diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index 4f2ac36a..12a96827 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -12,7 +12,7 @@ Metrics/AbcSize:
 # Offense count: 2
 # Configuration parameters: CountComments.
 Metrics/ClassLength:
-  Max: 202
+  Max: 212
 
 # Offense count: 3
 Metrics/CyclomaticComplexity:
diff --git a/README.md b/README.md
index e69c1675..f6c5598e 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,7 @@ This gem adds Entity support to API frameworks, such as [Grape](https://github.c
 module API
   module Entities
     class Status < Grape::Entity
+      meta description: "My Status"
       format_with(:iso_timestamp) { |dt| dt.iso8601 }
 
       expose :user_name
@@ -58,6 +59,16 @@ Entities are a reusable means for converting Ruby objects to API responses. Enti
 
 Entities inherit from Grape::Entity, and define a simple DSL. Exposures can use runtime options to determine which fields should be visible, these options are available to `:if`, `:unless`, and `:proc`.
 
+#### Metadata
+
+Entities may store custom metadata for documentation purposes.
+
+```ruby
+class MyEntity < Grape::Entity
+  meta custom: "data", other: "value"
+end
+```
+
 #### Basic Exposure
 
 Define a list of fields that will always be exposed.
diff --git a/lib/grape_entity/entity.rb b/lib/grape_entity/entity.rb
index 90b4fbc0..87b41a30 100644
--- a/lib/grape_entity/entity.rb
+++ b/lib/grape_entity/entity.rb
@@ -112,13 +112,16 @@ def formatters
       end
 
       attr_writer :formatters
+      attr_writer :meta
     end
 
     @formatters = {}
+    @meta = {}
 
     def self.inherited(subclass)
       subclass.root_exposure = root_exposure.dup
       subclass.formatters = formatters.dup
+      subclass.meta = meta.dup
     end
 
     # This method is the primary means by which you will declare what attributes
@@ -273,6 +276,26 @@ def self.format_with(name, &block)
       formatters[name.to_sym] = block
     end
 
+    # This allows you to declare meta data on the entity level, which can be useful for
+    # automated documentation.
+    #
+    # @param pairs [Hash] the name-value pairs to associate
+    #
+    # @example Meta declaration
+    #
+    #   module API
+    #     module Entities
+    #       class User < Grape::Entity
+    #         meta description: "My user entity"
+    #       end
+    #     end
+    #   end
+    #
+    def self.meta(pairs = nil)
+      @meta.update(pairs) if pairs.is_a?(Hash)
+      @meta
+    end
+
     # This allows you to set a root element name for your representation.
     #
     # @param plural   [String] the root key to use when representing
@@ -449,6 +472,10 @@ def formatters
       self.class.formatters
     end
 
+    def meta
+      self.class.meta
+    end
+
     # The serializable hash is the Entity's primary output. It is the transformed
     # hash for the given data model and is used as the basis for serialization to
     # JSON and other formats.
diff --git a/spec/grape_entity/entity_spec.rb b/spec/grape_entity/entity_spec.rb
index 08457744..5023f2cb 100644
--- a/spec/grape_entity/entity_spec.rb
+++ b/spec/grape_entity/entity_spec.rb
@@ -274,6 +274,21 @@ class Parent < Person
         end
       end
 
+      context 'declare meta' do
+        it 'sets meta data' do
+          subject.meta description: 'My favourite entity'
+
+          expect(subject.meta).to include(description: 'My favourite entity')
+        end
+
+        it 'inherits meta from ancestors' do
+          subject.meta final: true
+          child_class = Class.new(subject)
+
+          expect(child_class.meta).to eq subject.meta
+        end
+      end
+
       context 'register formatters' do
         let(:date_formatter) { ->(date) { date.strftime('%m/%d/%Y') } }