eth_feeHistory

Retrieves historical gas fee data for Ethereum transactions, aiding in better gas price estimation and transaction planning based on past network activity

Request

Examples

curl --request POST \
     --url https://rpc.xone.org \
     --header 'accept: application/json' \
     --header 'content-type: application/json' \
     --data '
{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "eth_feeHistory",
  "params": [
    4,
    4,
    4
  ]
}

Response

200 OK

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "oldestBlock": "0x130b1e6",
    "reward": [
      [
        "0x5041e1e",
        "0xdd221b80"
      ],
      [
        "0x5041e1e",
        "0xb8346df0"
      ],
      [
        "0x55d4a80",
        "0xb2d05e00"
      ],
      [
        "0x4dd9818",
        "0x3b9aca00"
      ]
    ],
    "baseFeePerGas": [
      "0x52d80a82c",
      "0x50f43f659",
      "0x50012de8d",
      "0x4e30357d6",
      "0x57efff9e7"
    ],
    "gasUsedRatio": [
      0.40875283333333334,
      0.45308523333333334,
      0.4091907,
      0.9987537
    ],
    "baseFeePerBlobGas": [
      "0x1",
      "0x1",
      "0x1",
      "0x1",
      "0x1"
    ],
    "blobGasUsedRatio": [
      0.5,
      1,
      0.6666666666666666,
      1
    ]
  }
}

Request params

Name	Type	Description
id	integer	Request identifier
jsonrpc	string	JSON-RPC version
method	string	API method name
Parameters	array
blockCount	integer	The number of blocks for which to retrieve fee history.
newestBlock	string	The highest block number (inclusive) to be used as the reference point. Can be a block number or a string ("latest", "pending").
rewardPercentiles	array_of_integers	(optional) A list of percentiles for which to return gas used and priority fees per block.

Response

200

Name	Type	Description
Parameters	array
id	integer
jsonrpc	string
result	array_of_strings	A list of addresses owned by the client.

Gas estimation eth_estimateGas