Verify whether an email address is real and safe to send to. Checks RFC syntax, ...
https://api.hergertsynthora.com/v1/mailcheckOverview
Verify whether an email address is real and safe to send to. Checks RFC syntax, live MX records, catch-all and disposable/temporary domains, role accounts (info@, admin@), free providers and common typos, returning a deliverability status and confidence score. Use it to validate and enrich contacts, clean email lists and prevent bounces. Deterministic, Ed25519-signed. 0.001 USDC on Base. First 3 calls FREE per wallet — send header 'X-WALLET: 0x<your Base address>' (no payment); then per call.
Protocol
x402
Price
$0.05
Payment Asset
USD Coin
Payment Network
Base
Category
crypto/wallet
Provider
hergertsynthora
Source
bazaar
Indexed
2026-08-12 23:11:45
Health
Status
degraded
Latency (p50)
64ms
Uptime (30d)
100.0%
Reliability Score
100/100
Last Checked
2026-10-01 17:31:39
Last Healthy
2026-08-27 14:45:53
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Invalid
Asset Verified
—
Facilitator
—
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-10-01 17:31:39 | degraded | 404 | 579ms | |
| 2026-10-01 10:46:54 | degraded | 404 | 105ms | |
| 2026-10-01 02:39:37 | degraded | 404 | 56ms | |
| 2026-09-30 16:16:50 | degraded | 404 | 47ms | |
| 2026-09-30 13:40:43 | degraded | 404 | 49ms | |
| 2026-09-30 03:01:53 | degraded | 404 | 64ms | |
| 2026-09-29 19:00:46 | degraded | 404 | 115ms | |
| 2026-09-29 11:46:28 | degraded | 404 | 54ms | |
| 2026-09-29 03:43:54 | degraded | 404 | 52ms | |
| 2026-09-29 01:02:43 | degraded | 404 | 69ms |