Embodiments of the present invention provide a method and system for enabling a financial institution to communicate with a merchant regarding post-authorization processing of a financial transaction. The merchant assesses feasibility of the financial transaction after receiving an authorization from the financial institution for the financial transaction and accordingly processes the financial transaction based on the feasibility assessment. The processing of the financial transaction may either result in fulfillment or non-fulfillment of the financial transaction depending on the feasibility assessment. Finally, the merchant provides the financial institution details related to the processing of the financial institution in real-time following the authorization.