# Page Not Found

The URL `developer-guides/sustainability-proofs` does not exist.

You might be looking for one of these pages:
- [Sustainability Proof and Impacts](https://docs.vebetterdao.org/developer-guides/sustainability-proof-and-impacts.md)
- [Testnet B3TR tokens](https://docs.vebetterdao.org/developer-guides/testnet-b3tr-tokens.md)
- [Submit Your App](https://docs.vebetterdao.org/developer-guides/submit-your-app.md)
- [Security Considerations](https://docs.vebetterdao.org/developer-guides/security-considerations.md)
- [Test Environment](https://docs.vebetterdao.org/developer-guides/test-environment.md)

## How to find the correct page

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

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/developer-guides/sustainability-proof-and-impacts.md`)
- Use `Accept: text/markdown` header for content negotiation