diff --git a/specs/contacts.openapi.yml b/specs/contacts.openapi.yml
index 4be4b0f..9cc8a97 100644
--- a/specs/contacts.openapi.yml
+++ b/specs/contacts.openapi.yml
@@ -499,7 +499,7 @@ paths:
           source: |
             require 'mailtrap'
             client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            contacts = Mailtrap::ContactsAPI.new(12345, client)
+            contacts = Mailtrap::ContactsAPI.new(YOUR_ACCOUNT_ID, client)
             updated = contacts.upsert("contact_id", email: "new@example.com", fields: { first_name: "John" })
         - lang: csharp
           label: C#
@@ -610,7 +610,7 @@ paths:
           source: |
             require 'mailtrap'
             client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            contacts = Mailtrap::ContactsAPI.new(12345, client)
+            contacts = Mailtrap::ContactsAPI.new(YOUR_ACCOUNT_ID, client)
             contacts.delete("contact_id")
         - lang: csharp
           label: C#
@@ -698,13 +698,6 @@ paths:
             client = mt.MailtrapClient(token="YOUR_API_KEY", account_id=YOUR_ACCOUNT_ID)
             event = client.contacts_api.contacts.create_event("contact_id", name="UserLogin", params={"user_id": 101, "is_active": True})
             print(event)
-        - lang: ruby
-          label: Ruby
-          source: |
-            require 'mailtrap'
-            client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            contacts = Mailtrap::ContactsAPI.new(12345, client)
-            event = contacts.create_event("contact_id", name: "UserLogin", params: { user_id: 101, is_active: true })
         - lang: csharp
           label: C#
           source: |
@@ -810,13 +803,6 @@ paths:
             client = mt.MailtrapClient(token="YOUR_API_KEY", account_id=YOUR_ACCOUNT_ID)
             export_job = client.contacts_api.exports.create(filters=[{"name": "list_id", "operator": "equal", "value": [1, 2]}])
             print(f"Export started: {export_job.id}")
-        - lang: ruby
-          label: Ruby
-          source: |
-            require 'mailtrap'
-            client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            exports = Mailtrap::ContactExportsAPI.new(12345, client)
-            export_job = exports.create(filters: [{ name: "list_id", operator: "equal", value: [1, 2] }])
         - lang: csharp
           label: C#
           source: |
@@ -917,13 +903,6 @@ paths:
             client = mt.MailtrapClient(token="YOUR_API_KEY", account_id=YOUR_ACCOUNT_ID)
             export_status = client.contacts_api.exports.get(export_id)
             print(f"Status: {export_status.status}, URL: {export_status.url}")
-        - lang: ruby
-          label: Ruby
-          source: |
-            require 'mailtrap'
-            client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            exports = Mailtrap::ContactExportsAPI.new(12345, client)
-            export_status = exports.get(export_id)
         - lang: csharp
           label: C#
           source: |
@@ -1040,8 +1019,8 @@ paths:
           source: |
             require 'mailtrap'
             client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            imports = Mailtrap::ContactImportsAPI.new(12345, client)
-            import_job = imports.create(contacts: [
+            imports = Mailtrap::ContactImportsAPI.new(YOUR_ACCOUNT_ID, client)
+            import_job = imports.create([
               { email: "user1@example.com", fields: { first_name: "John" }, list_ids_included: [1, 2] }
             ])
         - lang: csharp
@@ -1151,7 +1130,7 @@ paths:
           source: |
             require 'mailtrap'
             client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            imports = Mailtrap::ContactImportsAPI.new(12345, client)
+            imports = Mailtrap::ContactImportsAPI.new(YOUR_ACCOUNT_ID, client)
             import_status = imports.get(import_id)
         - lang: csharp
           label: C#
@@ -1244,8 +1223,8 @@ paths:
           source: |
             require 'mailtrap'
             client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            lists = Mailtrap::ContactListsAPI.new(12345, client)
