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JSON-RPCMethods

eth_estimateGas: parameters, returns and CU

Estimate the gas limit a transaction would need. See parameters, return value, CU metering and supported chains for this method.

Summary

Estimate the gas limit a transaction would need.

Compute Units (CU) and Pricing

CU per call

20 CU

Price per 1M calls (USD)

$2

Parameters

ParameterTypeDescription
transactionobjectTransaction call object that may include from, to, gas, gasPrice, maxFeePerGas, maxPriorityFeePerGas, value and data/input; it is only simulated and changes no on-chain state.
blockParameterQUANTITY|TAGOptional block number or tag for the estimate: latest, earliest, pending, safe or finalized; defaults to the latest block.

Returns

  • Type: QUANTITY
  • Description: Estimated gas amount as a 0x-prefixed hexadecimal quantity.

Notes

The estimate runs against the state of the given block; if the call would revert, clients normally return an error instead of a number.

Request Example

curl -X POST "https://dev-api.blockvectra.network/v1/robinhood_mainnet" \
  -H 'Content-Type: application/json' \
  -H 'x-api-key: <api_key>' \
  -d '{
    "jsonrpc": "2.0",
    "method": "eth_estimateGas",
    "params": [
      {
        "from": "<from>",
        "to": "<to>",
        "data": "<data>"
      },
      "latest"
    ],
    "id": 1
  }'

Supported Chains

Supported chains:

  • EthereumBetaeth_mainnet
  • HyperEVMhyperevm_mainnet
  • Robinhood Chainrobinhood_mainnet