Marketplace · API · x402

api.payperscreen.com/screen-email

Email risk check for signups and payouts. Nine deterministic signals, no AI scoring: mail server (MX), disposable or throwaway domain, free-mail provider, domain age, certificate history, typo-squats of major providers, role accounts, mail provider and a mailbox probe. Returns a low, medium or high risk level with every signal explained.

Endpoint	`https://api.payperscreen.com/screen-email`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~231 ms
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	eip155:8453
scheme	exact
pay to	0xA816343b4F88742FAEF03F51eC23EeE1367C6f76
method	GET
last updated	2026-10-31T15:18:58.015Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.payperscreen.com/screen-email
# 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/x402-1bc8e03b89fbbad0

Search the whole marketplace from your agent (MCP)

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

Email address verification (AIPayGen)
API$0.002/call

api.payperscreen.com/screen-email

Use it

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