" },
+      "regionCode":{ "type": "string" }
+    },
+    "status": { "type": ["string", "null"] },
+    "persons": { "type": "array" }
+  }
+}
diff --git a/app/services/rnf_service.rb b/app/services/rnf_service.rb
new file mode 100644
index 00000000000..11410918de8
--- /dev/null
+++ b/app/services/rnf_service.rb
@@ -0,0 +1,25 @@
+class RNFService
+  include Dry::Monads[:result]
+
+  def call(rnf_id:)
+    result = API::Client.new.(url: "#{url}/#{rnf_id}", schema:)
+    case result
+    in Success(body:)
+      Success(body)
+    in Failure(code:, reason:) if code.in?(401..403)
+      Failure(API::Client::Error[:unauthorized, code, false, reason])
+    else
+      result
+    end
+  end
+
+  private
+
+  def schema
+    JSONSchemer.schema(Rails.root.join('app/schemas/rnf.json'))
+  end
+
+  def url
+    "#{API_RNF_URL}/api/foundations"
+  end
+end
diff --git a/config/initializers/02_urls.rb b/config/initializers/02_urls.rb
index f10a271e183..dc8c105b791 100644
--- a/config/initializers/02_urls.rb
+++ b/config/initializers/02_urls.rb
@@ -7,6 +7,7 @@
 API_PARTICULIER_URL = ENV.fetch("API_PARTICULIER_URL", "https://particulier.api.gouv.fr/api")
 API_TCHAP_URL = ENV.fetch("API_TCHAP_URL", "https://matrix.agent.tchap.gouv.fr/_matrix/identity/api/v1")
 API_COJO_URL = ENV.fetch("API_COJO_URL", nil)
+API_RNF_URL = ENV.fetch("API_RNF_URL", "https://rnf.dso.numerique-interieur.com")
 HELPSCOUT_API_URL = ENV.fetch("HELPSCOUT_API_URL", "https://api.helpscout.net/v2")
 SENDINBLUE_API_URL = ENV.fetch("SENDINBLUE_API_URL", "https://in-automate.sendinblue.com/api/v2")
 SENDINBLUE_API_V3_URL = ENV.fetch("SENDINBLUE_API_V3_URL", "https://api.sendinblue.com/v3")
diff --git a/config/initializers/inflections.rb b/config/initializers/inflections.rb
index 850d1a9d547..6b101ffa203 100644
--- a/config/initializers/inflections.rb
+++ b/config/initializers/inflections.rb
@@ -14,6 +14,7 @@
   inflect.acronym 'IP'
   inflect.acronym 'JSON'
   inflect.acronym 'RNA'
+  inflect.acronym 'RNF'
   inflect.acronym 'URL'
   inflect.acronym 'SVA'
   inflect.acronym 'SVR'
diff --git a/config/locales/models/type_de_champ/en.yml b/config/locales/models/type_de_champ/en.yml
index 18e9e3f3fad..91899e67c80 100644
--- a/config/locales/models/type_de_champ/en.yml
+++ b/config/locales/models/type_de_champ/en.yml
@@ -48,6 +48,7 @@ en:
           yes_no_false: 'no'
           annuaire_education: 'Schooling directory'
           rna: 'RNA'
+          rnf: 'RNF'
           carte: 'Card'
           cnaf: 'Data from Caisse nationale des allocations familiales'
           dgfip: 'Data from Direction générale des Finances publiques'
diff --git a/config/locales/models/type_de_champ/fr.yml b/config/locales/models/type_de_champ/fr.yml
index 9e33a3eb373..0dbd10730f9 100644
--- a/config/locales/models/type_de_champ/fr.yml
+++ b/config/locales/models/type_de_champ/fr.yml
@@ -48,6 +48,7 @@ fr:
           yes_no_false: 'non'
           annuaire_education: 'Annuaire de l’éducation'
           rna: 'RNA'
+          rnf: 'RNF'
           carte: 'Carte'
           cnaf: 'Données de la Caisse nationale des allocations familiales'
           dgfip: 'Données de la Direction générale des Finances publiques'
diff --git a/config/locales/shared.en.yml b/config/locales/shared.en.yml
index cd59bdb0ef8..0d4d670c162 100644
--- a/config/locales/shared.en.yml
+++ b/config/locales/shared.en.yml
@@ -30,6 +30,9 @@ en:
           data_fetched: "This RNA number is linked to %{title}"
           not_found: "No association found"
           network_error: "A network error has prevented the association associated with this RNA to be fetched"
+      rnf:
+        show:
+          not_found: "RNF %{rnf} (no fondation found)"
       dgfip:
         show:
           not_filled: not filled
diff --git a/config/locales/shared.fr.yml b/config/locales/shared.fr.yml
index 2cd62ffd71b..4feb8936bf1 100644
--- a/config/locales/shared.fr.yml
+++ b/config/locales/shared.fr.yml
@@ -32,6 +32,9 @@ fr:
           data_fetched: "Ce RNA correspond à %{title}"
           not_found: "Aucun établissement trouvé"
           network_error: "Une erreur réseau a empêché l’association liée à ce RNA d’être trouvée"
+      rnf:
+        show:
+          not_found: "RNF %{rnf} (aucune fondation trouvée)"
       dgfip:
         show:
           not_filled: non renseigné
diff --git a/spec/factories/champ.rb b/spec/factories/champ.rb
index 304e51c89f6..889fd0a3b7b 100644
--- a/spec/factories/champ.rb
+++ b/spec/factories/champ.rb
@@ -243,6 +243,10 @@
       type_de_champ { association :type_de_champ_cojo, procedure: dossier.procedure }
     end
 
