Finish migrating ApiController error methods

app/blueprints/api/v1/error_blueprint.rb

@@ -10,6 +10,10 @@ module Api
       field :errors, if: ->(_field_name, _error, options) { options.key?(:errors) } do |_, options|
         options[:errors]
       end
+
+      field :errors, if: ->(_field_name, _error, options) { options.key?(:exception) } do |_, options|
+        options[:exception]
+      end
     end
   end
 end

app/controllers/api/v1/api_controller.rb

@@ -61,8 +61,8 @@ module Api
       end
 
       def render_unprocessable_entity_response(exception)
-        @exception = exception
-        render action: 'errors', status: :unprocessable_entity
+        render json: ErrorBlueprint.render_as_json(nil, exception: exception),
+               status: :unprocessable_entity
       end
 
       def render_validation_error_response(object)
@@ -78,7 +78,8 @@ module Api
       end
 
       def render_unauthorized_response
-        render action: 'errors', status: :unauthorized
+        render json: ErrorBlueprint.render_as_json(nil),
+               status: :unauthorized
       end
 
       private