-            all_lists = lists.get_all
+            lists = Mailtrap::ContactListsAPI.new(YOUR_ACCOUNT_ID, client)
+            all_lists = lists.list
         - lang: csharp
           label: C#
           source: |
@@ -1328,7 +1307,7 @@ paths:
           source: |
             require 'mailtrap'
             client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            lists = Mailtrap::ContactListsAPI.new(12345, client)
+            lists = Mailtrap::ContactListsAPI.new(YOUR_ACCOUNT_ID, client)
             new_list = lists.create(name: "Customers")
         - lang: csharp
           label: C#
@@ -1419,7 +1398,7 @@ paths:
           source: |
             require 'mailtrap'
             client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            lists = Mailtrap::ContactListsAPI.new(12345, client)
+            lists = Mailtrap::ContactListsAPI.new(YOUR_ACCOUNT_ID, client)
             list = lists.get(list_id)
         - lang: csharp
           label: C#
@@ -1494,7 +1473,7 @@ paths:
           source: |
             require 'mailtrap'
             client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            lists = Mailtrap::ContactListsAPI.new(12345, client)
+            lists = Mailtrap::ContactListsAPI.new(YOUR_ACCOUNT_ID, client)
             lists.update(list_id, name: "Former Customers")
         - lang: csharp
           label: C#
@@ -1582,7 +1561,7 @@ paths:
           source: |
             require 'mailtrap'
             client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            lists = Mailtrap::ContactListsAPI.new(12345, client)
+            lists = Mailtrap::ContactListsAPI.new(YOUR_ACCOUNT_ID, client)
             lists.delete(list_id)
         - lang: csharp
           label: C#
@@ -1659,8 +1638,8 @@ paths:
           source: |
             require 'mailtrap'
             client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            fields = Mailtrap::ContactFieldsAPI.new(12345, client)
-            all_fields = fields.get_all
+            fields = Mailtrap::ContactFieldsAPI.new(YOUR_ACCOUNT_ID, client)
+            all_fields = fields.list
         - lang: csharp
           label: C#
           source: |
@@ -1748,7 +1727,7 @@ paths:
           source: |
             require 'mailtrap'
             client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            fields = Mailtrap::ContactFieldsAPI.new(12345, client)
+            fields = Mailtrap::ContactFieldsAPI.new(YOUR_ACCOUNT_ID, client)
             new_field = fields.create(name: "Company", data_type: "text", merge_tag: "company")
         - lang: csharp
           label: C#
@@ -1872,7 +1851,7 @@ paths:
           source: |
             require 'mailtrap'
             client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            fields = Mailtrap::ContactFieldsAPI.new(12345, client)
+            fields = Mailtrap::ContactFieldsAPI.new(YOUR_ACCOUNT_ID, client)
             field = fields.get(field_id)
         - lang: csharp
           label: C#
@@ -1950,7 +1929,7 @@ paths:
           source: |
             require 'mailtrap'
             client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            fields = Mailtrap::ContactFieldsAPI.new(12345, client)
+            fields = Mailtrap::ContactFieldsAPI.new(YOUR_ACCOUNT_ID, client)
             fields.update(field_id, name: "Updated Name", merge_tag: "updated_name")
         - lang: csharp
           label: C#
@@ -2061,7 +2040,7 @@ paths:
           source: |
             require 'mailtrap'
             client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            fields = Mailtrap::ContactFieldsAPI.new(12345, client)
+            fields = Mailtrap::ContactFieldsAPI.new(YOUR_ACCOUNT_ID, client)
             fields.delete(field_id)
         - lang: csharp
           label: C#
diff --git a/specs/email-api.openapi.yml b/specs/email-api.openapi.yml
index 4d7fa46..5dc1439 100644
--- a/specs/email-api.openapi.yml
+++ b/specs/email-api.openapi.yml
@@ -107,19 +107,6 @@ paths:
             domain = client.sending_domains_api.sending_domains.create(params)
 
