Ecommerce marketplace with custom purchase order

A computer-implemented method, comprising:

• receiving a selection of one or more products in a shopping cart from a customer logged into a supplier website executed on one or more servers associated with an E-commerce system;
• identifying, by the E-commerce system, the customer as associated with a third-party system that is external to the E-commerce system;
• retrieving, by the E-commerce system, customer settings data for the customer from a database associated with the E-commerce system;
• generating, by the E-commerce system, a custom purchase order (PO) associated with the third-party system using the shopping cart and the customer settings data, wherein the custom PO is generated within the E-commerce system and without using a procurement system of the third-party system;
• transmitting, by the E-commerce system, the custom PO to a purchasing system within the third-party system;
• receiving, by the E-commerce system, authorization from the purchasing system to purchase the one or more products;
• and
• processing, by the E-commerce system, the custom PO to deliver the one or more products authorized by the purchasing system to the customer.

One or more non-transitory computer-readable storage media storing computer-executable instructions for causing a computing system to perform a method, the method comprising:

• receiving, by an E-commerce system, a login request in a supplier website of the E-commerce system from a customer, without the customer being logged into a third-party system that is external to the E-commerce system;
• identifying, by the E-commerce system, the customer as being associated with the third-party system by comparing a customer identifier in the login request to stored identifiers in a database of the E-commerce system;
• receiving, by the E-commerce system, a request to purchase products on the supplier web site;
• retrieving, by the E-commerce system, customer settings data for the customer from the database;
• for the customer associated with the third-party system, generating a purchase order (PO) adapted for the third-party system using the customer settings data, wherein the PO is generated within the E-commerce system and without using a procurement system of the third-party system;
• transmitting, by the E-commerce system, the PO to the third-party system;
• receiving, by the E-commerce system, an authorization from the third-party system to process the PO;
• and
• processing, by the E-commerce system, the PO.

A computer system comprising:

• one or more processing units coupled to memory;
• and
• one or more computer readable storage media storing instructions that when executed by the one or more processing units cause an E-commerce system to perform operations comprising:
• receiving login credentials of a customer through a supplier web site of the E-commerce system;
• determining from the login credentials that the customer is associated with a third-party system that is outside of the E-commerce system;
• retrieving customer settings data for the customer from a database of the E-commerce system, the customer settings data comprising a purchase order template;
• receiving submission of a shopping cart created by the customer on the supplier website, the shopping cart comprising a selection of one or more products for purchase;
• generating a custom purchase order for the shopping cart using the purchase order template, wherein the custom purchase order is generated within the E-commerce system and without using a procurement system of the third-party system;
• transmitting the custom purchase order to a purchasing system within the third-party system;
• and
• in response to receiving authorization from the purchasing system within the third-party system to process the custom purchase order, processing the custom purchase order to deliver the one or more products to the customer.