Marketplace · API · x402

api.kadec0.xyz/v1/mx-lookup

MX record lookup and email provider detection for a domain. Returns the MX records by priority, the hosted mail provider behind them (Google Workspace, Microsoft 365, Zoho, Proton, Fastmail, Mimecast, Proofpoint and more), SPF and DMARC records with the DMARC policy, plus A, AAAA, NS, TXT and SOA records. For email deliverability checks, lead enrichment and domain due diligence. Keyless.

Endpointhttps://api.kadec0.xyz/v1/mx-lookup
TrustNot checked yet
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA
methodGET
last updated2026-11-12T21:48:25.365Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.kadec0.xyz/v1/mx-lookup
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATURE

This listing as JSON

curl https://aipaygen.com/v1/catalog/api/x402-59acf8c09ef355f0

Search the whole marketplace from your agent (MCP)

{
  "mcpServers": {
    "aipaygen": {
      "url": "https://aipaygen.com/mcp"
    }
  }
}

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