# Page Not Found

The URL `fulfillment-1/electronic-fulfillment-service-ofi` does not exist.

You might be looking for one of these pages:
- [Electronic Fulfillment Service (OFI)](https://docs.digitalriver.com/commerce-api/shopper-apis/product-discovery/fulfillment-1/electronic-fulfillment-service-ofi.md)
- [Supported payment methods](https://docs.digitalriver.com/commerce-api/payments/supported-payment-methods.md)
- [Payment testing scenarios](https://docs.digitalriver.com/commerce-api/payments/testing-scenarios.md)
- [Physical fulfillment](https://docs.digitalriver.com/commerce-api/shopper-apis/product-discovery/fulfillment-1/physical-fulfillment.md)
- [Responding to events](https://docs.digitalriver.com/commerce-api/events/events-and-webhooks.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://docs.digitalriver.com/commerce-api/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://docs.digitalriver.com/commerce-api/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/commerce-api/shopper-apis/product-discovery/fulfillment-1/electronic-fulfillment-service-ofi.md`)
- Use `Accept: text/markdown` header for content negotiation