eth_maxPriorityFeePerGas
curl --request POST \
--url https://arc-testnet.core.chainstack.com/6caa7fd90475ac9214f7521dd460fa7c/ \
--header 'Content-Type: application/json' \
--data '
{
"id": 1,
"jsonrpc": "2.0",
"method": "eth_maxPriorityFeePerGas",
"params": []
}
'import requests
url = "https://arc-testnet.core.chainstack.com/6caa7fd90475ac9214f7521dd460fa7c/"
payload = {
"id": 1,
"jsonrpc": "2.0",
"method": "eth_maxPriorityFeePerGas",
"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_maxPriorityFeePerGas', params: []})
};
fetch('https://arc-testnet.core.chainstack.com/6caa7fd90475ac9214f7521dd460fa7c/', 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://arc-testnet.core.chainstack.com/6caa7fd90475ac9214f7521dd460fa7c/",
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_maxPriorityFeePerGas',
'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://arc-testnet.core.chainstack.com/6caa7fd90475ac9214f7521dd460fa7c/"
payload := strings.NewReader("{\n \"id\": 1,\n \"jsonrpc\": \"2.0\",\n \"method\": \"eth_maxPriorityFeePerGas\",\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://arc-testnet.core.chainstack.com/6caa7fd90475ac9214f7521dd460fa7c/")
.header("Content-Type", "application/json")
.body("{\n \"id\": 1,\n \"jsonrpc\": \"2.0\",\n \"method\": \"eth_maxPriorityFeePerGas\",\n \"params\": []\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://arc-testnet.core.chainstack.com/6caa7fd90475ac9214f7521dd460fa7c/")
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_maxPriorityFeePerGas\",\n \"params\": []\n}"
response = http.request(request)
puts response.read_body{
"jsonrpc": "2.0",
"id": 1,
"result": "0x8f0d1800"
}Arc node API
eth_maxPriorityFeePerGas | Arc
Arc API method that returns the current maximum priority fee per gas. This is the fee tip that goes to validators on top of the base fee.
POST
/
eth_maxPriorityFeePerGas
curl --request POST \
--url https://arc-testnet.core.chainstack.com/6caa7fd90475ac9214f7521dd460fa7c/ \
--header 'Content-Type: application/json' \
--data '
{
"id": 1,
"jsonrpc": "2.0",
"method": "eth_maxPriorityFeePerGas",
"params": []
}
'import requests
url = "https://arc-testnet.core.chainstack.com/6caa7fd90475ac9214f7521dd460fa7c/"
payload = {
"id": 1,
"jsonrpc": "2.0",
"method": "eth_maxPriorityFeePerGas",
"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_maxPriorityFeePerGas', params: []})
};
fetch('https://arc-testnet.core.chainstack.com/6caa7fd90475ac9214f7521dd460fa7c/', 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://arc-testnet.core.chainstack.com/6caa7fd90475ac9214f7521dd460fa7c/",
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_maxPriorityFeePerGas',
'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://arc-testnet.core.chainstack.com/6caa7fd90475ac9214f7521dd460fa7c/"
payload := strings.NewReader("{\n \"id\": 1,\n \"jsonrpc\": \"2.0\",\n \"method\": \"eth_maxPriorityFeePerGas\",\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://arc-testnet.core.chainstack.com/6caa7fd90475ac9214f7521dd460fa7c/")
.header("Content-Type", "application/json")
.body("{\n \"id\": 1,\n \"jsonrpc\": \"2.0\",\n \"method\": \"eth_maxPriorityFeePerGas\",\n \"params\": []\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://arc-testnet.core.chainstack.com/6caa7fd90475ac9214f7521dd460fa7c/")
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_maxPriorityFeePerGas\",\n \"params\": []\n}"
response = http.request(request)
puts response.read_body{
"jsonrpc": "2.0",
"id": 1,
"result": "0x8f0d1800"
}Arc API method that returns the current maximum priority fee per gas. This is the fee tip that goes to validators on top of the base fee.
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Parameters
None.Response
result— the current max priority fee per gas encoded as hexadecimal (in wei)
eth_maxPriorityFeePerGas code examples
const ethers = require('ethers');
const NODE_URL = "CHAINSTACK_NODE_URL";
const provider = new ethers.JsonRpcProvider(NODE_URL);
const getMaxPriorityFee = async () => {
const feeData = await provider.getFeeData();
console.log(`Max Priority Fee: ${ethers.formatUnits(feeData.maxPriorityFeePerGas, "gwei")} gwei`);
// Or using raw RPC
const maxPriorityFee = await provider.send("eth_maxPriorityFeePerGas", []);
console.log(`Raw response: ${maxPriorityFee}`);
console.log(`In gwei: ${ethers.formatUnits(maxPriorityFee, "gwei")}`);
};
getMaxPriorityFee();
from web3 import Web3
node_url = "CHAINSTACK_NODE_URL"
web3 = Web3(Web3.HTTPProvider(node_url))
# Get max priority fee
max_priority_fee = web3.eth.max_priority_fee
print(f"Max Priority Fee: {web3.from_wei(max_priority_fee, 'gwei')} gwei")
# Using raw RPC
result = web3.provider.make_request("eth_maxPriorityFeePerGas", [])
print(f"Raw response: {result['result']}")
curl -X POST "CHAINSTACK_NODE_URL" \
-H "Content-Type: application/json" \
-d '{"jsonrpc": "2.0", "method": "eth_maxPriorityFeePerGas", "params": [], "id": 1}'
Last modified on August 3, 2026
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