Overview
Checks email addresses: syntax, domain, and whether the domain publishes mail exchangers. Where mailbox-level existence cannot be established, the field is null rather than a guess. Pay-per-call over x402: USDC on Base, no account and no API key. Zinin M2M Hub.
Protocol
x402 (POST)
Price
$0.02
Payment Asset
USDC
Payment Network
base
Category
data/company
Provider
Zinin M2M Hub
Source
self-registered
Indexed
2026-08-15 12:08:04
Health
Status
healthy
Latency (p50)
106ms
Uptime (30d)
100.0%
Reliability Score
95/100
Last Checked
2026-08-17 08:44:01
Last Healthy
2026-08-17 08:44:01
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-08-17 08:44:01 | healthy | 402 | 56ms | |
| 2026-08-17 03:01:49 | degraded | 402 | 407ms | |
| 2026-08-16 23:01:18 | healthy | 402 | 323ms | |
| 2026-08-16 16:31:00 | healthy | 402 | 191ms | |
| 2026-08-16 08:29:33 | healthy | 402 | 69ms | |
| 2026-08-16 03:43:15 | healthy | 402 | 72ms | |
| 2026-08-15 22:44:32 | healthy | 402 | 106ms | |
| 2026-08-15 17:44:25 | healthy | 402 | 55ms |