Inventory management system protection for network traffic surge resistant platform

A method to provide a surge resistant online platform comprising:

• generating, by the online platform including an authorization manager, a script, an offer package, and an offer instantiator, and storing the script and the offer package onto the network storage, the offer instantiator providing the location of the script and the offer package in the network storage;
• retrieving, by a browser operating on a computing device at the direction of the offer instantiator, the script and the offer package from the network storage;
• in response to a signal from the commerce platform, instantiating, by the script operating in the browser, an authorization interface to receive entry of first and second identifiers and first and second input codes;
• generating, by the authorization manager or a first authorization service coupled to the authorization manager, a first secret code and send the first secret code via a first communication medium associated with the first identifier;
• generating, by the authorization manager or a second authorization service coupled to the authorization manager, a second secret code and send the second secret code via a second communication medium associated with the second identifier;
• and
• in response to determining the first input code matching the first secret code and the second input code matching the second secret code, authorizing, by the authorization manager, a transaction associated with the browser and associating the transaction with a customer record associated with both the first and second identifiers.