> For the complete documentation index, see [llms.txt](https://tna-btc.gitbook.io/tna-whitepaper-2/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://tna-btc.gitbook.io/tna-whitepaper-2/developer-guide/developer-apis/data-availability.md).

# Data Availability

- [Get Tree Status](https://tna-btc.gitbook.io/tna-whitepaper-2/developer-guide/developer-apis/data-availability/get-tree-status.md)
- [Get Proof](https://tna-btc.gitbook.io/tna-whitepaper-2/developer-guide/developer-apis/data-availability/get-proof.md)
- [Verify Proof](https://tna-btc.gitbook.io/tna-whitepaper-2/developer-guide/developer-apis/data-availability/verify-proof.md)
- [Add Block Txs](https://tna-btc.gitbook.io/tna-whitepaper-2/developer-guide/developer-apis/data-availability/add-block-txs.md)
- [Get Block Height](https://tna-btc.gitbook.io/tna-whitepaper-2/developer-guide/developer-apis/data-availability/get-block-height.md)
- [Get Block Hash](https://tna-btc.gitbook.io/tna-whitepaper-2/developer-guide/developer-apis/data-availability/get-block-hash.md)
- [Get Block Txids](https://tna-btc.gitbook.io/tna-whitepaper-2/developer-guide/developer-apis/data-availability/get-block-txids.md)