             print(f"Created domain: {domain}")
-        - lang: ruby
-          label: Ruby
-          source: |
-            require 'mailtrap'
-
-            client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            sending_domains = Mailtrap::SendingDomainsAPI.new(
-              YOUR_ACCOUNT_ID,
-              client
-            )
-
-            domain = sending_domains.create(domain_name: 'example.com')
-            puts domain
         - lang: csharp
           label: .NET
           source: |
@@ -253,21 +240,6 @@ paths:
 
             for domain in domains:
                 print(f"Domain: {domain.domain_name}, Verified: {domain.dns_verified}")
-        - lang: ruby
-          label: Ruby
-          source: |
-            require 'mailtrap'
-
-            client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            sending_domains = Mailtrap::SendingDomainsAPI.new(
-              YOUR_ACCOUNT_ID,
-              client
-            )
-
-            domains = sending_domains.list
-            domains.each do |domain|
-              puts "Domain: #{domain.domain_name}"
-            end
         - lang: csharp
           label: .NET
           source: |
@@ -372,21 +344,6 @@ paths:
 
             print(f"Domain: {domain.domain_name}")
             print(f"DNS Verified: {domain.dns_verified}")
-        - lang: ruby
-          label: Ruby
-          source: |
-            require 'mailtrap'
-
-            client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            sending_domains = Mailtrap::SendingDomainsAPI.new(
-              YOUR_ACCOUNT_ID,
-              client
-            )
-
-            domain_id = 12345
-            domain = sending_domains.get(domain_id)
-
-            puts "Domain: #{domain.domain_name}"
         - lang: csharp
           label: .NET
           source: |
@@ -487,21 +444,6 @@ paths:
             client.sending_domains_api.sending_domains.delete(domain_id)
 
             print("Domain deleted successfully")
-        - lang: ruby
-          label: Ruby
-          source: |
-            require 'mailtrap'
-
-            client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            sending_domains = Mailtrap::SendingDomainsAPI.new(
-              YOUR_ACCOUNT_ID,
-              client
-            )
-
-            domain_id = 12345
-            sending_domains.delete(domain_id)
-
-            puts "Domain deleted successfully"
         - lang: csharp
           label: .NET
           source: |
@@ -614,24 +556,6 @@ paths:
             )
 
