# Page Not Found

The URL `data-feeds/reference-data/free-tier/exchange-trading-pair-codes-instruments` does not exist.

You might be looking for one of these pages:
- [Exchange trading pair codes (instruments)](https://docs.kaiko.com/rest-api/data-feeds/reference-data/basic-tier/exchange-trading-pair-codes-instruments.md)
- [Exchange codes](https://docs.kaiko.com/rest-api/data-feeds/reference-data/basic-tier/exchange-codes.md)
- [Asset codes](https://docs.kaiko.com/rest-api/data-feeds/reference-data/basic-tier/asset-codes.md)
- [Blockchain codes](https://docs.kaiko.com/rest-api/data-feeds/reference-data/basic-tier/blockchain-codes.md)
- [DeFi protocol codes](https://docs.kaiko.com/rest-api/data-feeds/reference-data/basic-tier/defi-protocol-codes.md)

## How to find the correct page

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

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/rest-api/data-feeds/reference-data/basic-tier/exchange-trading-pair-codes-instruments.md`)
- Use `Accept: text/markdown` header for content negotiation