diff --git a/app/controllers/dois_controller.rb b/app/controllers/dois_controller.rb
index 7524c559a..3b35014e1 100644
--- a/app/controllers/dois_controller.rb
+++ b/app/controllers/dois_controller.rb
@@ -356,6 +356,7 @@ def create
         affiliation: params[:affiliation]
       }
 
+      logger.warn "Created DOI #{@doi.doi}"
       render json: DoiSerializer.new(@doi, options).serialized_json, status: :created, location: @doi
     else
       logger.error @doi.errors.inspect
@@ -405,6 +406,7 @@ def update
         affiliation: params[:affiliation],
       }
 
+      logger.warn exists ? "Updated DOI #{@doi.doi}" : "Created DOI #{@doi.doi}"
       render json: DoiSerializer.new(@doi, options).serialized_json, status: exists ? :ok : :created
     else
       logger.error @doi.errors.messages
diff --git a/app/controllers/events_controller.rb b/app/controllers/events_controller.rb
index 89a91e4db..48f54bef5 100644
--- a/app/controllers/events_controller.rb
+++ b/app/controllers/events_controller.rb
@@ -26,9 +26,10 @@ def create
     if @event.update_attributes(safe_params)
       options = {}
       options[:is_collection] = false
-
+      logger.warn "Created event #{@event.uuid} with source_id #{@event.source_id}"
       render json: EventSerializer.new(@event, options).serialized_json, status: exists ? :ok : :created
     else
+      logger.error @event.errors.inspect
       errors = @event.errors.full_messages.map { |message| { status: 422, title: message } }
       render json: { errors: errors }, status: :unprocessable_entity
     end
@@ -47,8 +48,10 @@ def update
       options = {}
       options[:is_collection] = false
 
+      logger.warn "Updated event #{@event.uuid} with source_id #{@event.source_id}"
       render json: EventSerializer.new(@event, options).serialized_json, status: exists ? :ok : :created
     else
+      logger.error @event.errors.inspect
       errors = @event.errors.full_messages.map { |message| { status: 422, title: message } }
       render json: { errors: errors }, status: :unprocessable_entity
     end