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eth_call

Executes a new message call immediately without creating a transaction on the blockchain.

Gas parameter is capped

To prevent API abuse, the gas parameter in eth_estimateGas and this eth_call method is capped at 10x (1000%) the current block gas limit.

Parameters​

  • from: 20 bytes [required] Address the transaction is sent from.
  • to: 20 bytes - Address the transaction is directed to.
  • gas: Hexadecimal value of the gas provided for the transaction execution. eth_call consumes zero gas, but this parameter may be needed by some executions.
  • gasPrice: Hexadecimal value of the gasPrice used for each paid gas.
  • maxPriorityFeePerGas: Maximum fee, in wei, the sender is willing to pay per gas above the base fee. See EIP-1559 transactions.
  • maxFeePerGas: Maximum total fee (base fee + priority fee), in wei, the sender is willing to pay per gas. See EIP-1559 transactions.
  • value: Hexadecimal of the value sent with this transaction.
  • data: Hash of the method signature and encoded parameters. See Ethereum contract ABI specification.
  • blockParameter: (string) [required] A hexadecimal block number, or one of the tags latest, earliest, pending or finalized. See the default block parameter.
    warning

    safe isn't supported. Use finalized instead.

Returns​

The returned value of the executed contract.

If this call causes the EVM to execute a REVERT operation, an error response of the following form is returned, with the revert reason pre-decoded as a string:

{
  "jsonrpc": "2.0",
  "id": 1,
  "error": {
    "code": 3,
    "message": "execution reverted: Dai/insufficient-balance",
    "data": "0x08c379a0000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000184461692f696e73756666696369656e742d62616c616e63650000000000000000"
  }
}

Example​

Replace <YOUR-API-KEY> with an API key from your MetaMask Developer dashboard.

Request​

curl https://unichain-sepolia.infura.io/v3/<YOUR-API-KEY> \
  -X POST \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc": "2.0", "method": "eth_call", "params": [{"from": "0xb60e8dd61c5d32be8058bb8eb970870f07233155", "to": "0xd46e8dd67c5d32be8058bb8eb970870f07244567", "gas": "0x76c0", "gasPrice": "0x9184e72a000", "value": "0x9184e72a", "data": "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"}, "latest"], "id": 1}'

Response​

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "0x"
}