> For the complete documentation index, see [llms.txt](https://docs.atomicalmarket.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.atomicalmarket.com/api/guides/token-split-upgrade.md).

# Token split upgrade

\#ARC20 Partial token coloring protocol upgrade

### [/mainnet/v1/atomical/balance/{address}​](https://api-testnet.atomicalmarket.com/swagger#tag/default/get/mainnet/v1/atomical/balance/{address})

Added a **tokenAmount** filed to **TokenBalance.utxos .** Clients should use this **tokenAmount** instead **value** to get the token amount in this utxo.  

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testnet usage guide: <https://docs.atomicalmarket.com/#testnet>