diff --git a/app/mailers/application_mailer.rb b/app/mailers/application_mailer.rb
index 9269a1102..9366174ef 100644
--- a/app/mailers/application_mailer.rb
+++ b/app/mailers/application_mailer.rb
@@ -1,4 +1,15 @@
 class ApplicationMailer < ActionMailer::Base
   append_view_path Rails.root.join('app', 'views', 'mailers')
   layout 'mailer'
-end
\ No newline at end of file
+
+  def registrant_confirm_url(domain:, method:)
+    token = domain.registrant_verification_token
+    base_url = ENV['registrant_portal_verifications_base_url']
+
+    url = registrant_domain_delete_confirm_url(domain, token: token) if method == 'delete'
+    url ||= registrant_domain_update_confirm_url(domain, token: token)
+    return url if base_url.blank?
+
+    "#{base_url}/confirms/#{domain.name_puny}/#{method}/#{token}"
+  end
+end
diff --git a/app/mailers/domain_delete_mailer.rb b/app/mailers/domain_delete_mailer.rb
index 8e2b1a341..8c0e830b1 100644
--- a/app/mailers/domain_delete_mailer.rb
+++ b/app/mailers/domain_delete_mailer.rb
@@ -6,7 +6,7 @@ class DomainDeleteMailer < ApplicationMailer
   def confirmation_request(domain:, registrar:, registrant:)
     @domain = DomainPresenter.new(domain: domain, view: view_context)
     @registrar = RegistrarPresenter.new(registrar: registrar, view: view_context)
-    @confirmation_url = confirmation_url(domain)
+    @confirmation_url = registrant_confirm_url(domain: domain, method: 'delete')
 
     subject = default_i18n_subject(domain_name: domain.name)
     mail(to: registrant.email, subject: subject)
@@ -52,15 +52,6 @@ class DomainDeleteMailer < ApplicationMailer
 
   private
 
-  def confirmation_url(domain)
-    base_url = ENV['registrant_portal_verifications_base_url']
-    if base_url.blank?
-      registrant_domain_delete_confirm_url(domain, token: domain.registrant_verification_token)
-    else
-      "#{base_url}/confirmation/#{domain.name_puny}/delete/#{domain.registrant_verification_token}"
-    end
-  end
-
   def forced_email_from
     ENV['action_mailer_force_delete_from'] || self.class.default[:from]
   end
diff --git a/app/mailers/registrant_change_mailer.rb b/app/mailers/registrant_change_mailer.rb
index 3e97f4b86..8f43f4ab5 100644
--- a/app/mailers/registrant_change_mailer.rb
+++ b/app/mailers/registrant_change_mailer.rb
@@ -5,7 +5,7 @@ class RegistrantChangeMailer < ApplicationMailer
     @domain = DomainPresenter.new(domain: domain, view: view_context)
     @registrar = RegistrarPresenter.new(registrar: registrar, view: view_context)
     @new_registrant = RegistrantPresenter.new(registrant: new_registrant, view: view_context)
-    @confirmation_url = confirmation_url(domain)
+    @confirmation_url = registrant_confirm_url(domain: domain, method: 'change')
 
     subject = default_i18n_subject(domain_name: domain.name)
     mail(to: current_registrant.email, subject: subject)
@@ -49,15 +49,6 @@ class RegistrantChangeMailer < ApplicationMailer
 
   private
 
-  def confirmation_url(domain)
-    base_url = ENV['registrant_portal_verifications_base_url']
-    if base_url.blank?
-      registrant_domain_update_confirm_url(domain, token: domain.registrant_verification_token)
-    else
-      "#{base_url}/confirmation/#{domain.name_puny}/change/#{domain.registrant_verification_token}"
-    end
-  end
-
   def address_processing
     Contact.address_processing?
   end
diff --git a/test/integration/api/registrant/registrant_api_verifications_test.rb b/test/integration/api/registrant/registrant_api_verifications_test.rb
index b2333e560..821d0dee0 100644
--- a/test/integration/api/registrant/registrant_api_verifications_test.rb
+++ b/test/integration/api/registrant/registrant_api_verifications_test.rb
@@ -8,17 +8,22 @@ class RegistrantApiVerificationsTest < ApplicationIntegrationTest
     @domain = domains(:hospital)
     @registrant = @domain.registrant
     @new_registrant = contacts(:jack)
+    @user = users(:api_bestnames)
 
     @token = 'verysecrettoken'
 
-    @domain.update(statuses: [DomainStatus::PENDING_UPDATE],
+    @domain.update!(statuses: [DomainStatus::PENDING_UPDATE],
       registrant_verification_asked_at: Time.zone.now - 1.day,
       registrant_verification_token: @token)
 
   end
 
   def test_fetches_registrant_change_request
-    pending_json = { new_registrant_id: @new_registrant.id }
+    pending_json = { new_registrant_id: @new_registrant.id,
+      new_registrant_name: @new_registrant.name,
+      new_registrant_email: @new_registrant.email,
+      current_user_id: @user.id }
+
     @domain.update(pending_json: pending_json)
     @domain.reload
 
