eth_estimateGas - Etherscan

eth_estimateGas

curl --request GET \
  --url 'https://api.etherscan.io/v2/api?apikey='

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.etherscan.io/v2/api?apikey=",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
]);

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

curl_close($curl);

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

package main

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

func main() {

	url := "https://api.etherscan.io/v2/api?apikey="

	req, _ := http.NewRequest("GET", url, nil)

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

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

	fmt.Println(string(body))

}

require 'uri'
require 'net/http'

url = URI("https://api.etherscan.io/v2/api?apikey=")

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

request = Net::HTTP::Get.new(url)

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

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "0x66ac"
}

GET

/

v2

/

api

eth_estimateGas

curl --request GET \
  --url 'https://api.etherscan.io/v2/api?apikey='

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.etherscan.io/v2/api?apikey=",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
]);

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

curl_close($curl);

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

package main

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

func main() {

	url := "https://api.etherscan.io/v2/api?apikey="

	req, _ := http.NewRequest("GET", url, nil)

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

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

	fmt.Println(string(body))

}

require 'uri'
require 'net/http'

url = URI("https://api.etherscan.io/v2/api?apikey=")

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

request = Net::HTTP::Get.new(url)

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

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "0x66ac"
}

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "0x66ac"
}

Authorizations

apikey

string

query

required

Enter your Etherscan API key, or set one up if you don't have one.

Query Parameters

chainid

string

required

Chain ID to query, eg 1 for Ethereum, 42161 for Arbitrum from our supported chains.

module

string

default:proxy

required

Set to proxy for this endpoint.

action

string

default:eth_estimateGas

required

Set to eth_estimateGas for this endpoint.

data

string

Hash of the method signature and encoded parameters.

to

string

The address to interact with.

value

string

Value sent in this transaction, in hex.

gasPrice

string

Gas price in wei.

gas

string

Gas limit provided for the transaction, in hex.

Response

200 - application/json

Successful response

jsonrpc

string

JSON-RPC protocol version.

id

integer

Request identifier, echoed back from the request.

result

string

Estimated gas required to execute the call, in hexadecimal.