Today, knowledge is the single most important source of advantage in business, and it resides within the individual members of the organization. To harness this knowledge and direct it towards the achievement of organizational goals, knowledge should be integrated in a systematic manner. Social media can be considered as a tool to integrate knowledge effectively which can lead to improve the organization performance. Prototype system provides the validation for the conceptual model. E Knowledge Integration System (EKIS) prototype has been developed as a method for model validation of Knowledge Integration through social media. This article analyzes the prototype evaluation of EKIS in Small Medium Enterprises (SMEs) using Rasch model. The findings indicate that the EKIS prototype is appropriate and significant in supporting propose of KI model and were satisfied in system quality, perceived usefulness and the functionalities. The findings for this study can be used as a guideline for SMEs in integrating knowledge through social media. Keywords: Knowledge Integration, Social Media, Prototype, Technology, Organization.