@@ -46,31 +51,40 @@ class RegistrantApiVerificationsTest < ApplicationIntegrationTest
   end
 
   def test_approves_registrant_change_request
-    pending_json = { new_registrant_id: @new_registrant.id }
-    @domain.update(pending_json: pending_json)
+  pending_json = { new_registrant_id: @new_registrant.id,
+    new_registrant_name: @new_registrant.name,
+    new_registrant_email: @new_registrant.email,
+    current_user_id: @user.id }
+
+    @domain.update!(pending_json: pending_json)
     @domain.reload
 
     assert @domain.registrant_update_confirmable?(@token)
 
-    post "/api/v1/registrant/confirms/#{@domain.name_puny}/change/#{@token}/confirmed"
-    assert_equal(200, response.status)
+    perform_enqueued_jobs do
+      post "/api/v1/registrant/confirms/#{@domain.name_puny}/change/#{@token}/confirmed"
+      assert_equal(200, response.status)
 
-    res = JSON.parse(response.body, symbolize_names: true)
-    expected_body = {
-      domain_name: @domain.name,
-      current_registrant: {
-        name: @new_registrant.name,
-        ident: @new_registrant.ident,
-        country: @new_registrant.ident_country_code
-      },
-      status: 'confirmed'
-    }
-
-    assert_equal expected_body, res
+      res = JSON.parse(response.body, symbolize_names: true)
+      expected_body = {
+        domain_name: @domain.name,
+        current_registrant: {
+          name: @new_registrant.name,
+          ident: @new_registrant.ident,
+          country: @new_registrant.ident_country_code
+        },
+        status: 'confirmed'
+      }
+      assert_equal expected_body, res
+    end
   end
 
   def test_rejects_registrant_change_request
-    pending_json = { new_registrant_id: @new_registrant.id }
+    pending_json = { new_registrant_id: @new_registrant.id,
+      new_registrant_name: @new_registrant.name,
+      new_registrant_email: @new_registrant.email,
+      current_user_id: @user.id }
+
     @domain.update(pending_json: pending_json)
     @domain.reload
 
@@ -94,7 +108,11 @@ class RegistrantApiVerificationsTest < ApplicationIntegrationTest
   end
 
   def test_registrant_change_requires_valid_attributes
-    pending_json = { new_registrant_id: @new_registrant.id }
+  pending_json = { new_registrant_id: @new_registrant.id,
+    new_registrant_name: @new_registrant.name,
+    new_registrant_email: @new_registrant.email,
+    current_user_id: @user.id }
+
     @domain.update(pending_json: pending_json)
     @domain.reload
 
@@ -109,7 +127,12 @@ class RegistrantApiVerificationsTest < ApplicationIntegrationTest
   end
 
   def test_fetches_domain_delete_request
-    @domain.update(statuses: [DomainStatus::PENDING_DELETE_CONFIRMATION])
+    pending_json = { new_registrant_id: @new_registrant.id,
+    new_registrant_name: @new_registrant.name,
+    new_registrant_email: @new_registrant.email,
+    current_user_id: @user.id }
+
+    @domain.update(pending_json: pending_json, statuses: [DomainStatus::PENDING_DELETE_CONFIRMATION])
     @domain.reload
 
     assert @domain.registrant_delete_confirmable?(@token)
@@ -131,8 +154,13 @@ class RegistrantApiVerificationsTest < ApplicationIntegrationTest
   end
 
   def test_approves_domain_delete_request
-    @domain.update(statuses: [DomainStatus::PENDING_DELETE_CONFIRMATION])
-    @domain.reload
+    pending_json = { new_registrant_id: @new_registrant.id,
+      new_registrant_name: @new_registrant.name,
+      new_registrant_email: @new_registrant.email,
+      current_user_id: @user.id }
+
+      @domain.update(pending_json: pending_json, statuses: [DomainStatus::PENDING_DELETE_CONFIRMATION])
+      @domain.reload
 
     assert @domain.registrant_delete_confirmable?(@token)
 
@@ -154,8 +182,13 @@ class RegistrantApiVerificationsTest < ApplicationIntegrationTest
   end
 
   def test_rejects_domain_delete_request
-    @domain.update(statuses: [DomainStatus::PENDING_DELETE_CONFIRMATION])
-    @domain.reload
+    pending_json = { new_registrant_id: @new_registrant.id,
+      new_registrant_name: @new_registrant.name,
+      new_registrant_email: @new_registrant.email,
+      current_user_id: @user.id }
+
+      @domain.update(pending_json: pending_json, statuses: [DomainStatus::PENDING_DELETE_CONFIRMATION])
+      @domain.reload
 
     assert @domain.registrant_delete_confirmable?(@token)
 
@@ -177,7 +210,12 @@ class RegistrantApiVerificationsTest < ApplicationIntegrationTest
   end
 
   def test_domain_delete_requires_valid_attributes
-    @domain.update(statuses: [DomainStatus::PENDING_DELETE_CONFIRMATION, DomainStatus::PENDING_DELETE])
+    pending_json = { new_registrant_id: @new_registrant.id,
+      new_registrant_name: @new_registrant.name,
+      new_registrant_email: @new_registrant.email,
+      current_user_id: @user.id }
+
+    @domain.update(pending_json: pending_json, statuses: [DomainStatus::PENDING_DELETE_CONFIRMATION])
     @domain.reload
 
     get "/api/v1/registrant/confirms/#{@domain.name_puny}/delete/123"