eth_feeHistory RPC Method

Parameters

blockCount

string/integer

REQUIRED

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newestBlock

string

REQUIRED

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rewardPercentiles

integer

REQUIRED

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Returns

oldestBlock

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baseFeePerGas

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gasUsedRatio

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reward

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Request

curl https://docs-demo.quiknode.pro/ \
  -X POST \
  -H "Content-Type: application/json" \
  --data '{"method":"eth_feeHistory","params":[4, "latest", [25, 75]],"id":1,"jsonrpc":"2.0"}'

require 'eth'

client = Eth::Client.create 'https://docs-demo.quiknode.pro/'
payload = {
    "jsonrpc": "2.0",
    "method": "eth_feeHistory",
    "params": [4, "latest", [25, 75]],
    "id": "1"
}

response = client.send(payload.to_json)
puts response

import { ethers } from "ethers";
(async () => {
  const provider = new ethers.JsonRpcProvider("https://docs-demo.quiknode.pro/");
  const response = await provider.send("eth_feeHistory", [4, "latest", [25, 75]]);
  console.log(response);
})();

var myHeaders = new Headers();
myHeaders.append("Content-Type", "application/json");

var raw = JSON.stringify({
  "method": "eth_feeHistory",
  "params": [
    4,
    "latest",
    [
      25, 75
    ]
  ],
  "id": 1,
  "jsonrpc": "2.0"
});

var requestOptions = {
  method: 'POST',
  headers: myHeaders,
  body: raw,
  redirect: 'follow'
};

fetch("https://docs-demo.quiknode.pro/", requestOptions)
  .then(response => response.text())
  .then(result => console.log(result))
  .catch(error => console.log('error', error));

import requests
import json

url = "https://docs-demo.quiknode.pro/"

payload = json.dumps({
  "method": "eth_feeHistory",
  "params": [
    4,
    "latest",
    [
      25, 75
    ]
  ],
  "id": 1,
  "jsonrpc": "2.0"
})
headers = {
  'Content-Type': 'application/json'
}

response = requests.request("POST", url, headers=headers, data=payload)

print(response.text)

require "uri"
require "json"
require "net/http"

url = URI("https://docs-demo.quiknode.pro/")

https = Net::HTTP.new(url.host, url.port)
https.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Content-Type"] = "application/json"
request.body = JSON.dump({
  "method": "eth_feeHistory",
  "params": [
    4,
    "latest",
    [
      25, 75
    ]
  ],
  "id": 1,
  "jsonrpc": "2.0"
})

response = https.request(request)
puts response.read_body

from web3 import Web3, HTTPProvider
provider = Web3.HTTPProvider("https://docs-demo.quiknode.pro/")
result = provider.make_request('eth_feeHistory', [4, "latest", [25, 75]])
print(result)

import { Core } from '@quicknode/sdk'

const core = new Core({
  endpointUrl: "https://docs-demo.quiknode.pro/",
})

core.client
    .getFeeHistory({
      blockCount: 4,
      rewardPercentiles: [25, 75]
    })

Response

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "oldestBlock": "0x1554ec2",
    "reward": [
      [
        "0x4b571c0",
        "0x2f23c46c"
      ],
      [
        "0x396c1b9",
        "0x4d579d50"
      ],
      [
        "0x77359400",
        "0x77359400"
      ],
      [
        "0x2faf080",
        "0x3b9aca00"
      ]
    ],
    "baseFeePerGas": [
      "0x3af6c9f1",
      "0x3b19496d",
      "0x36647614",
      "0x302c838b",
      "0x359f85b3"
    ],
    "gasUsedRatio": [
      0.5091416944444445,
      0.18145872222222223,
      0.04269041059401201,
      0.9524652037856148
    ],
    "baseFeePerBlobGas": [
      "0x320b8540d",
      "0x384cf5f4e",
      "0x3f5694c1f",
      "0x44831ac79",
      "0x3f5694c1f"
    ],
    "blobGasUsedRatio": [
      1,
      1,
      0.8333333333333334,
      0.16666666666666666
    ]
  }
}

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