# Page Not Found

The URL `broken-reference` does not exist.

You might be looking for one of these pages:
- [Backend Code](https://breathepay.gitbook.io/breathepay-developer-docs/payments-api/backend-code.md)
- [Backend Code](https://breathepay.gitbook.io/breathepay-developer-docs/payments-api/3ds-security/backend-code.md)
- [Frontend JS](https://breathepay.gitbook.io/breathepay-developer-docs/payments-api/frontend-js.md)
- [Refunds & Cancelations](https://breathepay.gitbook.io/breathepay-developer-docs/payments-api/refunds-and-cancelations.md)
- [Handling API Responses](https://breathepay.gitbook.io/breathepay-developer-docs/payments-api/handling-api-responses.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://breathepay.gitbook.io/breathepay-developer-docs/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://breathepay.gitbook.io/breathepay-developer-docs/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/breathepay-developer-docs/payments-api/backend-code.md`)
- Use `Accept: text/markdown` header for content negotiation