Docs
Supported ChainsTRONEthereum JSON-RPC APISmart Contract Methods

eth_call - TRON RPC Method

Execute smart contract calls without creating transactions on TRON. Essential for reading contract state for TRC-20 transfers, wallet operations, and EVM-compatible smart contract integrations.

Executes a new message call immediately without creating a transaction on TRON. Used for reading smart contract state.

Why TRON? Build on the TVM-compatible Layer 1 for TRC-20 payments, wallet APIs, and low-cost smart contract execution with TVM compatibility paired with native TRON wallet APIs, DPoS block production, and low-cost transaction flows.

Use Cases

The eth_call method is essential for:

  • Reading contract state - Query view/pure functions
  • Simulating transactions - Test execution without gas costs
  • DeFi integrations - Check prices, balances, allowances for TRC-20 transfers, wallet operations, and EVM-compatible smart contract integrations
  • Complex queries - Execute multi-step contract logic

Request Parameters

Request
fromDATA

20-byte address executing the call

toDATA

20-byte contract address

gasQUANTITY

Gas limit for the call

gasPriceQUANTITY

Gas price in wei

valueQUANTITY

Value to send in wei

dataDATA

Encoded function call data

blockParameterQUANTITY|TAG

Block number or tag

Response Body

Response
resultDATA

The return value of the executed contract function

Code Examples

Bash
# Call ERC20 balanceOf function
curl -X POST https://api-tron-mainnet.n.dwellir.com/YOUR_API_KEY/jsonrpc \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "method": "eth_call",
    "params": [{
      "to": "0xc7885b2334355ba766f54a3ad14d5a5339934bb3",
      "data": "0x70a08231000000000000000000000000c7885b2334355ba766f54a3ad14d5a5339934bb3"
    }, "latest"],
    "id": 1
  }'

Error Handling

Error CodeMessageDescription
-32000Execution revertedContract function reverted
-32602Invalid parametersInvalid data encoding
-32015VM execution errorContract logic error