| Name | Description | Type | Package | Framework |
| DefaultRequestHandlerProvider | Provides RequestHandler implementation from core module. | Class | ro.isdc.wro.extensions.http.handler.spi | Wro4J |
| ModelAsJsonRequestHandler | Expose the WroModel as JSON when the following uri is accessed: "wroAPI/model". | Class | ro.isdc.wro.extensions.http.handler | Wro4J |
| ResourceSerializer | Serializes Resource to json. | Class | ro.isdc.wro.extensions.http.handler | Wro4J |