Score
by Mail Security Tools in Security & trust
Mail Security Tools API: Graded email security score (0-100, A-F) for a domain. Scores SPF (30), DMARC (40), DKIM (25) and MX (5) from live DNS, with findings and the top 3 fixes. Bad input 400, unknown domain 404, never charged.
https://api.mailsecuritytools.com/v1/score- Price
- $0.01
- per call in USDC
- Uptime
- 100%
- last 30 days
- Response time
- 1.0 s
- 1.0 s slowest 5%
- Last check
- Passed
- 7 h ago, next any minute now
Reliability
How to call it
GET https://api.mailsecuritytools.com/v1/score
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://api.mailsecuritytools.com/v1/score?domain=example.comParameters
| Parameter | Type | Required | Description |
|---|---|---|---|
domain | string | Yes | Domain (or an email/URL on it), e.g. example.com |
Example response
The provider's example. We can't check it without paying.
{
"domain": "example.com",
"findings": [
{
"area": "dmarc",
"fix": "Move to p=quarantine, then p=reject.",
"points": 15,
"severity": "warn",
"title": "DMARC p=none (monitor only)"
}
],
"grade": "C",
"report": "email_security_score",
"score": 72,
"top_fixes": []
}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://api.mailsecuritytools.com/v1/score?domain=example.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://api.mailsecuritytools.com/v1/score?domain=example.com' \
| 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 $0.01 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%2Fapi.mailsecuritytools.com%2Fv1%2Fscore
const res = await pay("https://api.mailsecuritytools.com/v1/score?domain=example.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://api.mailsecuritytools.com/v1/score?domain=example.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
| When | Result | HTTP | Time | Price |
|---|---|---|---|---|
| 7 h ago | Passed | 402 | 1.0 s | $0.01 |