eth_maxPriorityFeePerGas
curl --request POST \
--url https://base-mainnet.core.chainstack.com/2fc1de7f08c0465f6a28e3c355e0cb14 \
--header 'Content-Type: application/json' \
--data '
{
"jsonrpc": "2.0",
"method": "eth_maxPriorityFeePerGas",
"id": 1
}
'import requests
url = "https://base-mainnet.core.chainstack.com/2fc1de7f08c0465f6a28e3c355e0cb14"
payload = {
"jsonrpc": "2.0",
"method": "eth_maxPriorityFeePerGas",
"id": 1
}
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({jsonrpc: '2.0', method: 'eth_maxPriorityFeePerGas', id: 1})
};
fetch('https://base-mainnet.core.chainstack.com/2fc1de7f08c0465f6a28e3c355e0cb14', 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://base-mainnet.core.chainstack.com/2fc1de7f08c0465f6a28e3c355e0cb14",
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([
'jsonrpc' => '2.0',
'method' => 'eth_maxPriorityFeePerGas',
'id' => 1
]),
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://base-mainnet.core.chainstack.com/2fc1de7f08c0465f6a28e3c355e0cb14"
payload := strings.NewReader("{\n \"jsonrpc\": \"2.0\",\n \"method\": \"eth_maxPriorityFeePerGas\",\n \"id\": 1\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://base-mainnet.core.chainstack.com/2fc1de7f08c0465f6a28e3c355e0cb14")
.header("Content-Type", "application/json")
.body("{\n \"jsonrpc\": \"2.0\",\n \"method\": \"eth_maxPriorityFeePerGas\",\n \"id\": 1\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://base-mainnet.core.chainstack.com/2fc1de7f08c0465f6a28e3c355e0cb14")
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 \"jsonrpc\": \"2.0\",\n \"method\": \"eth_maxPriorityFeePerGas\",\n \"id\": 1\n}"
response = http.request(request)
puts response.read_body{
"jsonrpc": "<string>",
"id": 123,
"result": "<string>"
}Base node API
eth_maxPriorityFeePerGas | Base
Base API method eth_maxPriorityFeePerGas queries the current maximum priority fee per gas. eth_maxPriorityFeePerGas on Base via Chainstack.
POST
/
2fc1de7f08c0465f6a28e3c355e0cb14
eth_maxPriorityFeePerGas
curl --request POST \
--url https://base-mainnet.core.chainstack.com/2fc1de7f08c0465f6a28e3c355e0cb14 \
--header 'Content-Type: application/json' \
--data '
{
"jsonrpc": "2.0",
"method": "eth_maxPriorityFeePerGas",
"id": 1
}
'import requests
url = "https://base-mainnet.core.chainstack.com/2fc1de7f08c0465f6a28e3c355e0cb14"
payload = {
"jsonrpc": "2.0",
"method": "eth_maxPriorityFeePerGas",
"id": 1
}
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({jsonrpc: '2.0', method: 'eth_maxPriorityFeePerGas', id: 1})
};
fetch('https://base-mainnet.core.chainstack.com/2fc1de7f08c0465f6a28e3c355e0cb14', 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://base-mainnet.core.chainstack.com/2fc1de7f08c0465f6a28e3c355e0cb14",
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([
'jsonrpc' => '2.0',
'method' => 'eth_maxPriorityFeePerGas',
'id' => 1
]),
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://base-mainnet.core.chainstack.com/2fc1de7f08c0465f6a28e3c355e0cb14"
payload := strings.NewReader("{\n \"jsonrpc\": \"2.0\",\n \"method\": \"eth_maxPriorityFeePerGas\",\n \"id\": 1\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://base-mainnet.core.chainstack.com/2fc1de7f08c0465f6a28e3c355e0cb14")
.header("Content-Type", "application/json")
.body("{\n \"jsonrpc\": \"2.0\",\n \"method\": \"eth_maxPriorityFeePerGas\",\n \"id\": 1\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://base-mainnet.core.chainstack.com/2fc1de7f08c0465f6a28e3c355e0cb14")
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 \"jsonrpc\": \"2.0\",\n \"method\": \"eth_maxPriorityFeePerGas\",\n \"id\": 1\n}"
response = http.request(request)
puts response.read_body{
"jsonrpc": "<string>",
"id": 123,
"result": "<string>"
}Base API method
eth_maxPriorityFeePerGas queries the current maximum priority fee per gas. This method is particularly useful in periods of high network congestion to estimate the appropriate priority fee for a transaction.
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Parameters
This method does not require any parameters.Response
result— the current maximum priority fee per gas, returned as a hexadecimal string.
Use case
Theeth_maxPriorityFeePerGas method is essential for:
- Wallets and transaction builders that dynamically adjust transaction fees to ensure timely inclusion in a block.
- Users and services looking to estimate transaction costs more accurately during periods of network congestion.
- Developers and analysts monitoring Base network fee dynamics.
Last modified on June 22, 2026
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