UnfreezeBalanceV2

Unstake some TRX staked in Stake2.0, release the corresponding amount of bandwidth or energy, and voting rights (TP). This method will use 30 Compute Units.

Unlock the TRX staked at the Stake 2.0 stage through this interface. After unstaking, the user needs to wait for 14 days before calling the /wallet/withdrawexpireunfreeze interface to withdraw the funds of this unstaking. When executing unstaking, if there is a previously unstaked funds that has passed the lock-up period, then this unstaking operation will also withdraw the unstaked funds that has passed the lock-up period to the account at the same time. You can query the amount of funds withdrawn in this transaction through gettransactioninfobyid API.

Parameters

owner_address - String, required - Owner address, default hexString
unfreeze_balance - int64, required - The amount of TRX to unstake, in sun
resource - String, required - TRX stake type, ‘BANDWIDTH’ or ‘ENERGY’
Permission_id - int32 - Optional, for multi-signature use
visible - Boolean - Optional. Specifies whether the address is in Base58 format (default: false).

Returns

Transaction object - JSON object: Unsigned transaction, please refer to the Transaction chapter for the fields contained in it. Since the transaction type is UnfreezeBalanceV2Contract, the fields contained in raw_data.contract[0].parameter.value in the transaction are as follows:

Field	Type	Description
owner_address	string	Account address
resource	string	Resource type
unfreeze_balance	int64	Unstake amount, unit is sun

// Result
{
  "visible": true,
  "txID": "473bbb59203742c76b1ecbf2e0a5bc3962f37167ece01261d6680c9c8fcbe290",
  "raw_data": {
    "contract": [
      {
        "parameter": {
          "value": {
            "resource": "ENERGY",
            "frozen_balance": 10000000,
            "owner_address": "TZ4UXDV5ZhNW7fb2AMSbgfAEZ7hWsnYS2g"
          },
          "type_url": "type.googleapis.com/protocol.FreezeBalanceV2Contract"
        },
        "type": "FreezeBalanceV2Contract"
      }
    ],
    "ref_block_bytes": "5abf",
    "ref_block_hash": "137f27cb4608aa7d",
    "expiration": 1756821201000,
    "timestamp": 1756821142996
  },
  "raw_data_hex": "0a025abf2208137f27cb4608aa7d40e8c0d0d590335a5a083612560a34747970652e676f6f676c65617069732e636f6d2f70726f746f636f6c2e467265657a6542616c616e63655632436f6e7472616374121e0a1541fd49eda0f23ff7ec1d03b52c3a45991c24cd440e1080ade204180170d4fbccd59033"
}

curl https://mainnet.tron.validationcloud.io/v1/<YOUR_API_KEY_HERE>/wallet/unfreezebalancev2 \
    -X POST \
    -H "Content-Type: application/json" \
    -d '
{
  "owner_address": "TZ4UXDV5ZhNW7fb2AMSbgfAEZ7hWsnYS2g",
  "unfreeze_balance": 1000000,
  "resource": "BANDWIDTH",
  "visible": true
}
'

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