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POST
/
v2
/
farcaster
/
user
/
verification
/
Add verification
curl --request POST \
  --url https://api.neynar.com/v2/farcaster/user/verification/ \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "address": "0x5a927ac639636e534b678e81768ca19e2c6280b7",
  "block_hash": "0x191905a9201170abb55f4c90a4cc968b44c1b71cdf3db2764b775c93e7e22b29",
  "eth_signature": "0x2fc09da1f4dcb723fefb91f77932c249c418c0af00c66ed92ee1f35002c80d6a1145280c9f361d207d28447f8f7463366840d3a9309036cf6954afd1fd331beb1b",
  "signer_uuid": "19d0c5fd-9b33-4a48-a0e2-bc7b0555baec",
  "chain_id": 0,
  "verification_type": 0
}
'
import requests

url = "https://api.neynar.com/v2/farcaster/user/verification/"

payload = {
"address": "0x5a927ac639636e534b678e81768ca19e2c6280b7",
"block_hash": "0x191905a9201170abb55f4c90a4cc968b44c1b71cdf3db2764b775c93e7e22b29",
"eth_signature": "0x2fc09da1f4dcb723fefb91f77932c249c418c0af00c66ed92ee1f35002c80d6a1145280c9f361d207d28447f8f7463366840d3a9309036cf6954afd1fd331beb1b",
"signer_uuid": "19d0c5fd-9b33-4a48-a0e2-bc7b0555baec",
"chain_id": 0,
"verification_type": 0
}
headers = {
"x-api-key": "<api-key>",
"Content-Type": "application/json"
}

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

print(response.text)
const options = {
method: 'POST',
headers: {'x-api-key': '<api-key>', 'Content-Type': 'application/json'},
body: JSON.stringify({
address: '0x5a927ac639636e534b678e81768ca19e2c6280b7',
block_hash: '0x191905a9201170abb55f4c90a4cc968b44c1b71cdf3db2764b775c93e7e22b29',
eth_signature: '0x2fc09da1f4dcb723fefb91f77932c249c418c0af00c66ed92ee1f35002c80d6a1145280c9f361d207d28447f8f7463366840d3a9309036cf6954afd1fd331beb1b',
signer_uuid: '19d0c5fd-9b33-4a48-a0e2-bc7b0555baec',
chain_id: 0,
verification_type: 0
})
};

fetch('https://api.neynar.com/v2/farcaster/user/verification/', 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.neynar.com/v2/farcaster/user/verification/",
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([
'address' => '0x5a927ac639636e534b678e81768ca19e2c6280b7',
'block_hash' => '0x191905a9201170abb55f4c90a4cc968b44c1b71cdf3db2764b775c93e7e22b29',
'eth_signature' => '0x2fc09da1f4dcb723fefb91f77932c249c418c0af00c66ed92ee1f35002c80d6a1145280c9f361d207d28447f8f7463366840d3a9309036cf6954afd1fd331beb1b',
'signer_uuid' => '19d0c5fd-9b33-4a48-a0e2-bc7b0555baec',
'chain_id' => 0,
'verification_type' => 0
]),
CURLOPT_HTTPHEADER => [
"Content-Type: application/json",
"x-api-key: <api-key>"
],
]);

$response = curl_exec($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.neynar.com/v2/farcaster/user/verification/"

payload := strings.NewReader("{\n \"address\": \"0x5a927ac639636e534b678e81768ca19e2c6280b7\",\n \"block_hash\": \"0x191905a9201170abb55f4c90a4cc968b44c1b71cdf3db2764b775c93e7e22b29\",\n \"eth_signature\": \"0x2fc09da1f4dcb723fefb91f77932c249c418c0af00c66ed92ee1f35002c80d6a1145280c9f361d207d28447f8f7463366840d3a9309036cf6954afd1fd331beb1b\",\n \"signer_uuid\": \"19d0c5fd-9b33-4a48-a0e2-bc7b0555baec\",\n \"chain_id\": 0,\n \"verification_type\": 0\n}")

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

req.Header.Add("x-api-key", "<api-key>")
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://api.neynar.com/v2/farcaster/user/verification/")
.header("x-api-key", "<api-key>")
.header("Content-Type", "application/json")
.body("{\n \"address\": \"0x5a927ac639636e534b678e81768ca19e2c6280b7\",\n \"block_hash\": \"0x191905a9201170abb55f4c90a4cc968b44c1b71cdf3db2764b775c93e7e22b29\",\n \"eth_signature\": \"0x2fc09da1f4dcb723fefb91f77932c249c418c0af00c66ed92ee1f35002c80d6a1145280c9f361d207d28447f8f7463366840d3a9309036cf6954afd1fd331beb1b\",\n \"signer_uuid\": \"19d0c5fd-9b33-4a48-a0e2-bc7b0555baec\",\n \"chain_id\": 0,\n \"verification_type\": 0\n}")
.asString();
require 'uri'
require 'net/http'

url = URI("https://api.neynar.com/v2/farcaster/user/verification/")

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

request = Net::HTTP::Post.new(url)
request["x-api-key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"address\": \"0x5a927ac639636e534b678e81768ca19e2c6280b7\",\n \"block_hash\": \"0x191905a9201170abb55f4c90a4cc968b44c1b71cdf3db2764b775c93e7e22b29\",\n \"eth_signature\": \"0x2fc09da1f4dcb723fefb91f77932c249c418c0af00c66ed92ee1f35002c80d6a1145280c9f361d207d28447f8f7463366840d3a9309036cf6954afd1fd331beb1b\",\n \"signer_uuid\": \"19d0c5fd-9b33-4a48-a0e2-bc7b0555baec\",\n \"chain_id\": 0,\n \"verification_type\": 0\n}"

response = http.request(request)
puts response.read_body
{
  "message": "<string>",
  "success": true
}

Node.js SDK

🔗 SDK Method: publishVerification Use this API endpoint with the Neynar Node.js SDK for typed responses and better developer experience.

Authorizations

x-api-key
string
header
default:NEYNAR_API_DOCS
required

API key to authorize requests

Body

application/json
address
string
required

Ethereum address

Pattern: ^0x[a-fA-F0-9]{40}$
Example:

"0x5a927ac639636e534b678e81768ca19e2c6280b7"

block_hash
string
required
Example:

"0x191905a9201170abb55f4c90a4cc968b44c1b71cdf3db2764b775c93e7e22b29"

eth_signature
string
required
Example:

"0x2fc09da1f4dcb723fefb91f77932c249c418c0af00c66ed92ee1f35002c80d6a1145280c9f361d207d28447f8f7463366840d3a9309036cf6954afd1fd331beb1b"

signer_uuid
string
required

UUID of the signer. signer_uuid is paired with API key, can't use a uuid made with a different API key.

Example:

"19d0c5fd-9b33-4a48-a0e2-bc7b0555baec"

chain_id
default:0

Chain ID for farcaster verifications. 0 for EOA verifications, 1 or 10 for contract verifications

Available options:
0
verification_type
default:0

Type of verification. 0 = EOA, 1 = contract

Available options:
0

Response

200 - application/json

Success

message
string
success
boolean