In the embodiment according to the number information of the seller offerings under public affairs one computer implemented method associated with identifying data and offerings offering information upon receiving said text message is sent step of seller terminal; said character message information is selected by information service request URL entry number receiving hole; said entry request in response to receiving said ball number information when performing service, said number corresponding to the seller offerings information under public affairs; said seller offerings by offering information match transactions for whether said from said receiving; said search robot receives a transaction is possible, a certified copy of said search robot based on said identifying data and said determining whether the seller is offering information; and said number information associated with said information for said service offerings that offerings under public affairs number ball comprising the steps of registering offerings can be 999000 0007999