The present disclosure includes methods for fulfilling a request using a connected inventory fulfillment service. Entities that use the same financial application to store inventory data are invited to participate as participating providers in a connected inventory fulfillment service. When a request for a product for fulfillment using the connected inventory fulfillment service is received, participating providers that could fulfill the request are identified by matching information in the request to inventory data stored using the financial application. A participating provider that could fulfill the request is then selected to fulfill the request.