System and method for decoupling an e-commerce order from the electronic payment transaction

A method for managing payment of a cost of a consumer's purchase in an e-commerce transaction managed by a merchant's web application, the method comprising the steps of:

• a) from the e-commerce transaction, receiving a request for an external payment of said cost, said request containing at least an identifier of the consumer, the cost of the purchase and a merchant transaction ID,
• b) generating a unique non-guessable payment URL of an external payment management application,
• c) associating an external payment ID with said payment URL,
• d) providing the payment URL to at least one paying party on a user device by means of an interaction with the consumer,
• e) once a paying party has activated said payment URL on a user device, receiving an URL activation message from the user device, and displaying a first screen on the user device, said first screen showing at least an identifier of the consumer, the cost of the purchase and an option for initiating an electronic payment transaction in an electronic payment system;
• f) once a paying party has initiated an electronic payment transaction, receiving a payment activation message, sending an electronic payment request to the electronic payment system,
• g) once the electronic payment transaction has been concluded, receiving information on the result of the electronic payment transaction from the electronic payment system,
• h) notifying the contributing paying party about the result of the electronic payment transaction,
• i) if within a time limit the electronic payment transaction of at least one paying party has been successfully concluded and the accumulated payment of the at least one paying party covers said entire cost, then finishing the external payment transaction as a successful external payment,
• otherwise finishing the external payment transaction as a failed external payment,
• j) notifying the merchant about the result of the external payment.