diff --git a/lib/graphql/client.rb b/lib/graphql/client.rb
index f064ca2..6fea76d 100644
--- a/lib/graphql/client.rb
+++ b/lib/graphql/client.rb
@@ -380,12 +380,12 @@ def query(definition, variables: {}, context: {})
         error_payload = payload.merge(message: error["message"], error: error)
         ActiveSupport::Notifications.instrument("error.graphql", error_payload)
       end
-
       Response.new(
         result,
         data: definition.new(data, Errors.new(errors, ["data"])),
         errors: Errors.new(errors),
-        extensions: extensions
+        extensions: extensions,
+        full_response: execute.respond_to?("last_response") ? execute.last_response : nil
       )
     end
 
diff --git a/lib/graphql/client/http.rb b/lib/graphql/client/http.rb
index 700aaa8..7904ce1 100644
--- a/lib/graphql/client/http.rb
+++ b/lib/graphql/client/http.rb
@@ -45,6 +45,11 @@ def headers(_context)
         {}
       end
 
+      # Public: full reponse from last request
+      #
+      # Returns Hash.
+      attr_reader :last_response
+
       # Public: Make an HTTP request for GraphQL query.
       #
       # Implements Client's "execute" adapter interface.
@@ -71,6 +76,7 @@ def execute(document:, operation_name: nil, variables: {}, context: {})
         request.body = JSON.generate(body)
 
         response = connection.request(request)
+        @last_response = response.to_hash
         case response
         when Net::HTTPOK, Net::HTTPBadRequest
           JSON.parse(response.body)
diff --git a/lib/graphql/client/response.rb b/lib/graphql/client/response.rb
index f262418..c00e250 100644
--- a/lib/graphql/client/response.rb
+++ b/lib/graphql/client/response.rb
@@ -31,12 +31,18 @@ class Response
       # Public: Hash of server specific extension metadata.
       attr_reader :extensions
 
+      # Public: Complete response hash returned from server.
+      #
+      # Returns Hash
+      attr_reader :full_response
+
       # Internal: Initialize base class.
-      def initialize(hash, data: nil, errors: Errors.new, extensions: {})
+      def initialize(hash, data: nil, errors: Errors.new, extensions: {}, full_response: nil)
         @original_hash = hash
         @data = data
         @errors = errors
         @extensions = extensions
+        @full_response = full_response
       end
     end
   end