# Page Not Found

The URL `the-lightning-network/pay` does not exist.

You might be looking for one of these pages:
- [Pathfinding](https://docs.lightning.engineering/the-lightning-network/pathfinding.md)
- [L402: Lightning HTTP 402 Protocol](https://docs.lightning.engineering/the-lightning-network/l402.md)
- [Liquidity](https://docs.lightning.engineering/the-lightning-network/liquidity.md)
- [Payment Channels](https://docs.lightning.engineering/the-lightning-network/payment-channels.md)
- [Lightning Network Invoices](https://docs.lightning.engineering/the-lightning-network/payment-lifecycle.md)

## How to find the correct page

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

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/the-lightning-network/pathfinding.md`)
- Use `Accept: text/markdown` header for content negotiation