diff --git a/app/api/v1/blocks.rb b/app/api/v1/blocks.rb
index aefa370..6778b6b 100644
--- a/app/api/v1/blocks.rb
+++ b/app/api/v1/blocks.rb
@@ -6,6 +6,7 @@ module Api
         get ':id' do
           block = Block.find(params["id"])
           return forbidden! unless block.visible_to_user?(current_person) || block.allow_edit?(current_person)
+          block.api_content_params = params.except("id")
           present block, :with => Entities::Block, display_api_content: true, current_person: current_person
         end
 
diff --git a/app/models/block.rb b/app/models/block.rb
index 47d6618..894e6d9 100644
--- a/app/models/block.rb
+++ b/app/models/block.rb
@@ -320,6 +320,8 @@ class Block < ApplicationRecord
     false
   end
 
+  attr_accessor :api_content_params
+
   private
 
   def home_page_path
diff --git a/test/api/blocks_test.rb b/test/api/blocks_test.rb
index de63f83..4a4ac29 100644
--- a/test/api/blocks_test.rb
+++ b/test/api/blocks_test.rb
@@ -141,4 +141,18 @@ class BlocksTest < ActiveSupport::TestCase
     json = JSON.parse(last_response.body)
     assert_includes json["block"]["permissions"], 'allow_edit'
   end
+
+  should 'get a block with api content params' do
+    class MyTestBlock < Block
+      def api_content
+        api_content_params
+      end
+    end
+    box = fast_create(Box, :owner_id => environment.id, :owner_type => Environment.name)
+    block = fast_create(MyTestBlock, box_id: box.id)
+    params["custom_param"] = "custom_value"
+    get "/api/v1/blocks/#{block.id}?#{params.to_query}"
+    json = JSON.parse(last_response.body)
+    assert_equal "custom_value", json["block"]["api_content"]["custom_param"]
+  end
 end
--
libgit2 0.21.2