             print("Setup instructions sent")
-        - lang: ruby
-          label: Ruby
-          source: |
-            require 'mailtrap'
-
-            client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            sending_domains = Mailtrap::SendingDomainsAPI.new(
-              YOUR_ACCOUNT_ID,
-              client
-            )
-
-            domain_id = 12345
-            sending_domains.send_setup_instructions(
-              domain_id,
-              'devops@example.com'
-            )
-
-            puts "Setup instructions sent"
         - lang: csharp
           label: .NET
           source: |
@@ -1045,8 +969,8 @@ paths:
           source: |
             require 'mailtrap'
             client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            templates = Mailtrap::EmailTemplatesAPI.new(12345, client)
-            all_templates = templates.get_all
+            templates = Mailtrap::EmailTemplatesAPI.new(YOUR_ACCOUNT_ID, client)
+            all_templates = templates.list
         - lang: csharp
           label: .NET
           source: |
@@ -1150,7 +1074,7 @@ paths:
           source: |
             require 'mailtrap'
             client = Mailtrap::Client.new(api_key: 'YOUR_API_TOKEN')
-            templates = Mailtrap::EmailTemplatesAPI.new(account_id, client)
+            templates = Mailtrap::EmailTemplatesAPI.new(YOUR_ACCOUNT_ID, client)
             template = templates.create(
               name: 'Welcome Email',
               subject: 'Welcome to {{company_name}}!',
@@ -1242,6 +1166,17 @@ paths:
             const client = new MailtrapClient({ token: "YOUR_API_KEY", accountId: YOUR_ACCOUNT_ID });
             const template = await client.templates.get(templateId);
             console.log(`Template: ${template.name} (UUID: ${template.uuid})`);
+        - lang: ruby
+          label: Ruby
+          source: |
+            require 'mailtrap'
+
+            client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
+            templates = Mailtrap::EmailTemplatesAPI.new(
+              YOUR_ACCOUNT_ID,
+              client
+            )
+            template = templates.get(template_id)
         - lang: php
           label: PHP
           source: |
@@ -1290,6 +1225,17 @@ paths:
             const { MailtrapClient } = require("mailtrap");
             const client = new MailtrapClient({ token: "YOUR_API_KEY", accountId: YOUR_ACCOUNT_ID });
             const template = await client.templates.update(templateId, { name: "Updated Template", subject: "New Subject" });
+        - lang: ruby
+          label: Ruby
+          source: |
+            require 'mailtrap'
+
+            client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
+            templates = Mailtrap::EmailTemplatesAPI.new(
+              YOUR_ACCOUNT_ID,
+              client
+            )
+            templates.update(EMAIL_TEMPLATE_ID, name: 'Welcome Updated')
         - lang: php
           label: PHP
           source: |
@@ -1362,6 +1308,17 @@ paths:
             const { MailtrapClient } = require("mailtrap");
             const client = new MailtrapClient({ token: "YOUR_API_KEY", accountId: YOUR_ACCOUNT_ID });
             await client.templates.delete(templateId);
+        - lang: ruby
+          label: Ruby
+          source: |
+            require 'mailtrap'
+
+            client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
+            templates = Mailtrap::EmailTemplatesAPI.new(
+              YOUR_ACCOUNT_ID,
+              client
+            )
+            templates.delete(EMAIL_TEMPLATE_ID)
         - lang: php
           label: PHP
           source: |
diff --git a/specs/general.openapi.yml b/specs/general.openapi.yml
index 2b646f7..7fe47c4 100644
--- a/specs/general.openapi.yml
+++ b/specs/general.openapi.yml
@@ -218,20 +218,6 @@ paths:
                 print(f"Account: {account.name}")
                 print(f"ID: {account.id}")
                 print(f"Access Level: {account.access_levels[0]}")
-        - lang: ruby
-          label: Ruby
-          source: |
-            require 'mailtrap'
-
-            client = Mailtrap::Client.new(api_key: 'YOUR_API_TOKEN')
-
-            accounts = client.accounts.list
-
-            accounts.each do |account|
-              puts "Account: #{account.name}"
-              puts "ID: #{account.id}"
-              puts "Access Level: #{account.access_levels[0]}"
-            end
         - lang: csharp
           label: .NET
           source: |
@@ -337,12 +323,6 @@ paths:
             accesses = client.general_api.account_accesses.get_all()
             for access in accesses:
                 print(f"User: {access.specifier.email}, Level: {access.permission_level}")
-        - lang: ruby
-          label: Ruby
-          source: |
-            require 'mailtrap'
-            client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            accesses = Mailtrap::AccountAccessesAPI.new(12345, client).get_all
         - lang: csharp
           label: C#
           source: |
@@ -442,12 +422,6 @@ paths:
             import mailtrap as mt
             client = mt.MailtrapClient(token="YOUR_API_KEY", account_id=YOUR_ACCOUNT_ID)
             client.general_api.account_accesses.delete(access_id)
-        - lang: ruby
-          label: Ruby
-          source: |
-            require 'mailtrap'
-            client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            Mailtrap::AccountAccessesAPI.new(12345, client).delete(access_id)
         - lang: csharp
           label: C#
           source: |
@@ -553,14 +527,6 @@ paths:
             client.general_api.permissions.bulk_update(access_id, permissions=[
                 {"resource_id": "3281", "resource_type": "account", "access_level": "viewer"}
             ])
-        - lang: ruby
-          label: Ruby
-          source: |
-            require 'mailtrap'
-            client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            Mailtrap::PermissionsAPI.new(12345, client).bulk_update(access_id, permissions: [
-              { resource_id: "3281", resource_type: "account", access_level: "viewer" }
-            ])
         - lang: csharp
           label: C#
           source: |
@@ -699,12 +665,6 @@ paths:
             client = mt.MailtrapClient(token="YOUR_API_KEY", account_id=YOUR_ACCOUNT_ID)
             resources = client.general_api.permissions.get_resources()
             print(resources)
-        - lang: ruby
-          label: Ruby
-          source: |
-            require 'mailtrap'
-            client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            resources = Mailtrap::PermissionsAPI.new(12345, client).get_resources
         - lang: csharp
           label: C#
           source: |
@@ -813,12 +773,6 @@ paths:
             client = mt.MailtrapClient(token="YOUR_API_KEY", account_id=YOUR_ACCOUNT_ID)
             usage = client.general_api.billing.get_usage()
             print(f"Sandbox sent: {usage.testing.usage.sent_messages_count.current}/{usage.testing.usage.sent_messages_count.limit}")
-        - lang: ruby
-          label: Ruby
-          source: |
-            require 'mailtrap'
-            client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            usage = Mailtrap::BillingAPI.new(12345, client).get_usage
         - lang: csharp
           label: C#
           source: |
diff --git a/specs/sandbox.openapi.yml b/specs/sandbox.openapi.yml
index b65791a..57d5e97 100644
--- a/specs/sandbox.openapi.yml
+++ b/specs/sandbox.openapi.yml
@@ -166,10 +166,13 @@ paths:
             require 'mailtrap'
 
