# Features The Digital River app provides the following features: * Transaction processing * Order cancellation * Post-order management * Digital product sales * Physical product sales * Mixed cart (physical and digital) sales * Digital River Drop-in * One-time billing/discrete purchase–guest shopper * One-time billing/discrete purchase–authenticated shopper * Integrated user management * Integrated external fulfillment support * External return integration * Order cancellation integration * Refund orchestration * Tax-exclusive and inclusive pricing and display * Translations support * Automated one-way catalog sync * Cross-border shipping * Integration error monitor and notifications --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.digitalriver.com/bigcommerce/1.0-4/introduction/features.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.