Method and system for transfer of consumer data to merchants

A method for sharing consumer data with a merchant includes: storing, in an account database at least one account profile, wherein each account profile includes data related to a transaction account including at least an account identifier and a plurality of sharing data values; receiving, from a point of sale device, an authorization request for a payment transaction, wherein the authorization request includes at least a specific account identifier and a sharing request; identifying, in the account database, a specific account profile where the included account identifier corresponds to the specific account identifier; identifying, in the specific account profile, one or more sharing data values of the plurality of sharing data values for sharing to the point of sale device; and transmitting, by a transmitting device, the identified one or more sharing data values to the point of sale device.