> For the complete documentation index, see [llms.txt](https://docs.ont.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ont.io/developer-tools/api/rosetta-node-api.md).

# Rosetta Node API

- [Data API](https://docs.ont.io/developer-tools/api/rosetta-node-api/data-api.md): Fetch block and transaction related data
- [Construction API](https://docs.ont.io/developer-tools/api/rosetta-node-api/construction-api.md): Write to the chain