eth_feeHistory

Fee history

Returns base fees and gas usage for the requested block range — input for EIP-1559 fee estimation.

POST

https://eth.rpc.pinax.network/v1/<API_KEY>/

Required parameters

Name	Type	Description
blockCountrequired	hex	Number of blocks to look back (hex, max 1024). e.g. 0x5
newestBlockrequired	block	Newest block in the range. e.g. latest

Optional parameters

Name	Type	Description
rewardPercentiles	json	JSON array of percentiles (0-100) to compute reward values for. e.g. [25,50,75]

Request body

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "eth_feeHistory",
  "params": [
    "0x5",
    "latest",
    "[25,50,75]"
  ]
}

Response

200 OK

Object with `baseFeePerGas`, `gasUsedRatio`, and optional `reward`.

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "oldestBlock": "0x14a2bfa",
    "baseFeePerGas": [
      "0x3a3529440",
      "0x39d8a4a10",
      "0x3a8c1b290",
      "0x3b1abf3a0",
      "0x3a78b8c80",
      "0x3a04bc320"
    ],
    "gasUsedRatio": [
      0.42,
      0.51,
      0.49,
      0.45,
      0.5
    ],
    "reward": [
      [
        "0x3b9aca00",
        "0x77359400",
        "0xee6b2800"
      ]
    ]
  }
}