The present disclosure relates to method and system for calculating sustainability information in authorisation message based on transaction data. The present invention uses payment rails, sourcing for delivering sustainability information. The method also comprises sourcing and providing payment network entities and consumers the information on carbon intensity of a purchase. The present disclosure provides a solution for calculating the sustainability score of the registered Permanent Account Number (PAN) using transaction history, where transaction history is used to establish direct connectivity between merchants and issuers for the purpose of processing card transactions.
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Na, Hyeonmin; Rizvi, Sajjad; and Chittari, Balakrishna, "METHOD AND SYSTEM FOR DETERMINING SUSTAINABILITY INFORMATION IN AUTHORISATION MESSAGE", Technical Disclosure Commons, (November 28, 2021)