👉 Estimate gas for transaction

Code samples

POST /api/v1/eth/account/estimate-gas

Estimates the gas required for a transaction using eth_estimateGas.

Body parameter

{
  "transaction": {
    "from": "string",
    "to": "string",
    "gas": "string",
    "gasPrice": "string",
    "maxFeePerGas": "string",
    "maxPriorityFeePerGas": "string",
    "value": "string",
    "data": "string",
    "nonce": "string"
  },
  "block": "latest"
}

🛠️ Parameters

Name	In	Type	Required	Description
body	body	object	true	none
» transaction	body	EthTransactionRequest	true	Ethereum transaction parameters used with `eth_call`, `eth_estimateGas` and `eth_sendTransaction`.
»» from	body	string	false	Sender address.
»» to	body	string¦null	false	Recipient address, or null for contract creation.
»» gas	body	string	false	Gas limit as hex QUANTITY.
»» gasPrice	body	string	false	Legacy gas price as hex QUANTITY.
»» maxFeePerGas	body	string	false	EIP-1559 max fee per gas as hex QUANTITY.
»» maxPriorityFeePerGas	body	string	false	EIP-1559 priority fee per gas as hex QUANTITY.
»» value	body	string	false	Amount of wei to send as hex QUANTITY.
»» data	body	string	false	Call data or contract deployment bytecode.
»» nonce	body	string	false	Nonce as hex QUANTITY.
» block	body	string	false	Optional block number or tag; defaults to `latest`.

Example responses

200 Response

{
  "gas": "0x5208"
}

🔁 Responses

Status	Meaning	Description	Schema
200	OK	Estimated gas	Inline
422	Unprocessable Entity	Invalid request body (missing or invalid `transaction`)	None
500	Internal Server Error	Could not connect to ETH node	None

🔄 Response Schema

Status Code 200

Name	Type	Required	Restrictions	Description
» gas	string	false	none	Gas estimate as hex QUANTITY from `eth_estimateGas`.