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POST
/
be84184cd12967be5a65d06651c60085
eth_blobBaseFee
curl --request POST \
  --url https://plasma-mainnet.core.chainstack.com/be84184cd12967be5a65d06651c60085 \
  --header 'Content-Type: application/json' \
  --data '
{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "eth_blobBaseFee",
  "params": []
}
'
import requests

url = "https://plasma-mainnet.core.chainstack.com/be84184cd12967be5a65d06651c60085"

payload = {
"id": 1,
"jsonrpc": "2.0",
"method": "eth_blobBaseFee",
"params": []
}
headers = {"Content-Type": "application/json"}

response = requests.post(url, json=payload, headers=headers)

print(response.text)
const options = {
method: 'POST',
headers: {'Content-Type': 'application/json'},
body: JSON.stringify({id: 1, jsonrpc: '2.0', method: 'eth_blobBaseFee', params: []})
};

fetch('https://plasma-mainnet.core.chainstack.com/be84184cd12967be5a65d06651c60085', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));
<?php

$curl = curl_init();

curl_setopt_array($curl, [
CURLOPT_URL => "https://plasma-mainnet.core.chainstack.com/be84184cd12967be5a65d06651c60085",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => json_encode([
'id' => 1,
'jsonrpc' => '2.0',
'method' => 'eth_blobBaseFee',
'params' => [

]
]),
CURLOPT_HTTPHEADER => [
"Content-Type: application/json"
],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}
package main

import (
"fmt"
"strings"
"net/http"
"io"
)

func main() {

url := "https://plasma-mainnet.core.chainstack.com/be84184cd12967be5a65d06651c60085"

payload := strings.NewReader("{\n \"id\": 1,\n \"jsonrpc\": \"2.0\",\n \"method\": \"eth_blobBaseFee\",\n \"params\": []\n}")

req, _ := http.NewRequest("POST", url, payload)

req.Header.Add("Content-Type", "application/json")

res, _ := http.DefaultClient.Do(req)

defer res.Body.Close()
body, _ := io.ReadAll(res.Body)

fmt.Println(string(body))

}
HttpResponse<String> response = Unirest.post("https://plasma-mainnet.core.chainstack.com/be84184cd12967be5a65d06651c60085")
.header("Content-Type", "application/json")
.body("{\n \"id\": 1,\n \"jsonrpc\": \"2.0\",\n \"method\": \"eth_blobBaseFee\",\n \"params\": []\n}")
.asString();
require 'uri'
require 'net/http'

url = URI("https://plasma-mainnet.core.chainstack.com/be84184cd12967be5a65d06651c60085")

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

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n \"id\": 1,\n \"jsonrpc\": \"2.0\",\n \"method\": \"eth_blobBaseFee\",\n \"params\": []\n}"

response = http.request(request)
puts response.read_body
{
  "jsonrpc": "<string>",
  "id": 123,
  "result": {}
}
Plasma API method that returns the base fee for blob gas in Wei.

Parameters

None

Response

  • quantity — the current blob base fee in Wei

eth_blobBaseFee code examples

const { JsonRpcProvider } = require("ethers");

const provider = new JsonRpcProvider("CHAINSTACK_NODE_URL");

async function call() {
  const result = await provider.send("eth_blobBaseFee", []);
  console.log(result);
}

call();
from web3 import Web3

node_url = "CHAINSTACK_NODE_URL"
web3 = Web3(Web3.HTTPProvider(node_url))

# Make the call
# Add your parameters here
# result = web3.eth.<method_name>(...)
print(result)
curl -X POST "CHAINSTACK_NODE_URL" \
  -H "Content-Type: application/json" \
  --data '{
    "jsonrpc": "2.0",
    "method": "eth_blobBaseFee",
    "params": [],
    "id": 1
  }'

Body

application/json
id
integer
default:1
jsonrpc
string
default:2.0
method
string
default:eth_blobBaseFee
params
any[]

Response

200 - application/json

Returns the base fee for blob gas in wei.

jsonrpc
string
id
integer
result
object | null
Last modified on July 7, 2026