ToolVet
75trust / 100

Verify Email

by Contact Verify in Security & trust

x402 APIPassing, checked 45 min ago

Real mailbox-level email verification (SMTP-level deliverability, catch-all, disposable, and role detection).

GET https://verify-x402.okwithit9.workers.dev/verify/email

Last 30 days

All checks passedSome failedAll failedNot checked

Status and outage history · Atom feed

Uptime
100%
Response time
389 ms typical, 416 ms slowest 5%
Last check
45 min ago
Next check
any minute now

How to call it

GET https://verify-x402.okwithit9.workers.dev/verify/email

Each call costs $0.01 in USDC on Base, paid with the request over x402.

Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.

Example request

From the listing.

GET https://verify-x402.okwithit9.workers.dev/verify/email?email=ada%40example.com

Parameters

ParameterTypeRequiredDescription
emailstringYesEmail address to verify. Syntax is checked before payment.

Example response

The provider's example. We can't check it without paying.

{
  "can_connect_smtp": true,
  "domain": "example.com",
  "email": "[email protected]",
  "has_inbox_full": false,
  "is_catch_all": false,
  "is_deliverable": true,
  "is_disabled": false,
  "is_disposable": false,
  "is_free_email": false,
  "is_role_account": false,
  "is_safe_to_send": true,
  "is_spamtrap": false,
  "is_valid_syntax": true,
  "mx_accepts_mail": true,
  "mx_records": [
    "mx.example.com"
  ],
  "overall_score": 98,
  "status": "safe",
  "username": "ada"
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.01.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://verify-x402.okwithit9.workers.dev/verify/email?email=ada%40example.com'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - 'https://verify-x402.okwithit9.workers.dev/verify/email?email=ada%40example.com' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode
JavaScript: pay and call
// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.01 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.01" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.01 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fverify-x402.okwithit9.workers.dev%2Fverify%2Femail
const res = await pay("https://verify-x402.okwithit9.workers.dev/verify/email?email=ada%40example.com");
console.log(res.status, await res.text());
Python: pay and call
# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.01 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.01"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://verify-x402.okwithit9.workers.dev/verify/email?email=ada%40example.com")
    print(res.status_code, res.text)

Security scan

  • No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTimePrice
45 min agoPassed402415 ms$0.01
5 h agoPassed402515 ms$0.01
9 h agoPassed402416 ms$0.01
13 h agoPassed402389 ms$0.01
17 h agoPassed402298 ms$0.01
21 h agoPassed402314 ms$0.01