             client = Mailtrap::Client.new(api_key: 'YOUR_API_TOKEN')
-
-            project = client.sandbox.projects.create(
-              account_id: account_id,
-              name: 'My New Project'
+            projects = Mailtrap::ProjectsAPI.new(
+              YOUR_ACCOUNT_ID,
+              client
+            )
+            
+            project = projects.create(
+              name: 'Example Project'
             )
 
             puts project
@@ -284,10 +287,14 @@ paths:
             require 'mailtrap'
 
             client = Mailtrap::Client.new(api_key: 'YOUR_API_TOKEN')
+            projects = Mailtrap::ProjectsAPI.new(
+              YOUR_ACCOUNT_ID,
+              client
+            )
 
-            projects = client.sandbox.projects.list(account_id: account_id)
+            all_projects = projects.list
 
-            projects.each do |project|
+            all_projects.each do |project|
               puts "Project: #{project.name}, ID: #{project.id}"
             end
         - lang: csharp
@@ -809,21 +816,6 @@ paths:
 
             print(f"Inbox created: {inbox.name}")
             print(f"SMTP credentials - User: {inbox.username}")
-        - lang: ruby
-          label: Ruby
-          source: |
-            require 'mailtrap'
-
-            client = Mailtrap::Client.new(api_key: 'YOUR_API_TOKEN')
-
-            inbox = client.sandbox.inboxes.create(
-              account_id: account_id,
-              project_id: project_id,
-              name: 'My Test Inbox'
-            )
-
-            puts "Inbox created: #{inbox.name}"
-            puts "SMTP credentials - User: #{inbox.username}"
         - lang: csharp
           label: .NET
           source: |
@@ -939,21 +931,6 @@ paths:
             inbox_attributes = inboxes_api.get_by_id(inbox_id)
 
             print(inbox_attributes)
-        - lang: ruby
-          label: Ruby
-          source: |
-            require 'mailtrap'
-
-            client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            inboxes = Mailtrap::InboxesAPI.new(
-              YOUR_ACCOUNT_ID,
-              client
-            )
-
-            inbox_id = 12345
-            inbox_attributes = inboxes.get_inbox_attributes(inbox_id)
-
-            puts inbox_attributes
         - lang: csharp
           label: .NET
           source: |
@@ -1052,21 +1029,6 @@ paths:
             result = inboxes_api.delete(inbox_id)
 
             print(result)
-        - lang: ruby
-          label: Ruby
-          source: |
-            require 'mailtrap'
-
-            client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            inboxes = Mailtrap::InboxesAPI.new(
-              YOUR_ACCOUNT_ID,
-              client
-            )
-
-            inbox_id = 12345
-            result = inboxes.delete(inbox_id)
-
-            puts result
         - lang: csharp
           label: .NET
           source: |
@@ -1194,25 +1156,6 @@ paths:
             )
 
             print(updated_inbox)
-        - lang: ruby
-          label: Ruby
-          source: |
-            require 'mailtrap'
-
-            client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            inboxes = Mailtrap::InboxesAPI.new(
-              YOUR_ACCOUNT_ID,
-              client
-            )
-
-            inbox_id = 12345
-            updated_inbox = inboxes.update(
-              inbox_id,
-              name: 'Updated Inbox Name',
-              email_username: 'new-username'
-            )
-
-            puts updated_inbox
         - lang: csharp
           label: .NET
           source: |
@@ -1336,21 +1279,6 @@ paths:
             result = inboxes_api.clean(inbox_id)
 