+    factory :champ_rnf, class: 'Champs::RNFChamp' do
+      type_de_champ { association :type_de_champ_rnf, procedure: dossier.procedure }
+    end
+
     factory :champ_expression_reguliere, class: 'Champs::ExpressionReguliereChamp' do
       type_de_champ { association :type_de_champ_expression_reguliere, procedure: dossier.procedure }
     end
diff --git a/spec/factories/type_de_champ.rb b/spec/factories/type_de_champ.rb
index 17cee985d4e..4d49abd7c93 100644
--- a/spec/factories/type_de_champ.rb
+++ b/spec/factories/type_de_champ.rb
@@ -187,6 +187,9 @@
     factory :type_de_champ_cojo do
       type_champ { TypeDeChamp.type_champs.fetch(:cojo) }
     end
+    factory :type_de_champ_rnf do
+      type_champ { TypeDeChamp.type_champs.fetch(:rnf) }
+    end
     factory :type_de_champ_repetition do
       type_champ { TypeDeChamp.type_champs.fetch(:repetition) }
 
diff --git a/spec/fixtures/files/api_rnf/invalid.json b/spec/fixtures/files/api_rnf/invalid.json
new file mode 100644
index 00000000000..9d956df9e93
--- /dev/null
+++ b/spec/fixtures/files/api_rnf/invalid.json
@@ -0,0 +1,6 @@
+{
+  "id":3,
+  "createdAt":"2023-09-07T13:26:10.358Z",
+  "updatedAt":"2023-09-07T13:26:10.358Z",
+  "rnfId": 750000301
+}
diff --git a/spec/fixtures/files/api_rnf/valid.json b/spec/fixtures/files/api_rnf/valid.json
new file mode 100644
index 00000000000..c8436b21444
--- /dev/null
+++ b/spec/fixtures/files/api_rnf/valid.json
@@ -0,0 +1,32 @@
+{
+  "id":3,
+  "createdAt":"2023-09-07T13:26:10.358Z",
+  "updatedAt":"2023-09-07T13:26:10.358Z",
+  "rnfId":"075-FDD-00003-01",
+  "type":"FDD",
+  "department":"75",
+  "title":"Fondation SFR",
+  "dissolvedAt":null,
+  "phone":"+33185060000",
+  "email":"fondation@sfr.fr",
+  "addressId":3,
+  "address": {
+    "id":3,
+    "createdAt":"2023-09-07T13:26:10.358Z",
+    "updatedAt":"2023-09-07T13:26:10.358Z",
+    "label":"16 Rue du Général de Boissieu 75015 Paris",
+    "type":"housenumber",
+    "streetAddress":"16 Rue du Général de Boissieu",
+    "streetNumber":"16",
+    "streetName":"Rue du Général de Boissieu",
+    "postalCode":"75015",
+    "cityName":"Paris",
+    "cityCode":"75115",
+    "departmentName":"Paris",
+    "departmentCode":"75",
+    "regionName":"Île-de-France",
+    "regionCode":"11"
+  },
+  "status":null,
+  "persons":[]
+}
diff --git a/spec/lib/tasks/deployment/20220705164551_remove_unused_champs_spec.rb b/spec/lib/tasks/deployment/20220705164551_remove_unused_champs_spec.rb
index a00707ba971..bdf1b78485a 100644
--- a/spec/lib/tasks/deployment/20220705164551_remove_unused_champs_spec.rb
+++ b/spec/lib/tasks/deployment/20220705164551_remove_unused_champs_spec.rb
@@ -14,9 +14,9 @@
 
