A hosted microcurrency exchange management system includes a microcurrency exchange mechanism configured to coordinate interoperation of a plurality of microcurrency payment systems. Each microcurrency payment system is associated with one of a plurality of online commerce systems. The microcurrency exchange mechanism is configured to coordinate interoperation of the plurality of microcurrency payment systems includes coordinating exchange details, wherein the exchange details include exchange rate details among the microcurrencies. A management interface is configured to receive partnership formation information including the exchange details and to configure the exchange mechanism with the exchange details for completely formed partnerships.