             print(result)
-        - lang: ruby
-          label: Ruby
-          source: |
-            require 'mailtrap'
-
-            client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            inboxes = Mailtrap::InboxesAPI.new(
-              YOUR_ACCOUNT_ID,
-              client
-            )
-
-            inbox_id = 12345
-            result = inboxes.clean(inbox_id)
-
-            puts result
         - lang: csharp
           label: .NET
           source: |
@@ -1455,21 +1383,6 @@ paths:
             result = inboxes_api.mark_as_read(inbox_id)
 
             print(result)
-        - lang: ruby
-          label: Ruby
-          source: |
-            require 'mailtrap'
-
-            client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            inboxes = Mailtrap::InboxesAPI.new(
-              YOUR_ACCOUNT_ID,
-              client
-            )
-
-            inbox_id = 12345
-            result = inboxes.mark_as_read(inbox_id)
-
-            puts result
         - lang: csharp
           label: .NET
           source: |
@@ -1574,21 +1487,6 @@ paths:
             result = inboxes_api.reset_credentials(inbox_id)
 
             print(result)
-        - lang: ruby
-          label: Ruby
-          source: |
-            require 'mailtrap'
-
-            client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            inboxes = Mailtrap::InboxesAPI.new(
-              YOUR_ACCOUNT_ID,
-              client
-            )
-
-            inbox_id = 12345
-            result = inboxes.reset_credentials(inbox_id)
-
-            puts result
         - lang: csharp
           label: .NET
           source: |
@@ -1693,21 +1591,6 @@ paths:
             result = inboxes_api.enable_email_address(inbox_id)
 
             print(result)
-        - lang: ruby
-          label: Ruby
-          source: |
-            require 'mailtrap'
-
-            client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            inboxes = Mailtrap::InboxesAPI.new(
-              YOUR_ACCOUNT_ID,
-              client
-            )
-
-            inbox_id = 12345
-            result = inboxes.enable_email_address(inbox_id)
-
-            puts result
         - lang: csharp
           label: .NET
           source: |
@@ -1812,21 +1695,6 @@ paths:
             result = inboxes_api.reset_email_username(inbox_id)
 
             print(result)
-        - lang: ruby
-          label: Ruby
-          source: |
-            require 'mailtrap'
-
-            client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            inboxes = Mailtrap::InboxesAPI.new(
-              YOUR_ACCOUNT_ID,
-              client
-            )
-
-            inbox_id = 12345
-            result = inboxes.reset_email_username(inbox_id)
-
-            puts result
         - lang: csharp
           label: .NET
           source: |
@@ -1925,20 +1793,6 @@ paths:
             inboxes = inboxes_api.get_list()
 
             print(inboxes)
-        - lang: ruby
-          label: Ruby
-          source: |
-            require 'mailtrap'
-
-            client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            inboxes = Mailtrap::InboxesAPI.new(
-              YOUR_ACCOUNT_ID,
-              client
-            )
-
-            inboxes_list = inboxes.get_list
-
-            puts inboxes_list
         - lang: csharp
           label: .NET
           source: |
@@ -2055,7 +1909,7 @@ paths:
           source: |
             require 'mailtrap'
 
-            client = Mailtrap::Client.new(api_key: 'YOUR_API_TOKEN')
+            client = Mailtrap::Client.new(api_key: 'YOUR_API_TOKEN', sandbox: true, inbox_id: TEST_INBOX_ID)
 
             mail = Mailtrap::Mail.new(
               from: { email: 'test@example.com', name: 'Test Sender' },
@@ -2065,7 +1919,7 @@ paths:
               html: '<p>This is a <b>test email</b> for sandbox.</p>'
             )
 
