# Page Not Found

The URL `payment-integrations-1/drop-in` does not exist.

You might be looking for one of these pages:
- [Drop-in payments](https://docs.digitalriver.com/digital-river-api/payments/payment-integrations-1/drop-in.md)
- [How Drop-in payments work](https://docs.digitalriver.com/digital-river-api/payments/payment-integrations-1/drop-in/how-drop-in-works.md)
- [Drop-in payments integration guide](https://docs.digitalriver.com/digital-river-api/payments/payment-integrations-1/drop-in/drop-in-integration-guide.md)
- [Payment solutions](https://docs.digitalriver.com/digital-river-api/payments/payment-integrations-1.md)
- [DigitalRiver.js with Elements](https://docs.digitalriver.com/digital-river-api/payments/payment-integrations-1/digitalriver.js.md)

## How to find the correct page

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

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/digital-river-api/payments/payment-integrations-1/drop-in.md`)
- Use `Accept: text/markdown` header for content negotiation