diff --git a/spec/acceptance/languages_spec.rb b/spec/acceptance/languages_spec.rb
new file mode 100644
index 0000000000000000000000000000000000000000..e01cacbfb1123177d2ef1f997510f4d32c421e3c
--- /dev/null
+++ b/spec/acceptance/languages_spec.rb
@@ -0,0 +1,36 @@
+require 'acceptance_helpers'
+
+resource 'Languages' do
+  header 'Accept', 'application/json'
+  header 'Content-Type', 'application/json'
+
+  before { 12.times { create(:language) } }
+
+  let(:languages) { Language.all }
+
+  get '/v1/languages' do
+    parameter :limit, 'Limit of languages'
+    parameter :offset, 'Offset of languages'
+
+    let(:limit) { 12 }
+    let(:offset) { 0 }
+
+    example_request 'Get a list of languages' do
+      # active model serializer may render model associations in different order for collections (array of items), so we're verifing only returned ids
+      expect(JSON.parse(response_body).map { |o| o['id'] }.sort).to eq(Language.limit(limit).offset(offset).pluck(:id).sort)
+      expect(status).to eq(200)
+    end
+  end
+
+  get '/v1/languages/:id' do
+    let(:id) { languages.first.id }
+
+    example 'Get a language' do
+      do_request
+      expect(path).to eq("/v1/languages/#{id}") # `:id` is replaced with the value of `id`
+      expect(response_body).to eq(Helper.serialize(Language.find(id)))
+      expect(status).to eq(200)
+    end
+  end
+
+end
diff --git a/spec/acceptance/mime_types_spec.rb b/spec/acceptance/mime_types_spec.rb
new file mode 100644
index 0000000000000000000000000000000000000000..c6b853b719d6c0d5997fbb0057f2955e711570d3
--- /dev/null
+++ b/spec/acceptance/mime_types_spec.rb
@@ -0,0 +1,36 @@
+require 'acceptance_helpers'
+
+resource 'MimeTypes' do
+  header 'Accept', 'application/json'
+  header 'Content-Type', 'application/json'
+
+  before { 12.times { create(:mime_type) } }
+
+  let(:mime_types) { MimeType.all }
+
+  get '/v1/mime_types' do
+    parameter :limit, 'Limit of mime_types'
+    parameter :offset, 'Offset of mime_types'
+
+    let(:limit) { 12 }
+    let(:offset) { 0 }
+
+    example_request 'Get a list of mime_types' do
+      # active model serializer may render model associations in different order for collections (array of items), so we're verifing only returned ids
+      expect(JSON.parse(response_body).map { |o| o['id'] }.sort).to eq(MimeType.limit(limit).offset(offset).pluck(:id).sort)
+      expect(status).to eq(200)
+    end
+  end
+
+  get '/v1/mime_types/:id' do
+    let(:id) { mime_types.first.id }
+
+    example 'Get a mime_type' do
+      do_request
+      expect(path).to eq("/v1/mime_types/#{id}") # `:id` is replaced with the value of `id`
+      expect(response_body).to eq(Helper.serialize(MimeType.find(id)))
+      expect(status).to eq(200)
+    end
+  end
+
+end
diff --git a/spec/factories/languages.rb b/spec/factories/languages.rb
index 4e227e54637a29a60a4618711c29f365ef916b8b..9c027beee24eeb172989629d236a9253ee7fdc10 100644
--- a/spec/factories/languages.rb
+++ b/spec/factories/languages.rb
@@ -5,6 +5,6 @@ FactoryGirl.define do
   end
 
   sequence :code do |i|
-    "BR#{i}"
+    "TT#{i}"
   end
 end
diff --git a/spec/factories/mime_types.rb b/spec/factories/mime_types.rb
new file mode 100644
index 0000000000000000000000000000000000000000..b10761335261377d3ada9cb300f3cee690f7acc6
--- /dev/null
+++ b/spec/factories/mime_types.rb
@@ -0,0 +1,6 @@
+FactoryGirl.define do
+  factory :mime_type do |m|
+    m.mime_type { Faker::File.mime_type}
+    m.extension { Faker::File.extension}
+  end
+end