   describe 'remove_unused_champs' do
     it "with bad champs" do
-      expect(Champ.where(dossier: dossier).count).to eq(42)
+      expect(Champ.where(dossier: dossier).count).to eq(43)
       run_task
-      expect(Champ.where(dossier: dossier).count).to eq(41)
+      expect(Champ.where(dossier: dossier).count).to eq(42)
     end
   end
 end
diff --git a/spec/models/champs/rnf_champ_spec.rb b/spec/models/champs/rnf_champ_spec.rb
new file mode 100644
index 00000000000..22c414f93be
--- /dev/null
+++ b/spec/models/champs/rnf_champ_spec.rb
@@ -0,0 +1,76 @@
+describe Champs::RNFChamp, type: :model do
+  let(:champ) { build(:champ_rnf, external_id:) }
+  let(:stub) { stub_request(:get, "#{url}/#{external_id}").to_return(body:, status:) }
+  let(:url) { RNFService.new.send(:url) }
+  let(:body) { Rails.root.join('spec', 'fixtures', 'files', 'api_rnf', "#{response_type}.json").read }
+  let(:external_id) { '075-FDD-00003-01' }
+  let(:status) { 200 }
+  let(:response_type) { 'valid' }
+
+  describe 'fetch_external_data' do
+    subject { stub; champ.fetch_external_data }
+
+    context 'success' do
+      it do
+        expect(subject.value!).to eq({
+          id: 3,
+          rnfId: '075-FDD-00003-01',
+          type: 'FDD',
+          department: '75',
+          title: 'Fondation SFR',
+          dissolvedAt: nil,
+          phone: '+33185060000',
+          email: 'fondation@sfr.fr',
+          addressId: 3,
+          createdAt: "2023-09-07T13:26:10.358Z",
+          updatedAt: "2023-09-07T13:26:10.358Z",
+          address: {
+            id: 3,
+            createdAt: "2023-09-07T13:26:10.358Z",
+            updatedAt: "2023-09-07T13:26:10.358Z",
+            label: "16 Rue du Général de Boissieu 75015 Paris",
+            type: "housenumber",
+            streetAddress: "16 Rue du Général de Boissieu",
+            streetNumber: "16",
+            streetName: "Rue du Général de Boissieu",
+            postalCode: "75015",
+            cityName: "Paris",
+            cityCode: "75115",
+            departmentName: "Paris",
+            departmentCode: "75",
+            regionName: "Île-de-France",
+            regionCode: "11"
+          },
+          status: nil,
+          persons: []
+        })
+      end
+    end
+
+    context 'failure (schema)' do
+      let(:response_type) { 'invalid' }
+      it {
+        expect(subject.failure.retryable).to be_falsey
+        expect(subject.failure.reason).to be_a(API::Client::SchemaError)
+      }
+    end
+
+    context 'failure (http 500)' do
+      let(:status) { 500 }
+      let(:response_type) { 'invalid' }
+      it {
+        expect(subject.failure.retryable).to be_truthy
+        expect(subject.failure.reason).to be_a(API::Client::HTTPError)
+      }
+    end
+
+    context 'failure (http 401)' do
+      let(:status) { 401 }
+      let(:response_type) { 'invalid' }
+      it {
+        expect(subject.failure.retryable).to be_falsey
+        expect(subject.failure.reason).to be_a(API::Client::HTTPError)
+      }
+    end
+  end
+end
diff --git a/spec/services/procedure_export_service_spec.rb b/spec/services/procedure_export_service_spec.rb
index ca2f0918463..2b758b437c6 100644
--- a/spec/services/procedure_export_service_spec.rb
+++ b/spec/services/procedure_export_service_spec.rb
@@ -90,7 +90,8 @@
           "epci (Code)",
           "epci (Département)",
           "cojo",
-          "expression_reguliere"
+          "expression_reguliere",
+          "rnf"
         ]
       end
 
@@ -202,7 +203,8 @@
           "epci (Code)",
           "epci (Département)",
           "cojo",
-          "expression_reguliere"
+          "expression_reguliere",
+          "rnf"
         ]
       end
 
@@ -297,7 +299,8 @@
             "epci (Code)",
             "epci (Département)",
             "cojo",
-            "expression_reguliere"
+            "expression_reguliere",
+            "rnf"
           ]
         end