# Page Not Found

The URL `model-pricing-and-package/define-product-metrics` does not exist.

You might be looking for one of these pages:
- [Product Items](https://docs.paigo.tech/saas-pricing/pricing-basics/product-items.md)
- [Product Plans](https://docs.paigo.tech/saas-pricing/pricing-basics/product-plans.md)
- [Issue Invoice](https://docs.paigo.tech/invoicing-and-payment/issue-invoice.md)
- [Process Payment with Stripe](https://docs.paigo.tech/invoicing-and-payment/process-payment-with-stripe.md)
- [Model Pricing Structure](https://docs.paigo.tech/saas-pricing/model-pricing-structure.md)

## How to find the correct page

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

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/saas-pricing/pricing-basics/product-items.md`)
- Use `Accept: text/markdown` header for content negotiation