The invention relates to a method and a software infrastructure to allow providers to access and respond effectively to requests for proposals targeted. It relates more particularly to a method for managing access to a database of requests service providing information about performing property, comprising : ?a step of receiving an access request to the requests for providing a service relating to real property within a geographical area ; ?a step of searching a payment confirmation of a minimized amount based on geographical area, and optionally the step of transmitting said requests to a service provider terminal.