Urban data are basic building block of urban planning and management and tend to become a decision-making tool for administrations, public and private bodies and local and regional authorities, which use them increasingly Manage their activities on a daily basis and improve the effectiveness of their actions. There is therefore a real need to make people understand the usefulness of collecting and analyzing all the information, but also to work together the intelligence of a territory: administrations, companies, NGOs, associations, citizens, etc., To bring about a life project, to transform the city and to build a smart city. This would involve building and sharing the same data federating platform to facilitate the access, processing, anonymization, security and data storage of the entities involved. Digital is a strategic lever for transforming cities and territories. YUSIIP can be a starting point for a digital transformation strategy for the metropolis Yaound'.