Marketplace · API · x402

api.inboxguardstest.com/v1/email-check

Validate an email address before sending: syntax, MX, disposable and role account. $0.005 USDC on Base per call. Returns a verdict of ok, risky or undeliverable with syntax, MX, disposable (CC0 list), role account and free provider flags. Bad syntax returns 400, not charged. Don't use this for confirming a mailbox exists; no SMTP probe is made.

Endpointhttps://api.inboxguardstest.com/v1/email-check
Trust✓ Verified callable · 100% uptime over 1 checks · ~2111 ms
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0x2dAF658B01e257206375798a15832E9f547D65dD
methodGET
last updated2026-11-01T08:01:45.125Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.inboxguardstest.com/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/x402-5a1b460ba12e1001

Search the whole marketplace from your agent (MCP)

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

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