Marketplace · API · x402

x402-gateway.blackwoodstate8.workers.dev/v1/email-check

Use when you need email validation, to verify email addresses or validate email syntax and MX records before sending or signup. Do not use for confirming that the mailbox itself exists (no SMTP probe is done) or sending email. Returns JSON with email verification of one address: syntax, domain MX records, disposable, free and role-account flags, SPF and DMARC, and a verdict on whether the domain can receive mail for 0.005 USDC per call. Typical response time 800 ms (p95). Category: Data.

Endpointhttps://x402-gateway.blackwoodstate8.workers.dev/v1/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 to0x7f299708D49cbAf60815aC52d0B7d645e158A758
methodPOST
last updated2026-11-09T16:57:44.683Z

Use it

Call it (an x402 client pays automatically)

curl -i https://x402-gateway.blackwoodstate8.workers.dev/v1/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-f36bac104ed5e372

Search the whole marketplace from your agent (MCP)

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

Related