eth_feeHistory

Description

Returns base fee per gas and effective priority fee history.

Parameters

Parameter	Type	Required	Description
blockCount	hex	Yes	Number of blocks (hex)
newestBlock	blockTag	Yes	Newest block
rewardPercentiles	array	No	Reward percentiles

Request

{
  "jsonrpc": "2.0",
  "method": "eth_feeHistory",
  "params": [
    "0x4",
    "latest",
    "[25, 75]"
  ],
  "id": 1
}

Code Examples

cURL

curl -X POST https://eth-mainnet.blockreq.com/v1/rpc/public \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","method":"eth_feeHistory","params":["0x4","latest","[25, 75]"],"id":1}'

TypeScript

const response = await fetch("https://eth-mainnet.blockreq.com/v1/rpc/public", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
  "jsonrpc": "2.0",
  "method": "eth_feeHistory",
  "params": [
    "0x4",
    "latest",
    "[25, 75]"
  ],
  "id": 1
}),
});
const data = await response.json();
console.log(data.result);

Python

import requests

response = requests.post(
    "https://eth-mainnet.blockreq.com/v1/rpc/public",
    json={
    "jsonrpc": "2.0",
    "method": "eth_feeHistory",
    "params": [
        "0x4",
        "latest",
        "[25, 75]"
    ],
    "id": 1
}
)
print(response.json()["result"])

Go

package main

import (
  "bytes"
  "encoding/json"
  "fmt"
  "io"
  "net/http"
)

func main() {
  payload := []byte(`{"jsonrpc":"2.0","method":"eth_feeHistory","params":["0x4","latest","[25, 75]"],"id":1}`)
  resp, err := http.Post(
    "https://eth-mainnet.blockreq.com/v1/rpc/public",
    "application/json",
    bytes.NewBuffer(payload),
  )
  if err != nil {
    panic(err)
  }
  defer resp.Body.Close()

  body, _ := io.ReadAll(resp.Body)
  var result map[string]interface{}
  json.Unmarshal(body, &result)
  fmt.Println(result["result"])
}

Try It