diff --git a/spec/requests/api/article_categories_spec.rb b/spec/requests/api/article_categories_spec.rb
index 68467241..937f2690 100644
--- a/spec/requests/api/article_categories_spec.rb
+++ b/spec/requests/api/article_categories_spec.rb
@@ -33,7 +33,7 @@ describe 'Article Categories', type: :request do
     get 'find article category by id' do
       tags 'Category'
       produces 'application/json'
-      parameter name: :id, in: :path, type: :string
+      id_url_param
 
       response '200', 'article category found' do
         schema type: :object, properties: {
diff --git a/spec/requests/api/financial_transaction_classes_spec.rb b/spec/requests/api/financial_transaction_classes_spec.rb
index 8b62a721..9e0bd1a6 100644
--- a/spec/requests/api/financial_transaction_classes_spec.rb
+++ b/spec/requests/api/financial_transaction_classes_spec.rb
@@ -35,7 +35,7 @@ describe 'Financial Transaction Classes', type: :request do
     get 'Retrieves a financial transaction class' do
       tags 'Category'
       produces 'application/json'
-      parameter name: :id, in: :path, type: :string
+      id_url_param
 
       response '200', 'financial transaction class found' do
         schema type: :object, properties: {
diff --git a/spec/requests/api/financial_transaction_types_spec.rb b/spec/requests/api/financial_transaction_types_spec.rb
index 2e737f7e..94caacf4 100644
--- a/spec/requests/api/financial_transaction_types_spec.rb
+++ b/spec/requests/api/financial_transaction_types_spec.rb
@@ -33,7 +33,7 @@ describe 'Financial Transaction types', type: :request do
     get 'find financial transaction type by id' do
       tags 'Category'
       produces 'application/json'
-      parameter name: :id, in: :path, type: :string
+      id_url_param
 
       response '200', 'financial transaction type found' do
         schema type: :object, properties: {
diff --git a/spec/requests/api/financial_transactions_spec.rb b/spec/requests/api/financial_transactions_spec.rb
index b3f3a85d..aa9afaeb 100644
--- a/spec/requests/api/financial_transactions_spec.rb
+++ b/spec/requests/api/financial_transactions_spec.rb
@@ -37,7 +37,7 @@ describe 'Financial Transaction', type: :request do
     get 'Retrieves a financial transaction ' do
       tags 'Financial Transaction'
       produces 'application/json'
-      parameter name: :id, in: :path, type: :string
+      id_url_param
 
       response '200', 'financial transaction found' do
         schema type: :object, properties: {
diff --git a/spec/requests/api/order_articles_spec.rb b/spec/requests/api/order_articles_spec.rb
index 50774110..88c68b0a 100644
--- a/spec/requests/api/order_articles_spec.rb
+++ b/spec/requests/api/order_articles_spec.rb
@@ -105,7 +105,7 @@ describe 'Order Articles', type: :request do
     get 'order articles' do
       tags 'Order'
       produces 'application/json'
-      parameter name: 'id', in: :path, type: :integer, minimum: 1, required: true
+      id_url_param
       let(:api_scopes) { ['orders:read', 'orders:write'] }
 
       response '200', 'success' do
diff --git a/spec/requests/api/orders_spec.rb b/spec/requests/api/orders_spec.rb
index 43f546a3..05eea3e2 100644
--- a/spec/requests/api/orders_spec.rb
+++ b/spec/requests/api/orders_spec.rb
@@ -39,7 +39,8 @@ describe 'Orders', type: :request do
     get 'Order' do
       tags 'Order'
       produces 'application/json'
-      parameter name: 'id', in: :path, type: :integer, minimum: 1, required: true
+      id_url_param
+
       let(:order) { create(:order) }
       let(:id) { order.id }
 
diff --git a/spec/requests/api/user/financial_transactions_spec.rb b/spec/requests/api/user/financial_transactions_spec.rb
index a0dad6ff..1eca1895 100644
--- a/spec/requests/api/user/financial_transactions_spec.rb
+++ b/spec/requests/api/user/financial_transactions_spec.rb
@@ -88,7 +88,7 @@ describe 'User', type: :request do
     get 'find financial transaction by id' do
       tags 'User', 'Financial Transaction'
       produces 'application/json'
-      parameter name: :id, in: :path, type: :string
+      id_url_param
 
       response '200', 'success' do
         schema type: :object, properties: {
diff --git a/spec/requests/api/user/group_order_articles_spec.rb b/spec/requests/api/user/group_order_articles_spec.rb
index 55e44dd1..e451fb10 100644
--- a/spec/requests/api/user/group_order_articles_spec.rb
+++ b/spec/requests/api/user/group_order_articles_spec.rb
@@ -107,9 +107,8 @@ describe 'User', type: :request do
     get 'find group order article by id' do
       tags 'User', 'GroupOrderArticle'
       produces 'application/json'
-      parameter name: :id, in: :path, type: :string
+      id_url_param
 
-      let(:id) { goa.id }
       response '200', 'success' do
         schema type: :object, properties: {
           group_order_article: {
@@ -119,6 +118,7 @@ describe 'User', type: :request do
             }
           }
         }
+        let(:id) { goa.id }
         run_test! do |response|
           data = JSON.parse(response.body)
           expect(data['group_order_article']['id']).to eq(goa.id)
@@ -155,7 +155,7 @@ describe 'User', type: :request do
       tags 'User', 'GroupOrderArticle'
       consumes 'application/json'
       produces 'application/json'
-      parameter name: :id, in: :path, type: :string
+      id_url_param
 
       parameter name: :group_order_article, in: :body, schema: {
         type: :object,
@@ -219,11 +219,9 @@ describe 'User', type: :request do
       tags 'User', 'Order'
       consumes 'application/json'
       produces 'application/json'
+      id_url_param
       let(:api_scopes) { ['group_orders:user'] }
 
-      parameter name: :id, in: :path, type: :string
-
-      let(:id) { goa.id }
       response '200', 'success' do
         schema type: :object, properties: {
           group_order_article: {
@@ -233,6 +231,7 @@ describe 'User', type: :request do
             }
           }
         }
+        let(:id) { goa.id }
         run_test!
       end
 
diff --git a/spec/support/api_helper.rb b/spec/support/api_helper.rb
index 0c8c83d5..233f6584 100644
--- a/spec/support/api_helper.rb
+++ b/spec/support/api_helper.rb
@@ -67,5 +67,9 @@ module ApiHelper
       it_handles_invalid_token(*args)
       it_handles_invalid_scope(*args)
     end
+
+    def self.id_url_param
+      parameter name: :id, in: :path, type: :integer, required: true
+    end
   end
 end