/sendTransactionToTronContractWithContractInfo

1 min

POST

Executes a Tron smart contract function call as an actual blockchain transaction. This endpoint handles the complete transaction lifecycle including parameter encoding, gas estimation, and transaction submission. Use evaluateSmartContractTransactionWithContractInfo first to test your parameters before sending the actual transaction.

Use evaluateSmartContractTransactionWithContractInfo first to test parameters. Return: JSON object containing approval status and transaction details.

-------------------- Request --------------------

    sendTransactionToTronContractWithContractInfo(
      account_id=1,
      FunctionName="decimals",
      parameters_fields_types_and_values=[["address","TJf2aDMjthsPh64HGZ9qbjPCMvk1FwVRqB"], ["uint256","100000000000000000"]],
      validateTransaction=True
      max_fee=10000000,
      amount="0",
      contract_address="TQGyKudCwYEzVVaKVrdz5FdXjEWaK8eRZ1",
      description=""
)

-------------------- Response --------------------

Response Example:

{ "FunctionData": { "ApprovalRequestStatus": 3, "CoinType": "TRX", "Transactions": [ { "AmountToTransfer": "0", "DestinationAddress": "TG3XXyExBkPp9nzdajDZsozEu4BkaSJozs" } ] }, "Meta": { "AccessToken": "7daa...33f", "Destination": "04bc...9e2", "Source": "3dcf...ba4", "Time": "2025-05-28 08:33

.205" } }

account_idintegerThe account ID to use.

contract_addressstringDestination contract address (TRON).

amountstringAmount in Sun to send with the transaction.

max_feeintegerMaximum validator fee.

function_namestringContract function name (without parameters).

parameters_fields_types_and_valuesarrayList of {type, value} pairs encoded per Solidity ABI (all scalar values as strings).

validate_transactionbooleanIf true, pre-validates against a node and blocks likely-to-fail transactions.

descriptionstringFree-text note stored in your records (off-chain).

specificFromAddressstringOptional deposit address to send from (not for omnibus accounts).

acceptstringGenerated from available response content types

200success

curl --request POST \
     --url '/sendTransactionToTronContractWithContractInfo?account_id=1&contract_address=TQGyKudCwYEzVVaKVrdz5FdXjEWaK8eRZ1&amount=0&max_fee=10000000&function_name=decimals&parameters_fields_types_and_values=[{%22type%22%3A%22address%22%2C%22value%22%3A%22TJf2aDMjthsPh64HGZ9qbjPCMvk1FwVRqB%22}%2C{%22type%22%3A%22uint256%22%2C%22value%22%3A%22100000000000000000%22}]&validate_transaction=true' \
     --header 'accept: application/json'