Marketplace · API · x402

api.sitecheck-api.workers.dev/api/email-check

E-mail pre-check without SMTP: syntax, whether the domain can receive mail (MX or implicit MX, null MX, non-existent domain), disposable domain (9,000+ domain CC0 list), role account (info@, sales@...), free provider and a typo suggestion (gmial.com -> gmail.com). Verdict invalid / risky / unknown. Up to 50 addresses per call with emails=.

Endpointhttps://api.sitecheck-api.workers.dev/api/email-check
TrustNot checked yet
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0xb8491F953e6860D3b5840b73c60883Ff099ceAfA
methodGET
last updated2026-11-07T15:31:31.435Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.sitecheck-api.workers.dev/api/email-check
# 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-efa5efd4d47bde15

Search the whole marketplace from your agent (MCP)

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