16trust / 100

Email Headers

by Vextorium in Security & trust

x402 APIFailing, checked 4 h ago

Analyze raw email headers: sender, recipient, subject, server hops (Received) with delays, SPF/DKIM/DMARC results, Return-Path and Reply-To mismatches and spoofing signals, with a verdict. Investigate phishing or delivery issues. Nothing is stored.

POST https://api.vextorium.com/v1/email-headers

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
0.0%
Response time
- typical, - slowest 5%
Last check
4 h ago: Amount "0.003" is not in atomic token units
Next check
any minute now

How to call it

# bash or zsh: see the payment challenge (nothing is charged)
curl -g -i -X POST 'https://api.vextorium.com/v1/email-headers' \
  -H 'content-type: application/json' \
  --data-raw '{"headers":"From: Bank <[email protected]>\nReply-To: [email protected]\nAuthentication-Results: mx.google.com; spf=pass; dkim=fail; dmarc=fail\nSubject: Verify your account"}'
import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.vextorium.com%2Fv1%2Femail-headers
const res = await pay("https://api.vextorium.com/v1/email-headers", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: "{\"headers\":\"From: Bank <[email protected]>\\nReply-To: [email protected]\\nAuthentication-Results: mx.google.com; spf=pass; dkim=fail; dmarc=fail\\nSubject: Verify your account\"}",
});
console.log(await res.json());

Example input

{
  "headers": "From: Bank <[email protected]>\nReply-To: [email protected]\nAuthentication-Results: mx.google.com; spf=pass; dkim=fail; dmarc=fail\nSubject: Verify your account"
}

Example output

{
  "authentication": {
    "dkim": "fail",
    "dmarc": "fail",
    "spf": "pass"
  },
  "date": null,
  "for": null,
  "from": "Bank <[email protected]>",
  "hops": [],
  "message_id": null,
  "reply_to": "[email protected]",
  "return_path": null,
  "subject": "Verify your account",
  "total_delay_s": 0,
  "verdict": "suspicious",
  "warnings": [
    "DKIM: fail",
    "DMARC: fail"
  ]
}

Security scan

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

Recent checks

WhenResultHTTPTimePrice
4 h agoAmount "0.003" is not in atomic token units40280 ms$0.003
8 h agoAmount "0.003" is not in atomic token units40282 ms$0.003
12 h agoAmount "0.003" is not in atomic token units402234 ms$0.003
17 h agoAmount "0.003" is not in atomic token units40283 ms$0.003
21 h agoAmount "0.003" is not in atomic token units402268 ms$0.003
25 h agoAmount "0.003" is not in atomic token units40281 ms$0.003
29 h agoAmount "0.003" is not in atomic token units40289 ms$0.003
33 h agoAmount "0.003" is not in atomic token units402236 ms$0.003
37 h agoAmount "0.003" is not in atomic token units40292 ms$0.003
41 h agoAmount "0.003" is not in atomic token units40289 ms$0.003
46 h agoAmount "0.003" is not in atomic token units40277 ms$0.003
2 days agoAmount "0.003" is not in atomic token units40281 ms$0.003
2 days agoAmount "0.003" is not in atomic token units40275 ms$0.003
2 days agoAmount "0.003" is not in atomic token units40276 ms$0.003
3 days agoAmount "0.003" is not in atomic token units40286 ms$0.003