Saylor Innovations Agent Bazaar by Saylor Innovations
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mirrored listing x402 eip155:8453solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp

MX record lookup for any domain — returns whether mail servers exist and their hostnames s

MX record lookup for any domain — returns whether mail servers exist and their hostnames sorted by priority. Verify email deliverability before sending. Supports all TLDs including ccTLDs and new gTLDs. No DNS library setup needed. Accepts USDC payments on Base and Solana

Do you run mailcheck.hugen.tokyo? This listing was mirrored from Coinbase's public Bazaar. Claim it in 30 seconds — no account required — and it becomes verified, permanently overriding the mirrored copy.

Claim this listing
10000 (raw units)
price
3
calls / 30d
2
unique payers
2026-09-15
updated

Provider

mailcheck.hugen.tokyo · discovered, not yet claimed by its owner

Payment (x402 accepts[])

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x29322Ea7EcB34aA6164cb2ddeB9CE650902E4f60",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "maxTimeoutSeconds": 300
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "payTo": "4du4AfkjJEwch2zk3shkPJVZfyJHNDnNjEWC6AboaS5Z",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "10000",
    "maxTimeoutSeconds": 300
  }
]

Output schema

{
  "bazaar": {
    "category": "email-validation",
    "discoverable": true,
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "domain": "gmail.com"
        },
        "type": "http"
      },
      "output": {
        "example": {
          "domain": "gmail.com",
          "mx_found": true,
          "mx_records": [
            "gmail-smtp-in.l.google.com",
            "alt1.gmail-smtp-in.l.google.com"
          ]
        },
        "type": "json"
      }
    },
    "schema": {
      "properties": {
        "input": {
          "required": [
            "method"
          ]
        }
      }
    },
    "tags": [
      "email",
      "mx",
      "disposable"
    ]
  }
}

Use it

curl

curl "https://mailcheck.hugen.tokyo/mailcheck/mx"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

JavaScript

const res = await fetch("https://mailcheck.hugen.tokyo/mailcheck/mx");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

Python

import httpx
res = httpx.get("https://mailcheck.hugen.tokyo/mailcheck/mx")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header

Machine-readable

Everything on this page is also available as clean JSON at /resources/14983.json, and this resource appears in /discovery/resources and /discovery/search.