Marketplace · API · x402

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

Use when you need bulk email validation, email list verification or to verify email lists before a send or import. Do not use for one address (email-check is cheaper), proving a mailbox exists (no SMTP probe) or sending email. Returns JSON checking up to 20 email addresses in one call: syntax, MX records, disposable, free and role flags, SPF, DMARC and a verdict each, plus counts by verdict for 0.02 USDC per call. Typical response time 2500 ms (p95). Category: Data.

Endpointhttps://x402-gateway.blackwoodstate8.workers.dev/v1/email-batch
TrustNot checked yet
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0x274508F17CDb74BbBe4241F3cA618709d0a5528c
methodPOST
last updated2026-11-09T16:59:06.989Z

Use it

Call it (an x402 client pays automatically)

curl -i https://x402-gateway.blackwoodstate8.workers.dev/v1/email-batch
# 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-d40d1f3f6d459fc9

Search the whole marketplace from your agent (MCP)

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