Verify Vyper Source Code

curl --request POST \
  --url 'https://api.etherscan.io/v2/api?apikey=' \
  --header 'Content-Type: application/x-www-form-urlencoded' \
  --data codeformat=vyper-json \
  --data 'sourceCode=<string>' \
  --data contractaddress=0xdAC17F958D2ee523a2206206994597C13D831ec7 \
  --data contractname=contracts/Verified.vy:Verified \
  --data compilerversion=vyper:0.4.0 \
  --data optimizationUsed=0 \
  --data constructorArguments=00000000000000000000000074271f2282ed7ee35c166122a60c9830354be42a

import requests

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

payload = {
    "codeformat": "vyper-json",
    "sourceCode": "<string>",
    "contractaddress": "0xdAC17F958D2ee523a2206206994597C13D831ec7",
    "contractname": "contracts/Verified.vy:Verified",
    "compilerversion": "vyper:0.4.0",
    "optimizationUsed": "0",
    "constructorArguments": "00000000000000000000000074271f2282ed7ee35c166122a60c9830354be42a"
}
headers = {"Content-Type": "application/x-www-form-urlencoded"}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/x-www-form-urlencoded'},
  body: new URLSearchParams({
    codeformat: 'vyper-json',
    sourceCode: '<string>',
    contractaddress: '0xdAC17F958D2ee523a2206206994597C13D831ec7',
    contractname: 'contracts/Verified.vy:Verified',
    compilerversion: 'vyper:0.4.0',
    optimizationUsed: '0',
    constructorArguments: '00000000000000000000000074271f2282ed7ee35c166122a60c9830354be42a'
  })
};

fetch('https://api.etherscan.io/v2/api?apikey=', 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://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 => "POST",
  CURLOPT_POSTFIELDS => "codeformat=vyper-json&sourceCode=%3Cstring%3E&contractaddress=0xdAC17F958D2ee523a2206206994597C13D831ec7&contractname=contracts%2FVerified.vy%3AVerified&compilerversion=vyper%3A0.4.0&optimizationUsed=0&constructorArguments=00000000000000000000000074271f2282ed7ee35c166122a60c9830354be42a",
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/x-www-form-urlencoded"
  ],
]);

$response = curl_exec($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://api.etherscan.io/v2/api?apikey="

	payload := strings.NewReader("codeformat=vyper-json&sourceCode=%3Cstring%3E&contractaddress=0xdAC17F958D2ee523a2206206994597C13D831ec7&contractname=contracts%2FVerified.vy%3AVerified&compilerversion=vyper%3A0.4.0&optimizationUsed=0&constructorArguments=00000000000000000000000074271f2282ed7ee35c166122a60c9830354be42a")

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

	req.Header.Add("Content-Type", "application/x-www-form-urlencoded")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://api.etherscan.io/v2/api?apikey=")
  .header("Content-Type", "application/x-www-form-urlencoded")
  .body("codeformat=vyper-json&sourceCode=%3Cstring%3E&contractaddress=0xdAC17F958D2ee523a2206206994597C13D831ec7&contractname=contracts%2FVerified.vy%3AVerified&compilerversion=vyper%3A0.4.0&optimizationUsed=0&constructorArguments=00000000000000000000000074271f2282ed7ee35c166122a60c9830354be42a")
  .asString();

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::Post.new(url)
request["Content-Type"] = 'application/x-www-form-urlencoded'
request.body = "codeformat=vyper-json&sourceCode=%3Cstring%3E&contractaddress=0xdAC17F958D2ee523a2206206994597C13D831ec7&contractname=contracts%2FVerified.vy%3AVerified&compilerversion=vyper%3A0.4.0&optimizationUsed=0&constructorArguments=00000000000000000000000074271f2282ed7ee35c166122a60c9830354be42a"

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

{
    "status": "1",
    "message": "OK",
    "result": "a7lpxkm9kpcpicx7daftmjifrfhiuhf5vqqnawhkfhzfrcpnxj"
}

POST

api

Verify Vyper Source Code

curl --request POST \
  --url 'https://api.etherscan.io/v2/api?apikey=' \
  --header 'Content-Type: application/x-www-form-urlencoded' \
  --data codeformat=vyper-json \
  --data 'sourceCode=<string>' \
  --data contractaddress=0xdAC17F958D2ee523a2206206994597C13D831ec7 \
  --data contractname=contracts/Verified.vy:Verified \
  --data compilerversion=vyper:0.4.0 \
  --data optimizationUsed=0 \
  --data constructorArguments=00000000000000000000000074271f2282ed7ee35c166122a60c9830354be42a