-            client.sandbox.send(mail, inbox_id: TEST_INBOX_ID)
+            client.send(mail)
         - lang: csharp
           label: .NET
           source: |
@@ -2501,22 +2355,6 @@ paths:
             message = messages_api.show_message(inbox_id=inbox_id, message_id=message_id)
 
             print(message)
-        - lang: ruby
-          label: Ruby
-          source: |
-            require 'mailtrap'
-
-            client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            messages = Mailtrap::MessagesAPI.new(
-              YOUR_ACCOUNT_ID,
-              YOUR_INBOX_ID,
-              client
-            )
-
-            message_id = 67890
-            message = messages.show_message(message_id)
-
-            puts message
         - lang: csharp
           label: .NET
           source: |
@@ -2739,22 +2577,6 @@ paths:
             )
 
             print(updated_message)
-        - lang: ruby
-          label: Ruby
-          source: |
-            require 'mailtrap'
-
-            client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            messages = Mailtrap::MessagesAPI.new(
-              YOUR_ACCOUNT_ID,
-              YOUR_INBOX_ID,
-              client
-            )
-
-            message_id = 67890
-            updated_message = messages.update(message_id, is_read: true)
-
-            puts updated_message
         - lang: csharp
           label: .NET
           source: |
@@ -2953,22 +2775,6 @@ paths:
             result = messages_api.delete(inbox_id=inbox_id, message_id=message_id)
 
             print(result)
-        - lang: ruby
-          label: Ruby
-          source: |
-            require 'mailtrap'
-
-            client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            messages = Mailtrap::MessagesAPI.new(
-              YOUR_ACCOUNT_ID,
-              YOUR_INBOX_ID,
-              client
-            )
-
-            message_id = 67890
-            result = messages.delete(message_id)
-
-            puts result
         - lang: csharp
           label: .NET
           source: |
@@ -3175,23 +2981,6 @@ paths:
                 print(f"From: {message.from_email}")
                 print(f"Subject: {message.subject}")
                 print(f"Received: {message.created_at}")
-        - lang: ruby
-          label: Ruby
-          source: |
-            require 'mailtrap'
-
-            client = Mailtrap::Client.new(api_key: 'YOUR_API_TOKEN')
-
-            messages = client.sandbox.messages.list(
-              account_id: account_id,
-              inbox_id: inbox_id
-            )
-
-            messages.each do |message|
-              puts "From: #{message.from_email}"
-              puts "Subject: #{message.subject}"
-              puts "Received: #{message.created_at}"
-            end
         - lang: csharp
           label: .NET
           source: |
@@ -3364,22 +3153,6 @@ paths:
             )
 
