# Page Not Found

The URL `checkout-progress-bar` does not exist.

You might be looking for one of these pages:
- [Checkout - Progress bar](https://help.aov.ai/promotion-campaign/checkout-progress-bar.md)
- [Milestone bar](https://help.aov.ai/promote-your-campaign/milestone-bar.md)
- [Checkout Upsell](https://help.aov.ai/promotion-campaign/checkout-upsell.md)
- [Deal Badge](https://help.aov.ai/promote-your-campaign/deal-badge.md)
- [Promotion Card](https://help.aov.ai/promote-your-campaign/promotion-card.md)

## How to find the correct page

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

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/promotion-campaign/checkout-progress-bar.md`)
- Use `Accept: text/markdown` header for content negotiation