Estimate energy usage for contract call

Estimates the amount of energy that will be consumed by a smart contract call with given parameters.

This endpoint expects an object.

owner_addressstringRequired

Base58 address calling the contract.

contract_addressstringRequired

Base58 address of the contract to call.

datastringRequired

Hex-encoded call data (function selector and arguments).

call_valueintegerOptional

Amount of TRX to transfer with the call (in SUN).

visiblebooleanOptional

Indicates if addresses are base58 (true) or hex (false).

Energy estimation for contract call.

energy_requiredinteger or null

Estimated energy required for the call.

resultboolean or null

Whether the estimation was successful.

messagestring or null

Additional message or error.

1	curl -X POST https://tron-mainnet.g.alchemy.com/v2/docs-demo/wallet/estimateenergy \
2	-H "Content-Type: application/json" \
3	-d '{
4	"owner_address": "TZ4UXDV5ZhNW7fb2AMSbgfAEZ7hWsnYS2g",
5	"contract_address": "TXYZopYRdj2D9XRtbG411XZZ3kM5VkAeBf",
6	"data": "a9059cbb0000000000000000000000001500f43493489e872ec5d8817813944dfce319d500000000000000000000000000000000000000000000000000000000813871c0"
7	}'

1	{
2	"energy_required": 28560,
3	"result": true,
4	"message": "Estimation completed successfully"
5	}