| REST API | RESTful API |
| As we knows REST is architectural pattern which is used to create web services. | We used to RESTful API to implement pattern. |
| RESTAPI is required to develop APIs which allow interaction between clients and servers. | This is simply follows REST infrastructure that provides interoperability among different systems on the whole network. |
| Data format of REST is basically based on HTTP. | Data format of Restfull is basically based on HTTP, Text and JSON. |
| In RESTAPI working of ULR is based on Request and response. | Here working if RESTful is basically based on REST applications. |
| RESTAPI is user friendly and which is highly adaptable to all business enterprises and IT. | RESTful is very flexible. |