An image processing apparatus, which can communicate with an external apparatus that provides WEB information, is provided. The apparatus comprises a storage unit configured to store a plurality of flow files that describe process contents of processes to be executed by the image processing apparatus, and an execution order; an acquisition unit configured to acquire WEB information from the external apparatus; a display unit configured to display a window based on the acquired WEB information; a selecting unit configured to select a flow file to be executed for the WEB information acquired by the acquisition unit; a processing unit configured to generate image data based on execution of the selected flow file; a storing unit configured to store the image generated data; and a transmission unit configured to transmit the image data stored in the storing unit to the external apparatus in accordance with a transmission instruction.