# Page Not Found

The URL `guides/setting-up-shopify-native-checkout/{{ 'selling-plans-integration.js' | asset_url }}` does not exist.

You might be looking for one of these pages:
- [Creating a Storefront App](https://developer.firmhouse.com/guides/creating-a-storefront-app.md)
- [Updating the amount of discount on each order](https://developer.firmhouse.com/guides/updating-the-amount-of-discount-on-each-order.md)
- [Build a switch/upgrade plan flow that requires payment](https://developer.firmhouse.com/guides/build-a-switch-upgrade-plan-flow-that-requires-payment.md)
- [Using with Next.js](https://developer.firmhouse.com/sdks/storefront-js-sdk/using-with-next.js.md)
- [Create a Storefront API token](https://developer.firmhouse.com/sdks/storefront-js-sdk/create-a-storefront-api-token.md)

## How to find the correct page

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

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/guides/creating-a-storefront-app.md`)
- Use `Accept: text/markdown` header for content negotiation