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POST
/
95e61622bf6a8af293978377718e3b77
/
wallet
/
triggersmartcontract
wallet/triggersmartcontract
curl --request POST \
  --url https://tron-mainnet.core.chainstack.com/95e61622bf6a8af293978377718e3b77/wallet/triggersmartcontract \
  --header 'Content-Type: application/json' \
  --data '
{
  "contract_address": "41a614f803b6fd780986a42c78ec9c7f77e6ded13c",
  "function_selector": "transfer(address,uint256)",
  "parameter": "000000000000000000000000e9d79cc47518930bc322d9bf7cddd260a0260a8d00000000000000000000000000000000000000000000000000000000000003e8",
  "owner_address": "41608f8da72479edc7dd921e4c30bb7e7cddbe722e",
  "call_value": 0,
  "fee_limit": 10000000,
  "visible": false
}
'
{
  "result": {
    "result": true,
    "code": "<string>",
    "message": "<string>"
  },
  "energy_used": 123,
  "constant_result": [
    "<string>"
  ],
  "transaction": {},
  "logs": "<array>"
}
TRON API method that triggers a smart contract function call. This method creates a transaction to interact with deployed smart contracts on the TRON network, allowing you to call contract functions with specified parameters.
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​
Parameters

  • contract_address — the smart contract address (hex format)
  • function_selector — the function signature to call (e.g., “transfer(address,uint256)”)
  • parameter — encoded parameters for the function call (hex format)
  • owner_address — the caller’s TRON address (hex format)
  • call_value — optional TRX amount to send with the call (in sun)
  • fee_limit — maximum energy cost for the transaction (in sun)
  • visible — optional boolean to specify address format (default: false for hex format)

​
Response

  • result — execution result object containing:
    • result — boolean indicating call success
    • code — status code
    • message — error message if call failed
  • energy_used — amount of energy consumed
  • constant_result — array of return values from the contract function
  • transaction — transaction object if creating a transaction
  • logs — array of event logs generated during execution

​
Use case

The wallet/triggersmartcontract method is used for:
  • Calling smart contract functions to read data or execute state changes.
  • Interacting with DApps and DeFi protocols on the TRON network.
  • Token transfers using TRC-20 contract methods.
  • Querying contract state and executing complex business logic.

Body

application/json
​
contract_address
string
default:41a614f803b6fd780986a42c78ec9c7f77e6ded13c
required
​
function_selector
string
default:transfer(address,uint256)
required
​
parameter
string
default:000000000000000000000000e9d79cc47518930bc322d9bf7cddd260a0260a8d00000000000000000000000000000000000000000000000000000000000003e8
required
​
owner_address
string
default:41608f8da72479edc7dd921e4c30bb7e7cddbe722e
required
​
call_value
integer
default:0
​
fee_limit
integer
default:10000000
​
visible
boolean
default:false

Response

200 - application/json

Smart contract execution result

​
result
object
​
energy_used
integer
​
constant_result
string[]
​
transaction
object
​
logs
array