Systems and methods for supporting legacy and tokenized e-commerce

A method for selecting an electronic payment credential to communicate to a merchant, comprising:

• receiving, by an aggregating wallet backend comprising a computer processor and from an aggregating wallet application or an aggregating wallet website on a browser executed by a mobile electronic device, an indication that a transaction at point of transaction device for a merchant is to be conducted using a mobile payment application also executed on the mobile electronic device;
• initiating, by the aggregating wallet backend, payment for the transaction with the mobile payment application;
• receiving, at the aggregating wallet backend, a payment account for the transaction from the mobile payment application;
• receiving, at the aggregating wallet backend, a plurality of electronic payment credentials for the payment account comprising a token, a cryptogram, and a merchant-specific account number;
• receiving, at the aggregating wallet backend, an electronic payment credential acceptance capability for the point of transaction device, wherein the point of transaction device accepts only certain electronic payment credentials;
• determining, by the aggregating wallet backend and from the electronic payment credential acceptance capability that the point of transaction device accepts the merchant-specific account number;
• and
• executing a transaction using the merchant-specific account number.

A system, comprising:

• a mobile electronic device comprising at least one computer processor and executing an aggregating wallet application and a mobile payment application;
• and
• an aggregating wallet backend comprising a computer application configured to:
• receive from the aggregating wallet backend, an indication that a transaction at point of transaction device for a merchant is to be conducted using the mobile payment application, to initiate payment for the transaction with the mobile payment application on the mobile electronic device;
• to receiving a payment account for the transaction from the mobile payment application;
• to receive a plurality of payment credentials for the payment account comprising a token, a cryptogram and a merchant-specific account number;
• to receive an electronic payment credential acceptance capability for the point of transaction device, wherein the point of transaction device accepts only certain electronic payment credentials;
• to determine from the electronic payment credential acceptance capability that the point of transaction device accepts the merchant-specific account number;
• and to execute a transaction using the merchant-specific account number.