mirrored listing x402 eip155:8453solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp

6 email validation checks in one call — syntax (RFC 5322), MX record verification, disposa

6 email validation checks in one call — syntax (RFC 5322), MX record verification, disposable detection (5,000+ domains), free provider identification, role-based address detection (admin@, info@), and typo suggestion. Returns a 0-1 confidence score with detailed per-check results. POST method protects email addresses from access logs. No API keys, no multiple service integrations 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
20
calls / 30d
2
unique payers
2026-09-17
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": {
        "bodyType": "json",
        "example": {
          "email": "[email protected]"
        },
        "method": "POST",
        "type": "http"
      },
      "output": {
        "example": {
          "checks_performed": [
            "syntax",
            "mx",
            "disposable",
            "free",
            "role",
            "typo"
          ],
          "did_you_mean": null,
          "domain": "gmail.com",
          "email": "[email protected]",
          "is_disposable": false,
          "is_free": true,
          "is_role_based": false,
          "mx_found": true,
          "mx_records": [
            "gmail-smtp-in.l.google.com"
          ],
          "score": 0.95,
          "status": "valid",
          "syntax_valid": true
        },
        "type": "json"
      }
    },
    "schema": {
      "properties": {
        "input": {
          "required": [
            "method"
          ]
        }
      }
    },
    "tags": [
      "email",
      "mx",
      "disposable"
    ]
  }
}

Use it

curl

curl "https://mailcheck.hugen.tokyo/mailcheck/validate"
# -> 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/validate");
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/validate")
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/14981.json, and this resource appears in /discovery/resources and /discovery/search.