             print(result)
-        - lang: ruby
-          label: Ruby
-          source: |
-            require 'mailtrap'
-
-            client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            messages = Mailtrap::MessagesAPI.new(
-              YOUR_ACCOUNT_ID,
-              YOUR_INBOX_ID,
-              client
-            )
-
-            message_id = 67890
-            result = messages.forward(message_id, email: 'recipient@example.com')
-
-            puts result
         - lang: csharp
           label: .NET
           source: |
@@ -3534,16 +3307,6 @@ paths:
             client = mt.MailtrapClient(token="YOUR_API_KEY", account_id="YOUR_ACCOUNT_ID")
             spam_report = client.testing_api.messages.get_spam_report(inbox_id=12345, message_id=67890)
             print(spam_report)
-        - lang: ruby
-          label: Ruby
-          source: |
-            require 'mailtrap'
-
-            client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            messages = Mailtrap::MessagesAPI.new(YOUR_ACCOUNT_ID, YOUR_INBOX_ID, client)
-
-            spam_report = messages.get_spam_report(67890)
-            puts spam_report
         - lang: csharp
           label: .NET
           source: |
@@ -3702,16 +3465,6 @@ paths:
             client = mt.MailtrapClient(token="YOUR_API_KEY", account_id="YOUR_ACCOUNT_ID")
             html_analysis = client.testing_api.messages.get_html_analysis(inbox_id=12345, message_id=67890)
             print(html_analysis)
-        - lang: ruby
-          label: Ruby
-          source: |
-            require 'mailtrap'
-
-            client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            messages = Mailtrap::MessagesAPI.new(YOUR_ACCOUNT_ID, YOUR_INBOX_ID, client)
-
-            html_analysis = messages.get_html_analysis(67890)
-            puts html_analysis
         - lang: csharp
           label: .NET
           source: |
@@ -3818,14 +3571,6 @@ paths:
             client = mt.MailtrapClient(token="YOUR_API_KEY", account_id="YOUR_ACCOUNT_ID")
             text_body = client.testing_api.messages.get_text_message(inbox_id=12345, message_id=67890)
             print(text_body)
-        - lang: ruby
-          label: Ruby
-          source: |
-            require 'mailtrap'
-            client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            messages = Mailtrap::MessagesAPI.new(YOUR_ACCOUNT_ID, YOUR_INBOX_ID, client)
-            text_body = messages.get_text_message(67890)
-            puts text_body
         - lang: csharp
           label: .NET
           source: |
@@ -3976,14 +3721,6 @@ paths:
             client = mt.MailtrapClient(token="YOUR_API_KEY", account_id="YOUR_ACCOUNT_ID")
             raw_body = client.testing_api.messages.get_raw_message(inbox_id=12345, message_id=67890)
             print(raw_body)
-        - lang: ruby
-          label: Ruby
-          source: |
-            require 'mailtrap'
-            client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            messages = Mailtrap::MessagesAPI.new(YOUR_ACCOUNT_ID, YOUR_INBOX_ID, client)
-            raw_body = messages.get_raw_message(67890)
-            puts raw_body
         - lang: csharp
           label: .NET
           source: |
@@ -4109,14 +3846,6 @@ paths:
             client = mt.MailtrapClient(token="YOUR_API_KEY", account_id="YOUR_ACCOUNT_ID")
             html_source = client.testing_api.messages.get_html_source(inbox_id=12345, message_id=67890)
             print(html_source)
-        - lang: ruby
-          label: Ruby
-          source: |
-            require 'mailtrap'
-            client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            messages = Mailtrap::MessagesAPI.new(YOUR_ACCOUNT_ID, YOUR_INBOX_ID, client)
-            html_source = messages.get_html_source(67890)
-            puts html_source
         - lang: csharp
           label: .NET
           source: |
@@ -4244,14 +3973,6 @@ paths:
             client = mt.MailtrapClient(token="YOUR_API_KEY", account_id="YOUR_ACCOUNT_ID")
             html_body = client.testing_api.messages.get_html_message(inbox_id=12345, message_id=67890)
             print(html_body)
-        - lang: ruby
-          label: Ruby
-          source: |
-            require 'mailtrap'
-            client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            messages = Mailtrap::MessagesAPI.new(YOUR_ACCOUNT_ID, YOUR_INBOX_ID, client)
-            html_body = messages.get_html_message(67890)
-            puts html_body
         - lang: csharp
           label: .NET
           source: |
@@ -4402,14 +4123,6 @@ paths:
             client = mt.MailtrapClient(token="YOUR_API_KEY", account_id="YOUR_ACCOUNT_ID")
             eml_content = client.testing_api.messages.get_message_as_eml(inbox_id=12345, message_id=67890)
             print(eml_content)
-        - lang: ruby
-          label: Ruby
-          source: |
-            require 'mailtrap'
-            client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            messages = Mailtrap::MessagesAPI.new(YOUR_ACCOUNT_ID, YOUR_INBOX_ID, client)
-            eml_content = messages.get_message_as_eml(67890)
-            puts eml_content
         - lang: csharp
           label: .NET
           source: |
@@ -4511,14 +4224,6 @@ paths:
             client = mt.MailtrapClient(token="YOUR_API_KEY", account_id="YOUR_ACCOUNT_ID")
             mail_headers = client.testing_api.messages.get_mail_headers(inbox_id=12345, message_id=67890)
             print(mail_headers)
-        - lang: ruby
-          label: Ruby
-          source: |
-            require 'mailtrap'
-            client = Mailtrap::Client.new(api_key: 'YOUR_API_KEY')
-            messages = Mailtrap::MessagesAPI.new(YOUR_ACCOUNT_ID, YOUR_INBOX_ID, client)
-            mail_headers = messages.get_mail_headers(67890)
-            puts mail_headers
         - lang: csharp
           label: .NET
           source: |