Connecting serveral APIs to one Application

I want to see your bids on a project which is connecting: Christmas Markets Data Carsharing Data Map Data and WLAN Location Services. All together it should be a map where you can locate yourself on a map in a webbrowser of a mobile device and see the next christmas market and the next car from the carsharing vendor. if you have a little knowledge of german language this could be a plus copyright should be entire for me.