import requests

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

payload = {
    "codeformat": "vyper-json",
    "sourceCode": "<string>",
    "contractaddress": "0xdAC17F958D2ee523a2206206994597C13D831ec7",
    "contractname": "contracts/Verified.vy:Verified",
    "compilerversion": "vyper:0.4.0",
    "optimizationUsed": "0",
    "constructorArguments": "00000000000000000000000074271f2282ed7ee35c166122a60c9830354be42a"
}
headers = {"Content-Type": "application/x-www-form-urlencoded"}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/x-www-form-urlencoded'},
  body: new URLSearchParams({
    codeformat: 'vyper-json',
    sourceCode: '<string>',
    contractaddress: '0xdAC17F958D2ee523a2206206994597C13D831ec7',
    contractname: 'contracts/Verified.vy:Verified',
    compilerversion: 'vyper:0.4.0',
    optimizationUsed: '0',
    constructorArguments: '00000000000000000000000074271f2282ed7ee35c166122a60c9830354be42a'
  })
};

fetch('https://api.etherscan.io/v2/api?apikey=', 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://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 => "POST",
  CURLOPT_POSTFIELDS => "codeformat=vyper-json&sourceCode=%3Cstring%3E&contractaddress=0xdAC17F958D2ee523a2206206994597C13D831ec7&contractname=contracts%2FVerified.vy%3AVerified&compilerversion=vyper%3A0.4.0&optimizationUsed=0&constructorArguments=00000000000000000000000074271f2282ed7ee35c166122a60c9830354be42a",
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/x-www-form-urlencoded"
  ],
]);

$response = curl_exec($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://api.etherscan.io/v2/api?apikey="

	payload := strings.NewReader("codeformat=vyper-json&sourceCode=%3Cstring%3E&contractaddress=0xdAC17F958D2ee523a2206206994597C13D831ec7&contractname=contracts%2FVerified.vy%3AVerified&compilerversion=vyper%3A0.4.0&optimizationUsed=0&constructorArguments=00000000000000000000000074271f2282ed7ee35c166122a60c9830354be42a")

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

	req.Header.Add("Content-Type", "application/x-www-form-urlencoded")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://api.etherscan.io/v2/api?apikey=")
  .header("Content-Type", "application/x-www-form-urlencoded")
  .body("codeformat=vyper-json&sourceCode=%3Cstring%3E&contractaddress=0xdAC17F958D2ee523a2206206994597C13D831ec7&contractname=contracts%2FVerified.vy%3AVerified&compilerversion=vyper%3A0.4.0&optimizationUsed=0&constructorArguments=00000000000000000000000074271f2282ed7ee35c166122a60c9830354be42a")
  .asString();

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::Post.new(url)
request["Content-Type"] = 'application/x-www-form-urlencoded'
request.body = "codeformat=vyper-json&sourceCode=%3Cstring%3E&contractaddress=0xdAC17F958D2ee523a2206206994597C13D831ec7&contractname=contracts%2FVerified.vy%3AVerified&compilerversion=vyper%3A0.4.0&optimizationUsed=0&constructorArguments=00000000000000000000000074271f2282ed7ee35c166122a60c9830354be42a"

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

{
    "status": "1",
    "message": "OK",
    "result": "a7lpxkm9kpcpicx7daftmjifrfhiuhf5vqqnawhkfhzfrcpnxj"
}

{
    "status": "1",
    "message": "OK",
    "result": "a7lpxkm9kpcpicx7daftmjifrfhiuhf5vqqnawhkfhzfrcpnxj"
}

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:contract

required

Set to contract for this endpoint.

action

string

default:verifysourcecode

required

Set to verifysourcecode for this endpoint.

Body

application/x-www-form-urlencoded

codeformat

string

required

Use vyper-json for Vyper contracts.

Example:

"vyper-json"

sourceCode

string

required

The Vyper source code in JSON format.

contractaddress

string

required

The address where the contract is deployed.

Example:

"0xdAC17F958D2ee523a2206206994597C13D831ec7"

contractname

string

required

The contract name, including path if applicable.

Example:

"contracts/Verified.vy:Verified"

compilerversion

string

required

Compiler version used for compilation. See the supported Vyper compiler versions.

Example:

"vyper:0.4.0"

optimizationUsed

string

required

Use 1 if compiler optimizations were enabled, otherwise 0.

Example:

"0"

constructorArguments

string

Optional constructor arguments used in contract deployment.

Example:

"00000000000000000000000074271f2282ed7ee35c166122a60c9830354be42a"

Response

200 - application/json

Successful response

status

string

1 if the request returned data, 0 otherwise. A status of 0 can indicate an error or a valid request that returned no records.

message

string

OK on success, otherwise an error description such as NOTOK. See common error messages.

result

string

GUID for the verification submission. Use it with checkverifystatus to poll the result.

API Endpoints

Beta Endpoints

Verify Vyper Source Code

Authorizations

Query Parameters

Body

Response