> For the complete documentation index, see [llms.txt](https://docs.vechain.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.vechain.org/developer-resources/how-to-build-on-vechain/write-data.md).

# Write Data

- [Transactions](https://docs.vechain.org/developer-resources/how-to-build-on-vechain/write-data/transactions.md)
- [Fee Delegation](https://docs.vechain.org/developer-resources/how-to-build-on-vechain/write-data/fee-delegation.md)