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.
| Endpoint | https://api.inboxguardstest.com/v1/email-check |
| Trust | ✓ Verified callable · 100% uptime over 1 checks · ~2111 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 | 0x2dAF658B01e257206375798a15832E9f547D65dD |
| method | GET |
| last updated | 2026-11-01T08:01:45.125Z |
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-SIGNATUREThis listing as JSON
curl https://aipaygen.com/v1/catalog/api/x402-5a1b460ba12e1001Search the whole marketplace from your agent (MCP)
{
"mcpServers": {
"aipaygen": {
"url": "https://aipaygen.com/mcp"
}
}
}