x402-tollbooth.onrender.com

x402-tollbooth.onrender.com · 2 paid endpoints · listed 2026-10-27

Check whether email addresses are real and safe to send to. Verifies up to 25 addresses per call: syntax, domain MX/A record (including null-MX), disposable-domain, role-account, free-provider and typo checks. Does not perform SMTP/mailbox verification.

livelast check 21 h ago
100%valid x402 answers, 72 h
$0.015USDC received on Base, 7 days
3distinct payers, 7 days
54.1score (0-100)

Paid endpoints

MethodEndpointPriceNetworks
POSTx402-tollbooth.onrender.com/api/verify
Check whether email addresses are real and safe to send to. Verifies up to 25 addresses per call: syntax, domain MX/A record (including null-MX), disposable-dom
$0.005Base
GETx402-tollbooth.onrender.com/api/domain-trust
Check whether a domain or email address is trustworthy before you contact it, sign it up, or trust it. Returns a trusted/caution/high_risk/unknown verdict with
$0.01Base

Latest checks

WhenEndpointHTTPmsResult
21 h agox402-tollbooth.onrender.com/api/domain-trust402314valid x402 v2 terms

Income on Base (7 days)

DayTransfersUSDC
2026-11-011$0.005
2026-10-301$0.005
2026-10-261$0.005

Is this your API?

Add the live badge to your docs:
<a href="https://logicnodes.io/observatory/p/x402-tollbooth.onrender.com"><img src="https://logicnodes.io/observatory/badge/x402-tollbooth.onrender.com.svg" alt="x402 status"></a>
x402 status badge
Claim it for free with x402_provider_claim (sign with your payout address), and get an alert within minutes when it stops answering with x402_monitor_create ($5 for 30 days). Both work over MCP (https://logicnodes.io/mcp/v2) or POST https://logicnodes.io/v1/tools/<tool>.

Income is all USDC received by the provider's payout address on Base, whatever the source. Score: 0-100: 50 x share of checks in the last 72 h that returned valid x402 payment terms + 30 x min(1, log10(1 + USDC received in 7 days) / 4) + 20 x min(1, log10(1 + distinct payers in 7 days) / 3). A provider never checked scores on income only; income is all USDC received by its payout address on Base, whatever the source. JSON: /v1/observatory/providers/x402-tollbooth.onrender.com