Email Verify Api
by AgentUtility.ai in Security & trust
Verifies an email address with syntax, MX, disposable-domain, role-account, SPF, DMARC, and DKIM checks. Same DNS-safe email deliverability backend as email-verify, indexed for agents searching exact email verification wording. Use it as an email verify API or to validate email address input.
https://x402.agentutility.ai/email-verify-api- Price
- $0.005
- per call in USDC
- Uptime
- 79.2%
- last 30 days
- Response time
- 153 ms
- 4.6 s slowest 5%
- Last check
- Passed
- 3 h ago, next any minute now
Reliability
How to call it
POST https://x402.agentutility.ai/email-verify-api
Each call costs $0.005 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.
POST https://x402.agentutility.ai/email-verify-api
content-type: application/json
{
"email": "[email protected]"
}Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
dkim_selectors | array of string | No | Optional DKIM selectors to check. Defaults to common selectors such as google, selector1, selector2, s1, and s2. |
email | string | Yes | Email address to validate and score, e.g. '[email protected]'. |
Example response
The provider's example. We can't check it without paying.
{
"can_receive_mail": true,
"deliverability_score": 92,
"risk": "low"
}Call it from code
The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.005.
curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://x402.agentutility.ai/email-verify-api' \
-H 'content-type: application/json' \
--data-raw '{"email":"[email protected]"}'
# 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 - -X POST 'https://x402.agentutility.ai/email-verify-api' \
-H 'content-type: application/json' \
--data-raw '{"email":"[email protected]"}' \
| grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decodeJavaScript: 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 $0.005 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.005" });
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 $0.005 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fx402.agentutility.ai%2Femail-verify-api&method=POST
const res = await pay("https://x402.agentutility.ai/email-verify-api", {
method: "POST",
headers: { "content-type": "application/json" },
body: JSON.stringify({
"email": "[email protected]"
}),
});
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 $0.005 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.005"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))
with x402_requests(client) as session:
res = session.post(
"https://x402.agentutility.ai/email-verify-api",
json={
"email": "[email protected]",
},
)
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
| When | Result | HTTP | Time | Price |
|---|---|---|---|---|
| 3 h ago | Passed | 402 | 138 ms | $0.005 |
| 7 h ago | Passed | 402 | 117 ms | $0.005 |
| 11 h ago | Passed | 402 | 7.2 s | $0.005 |
| 15 h ago | Passed | 402 | 153 ms | $0.005 |
| 19 h ago | Passed | 402 | 118 ms | $0.005 |
Show 10 older checks
| 23 h ago | Timed out | - | - | - |
| 27 h ago | Passed | 402 | 2.4 s | $0.005 |
| 31 h ago | Passed | 402 | 2.3 s | $0.005 |
| 34 h ago | Passed | 402 | 125 ms | $0.005 |
| 38 h ago | Passed | 402 | 47 ms | $0.005 |
| 42 h ago | Timed out | - | - | - |
| 45 h ago | Passed | 402 | 165 ms | $0.005 |
| 2 days ago | Passed | 402 | 3.0 s | $0.005 |
| 2 days ago | Passed | 402 | 115 ms | $0.005 |
| 2 days ago | Timed out | - | - | - |