mailcheck.netzhandwerker.de
Route probed: GET https://mailcheck.netzhandwerker.de/email
Category: survive:comms/HITL (tags: email-send, dev-utils, verification) · Status: listing listed, probe active · Listing: 0.001 USD, 3 payers / 3 calls (30d, Bazaar) · Listed in: agentic-market, cdp-bazaar
Last probe: 2026-10-23T14:42:29Z (3 h ago) · Recent valid 402: 2/2 · p50 1779 ms
probe-only: no paid test-buys yet. No index until 3 paid buys on 3 different days.
Badge: 
Paid test-buys
None yet.
402 challenge checks (since 2026-10-23T14:42:29Z)
1 valid 402s checked: terms consistent 1, Base USDC offered 1, price matches listing 1 (differs 0), payTo changed vs previous probe 0.
Unpaid probes (newest first, up to 200; raw receipts are kept 7 days, then in the archive)
| Receipt | UTC time | Method | Status | Valid 402 | ms | Listed amount (atomic) | Quoted amount (atomic) | Quoted payTo | Header bytes | Response sha256 | Signed | Route | Checks |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5a1469115fb0b7c9cd75 | 2026-10-23T14:42:29Z | GET | 402 | yes | 1779 | 1000 | 1000 | 0x2880EdfF… | 7556 | 692a491c8241cb26 | per-receipt | primary | terms ok · Base USDC |
| c62d2cc5c224c996413e | 2026-10-23T12:43:33Z | GET | 402 | yes | 1045 | 1000 | 1000 | 0x2880EdfF… | 7556 | 692a491c8241cb26 | snapshot | primary |
Other listed routes
https://mailcheck.netzhandwerker.de/emailDNS and list based verification. Never claims that a mailbox exists without evidence: without an SMTP probe the verdict for a routable address is "unknown", not (cdp-bazaar)POST https://mailcheck.netzhandwerker.de/email/batchCheck up to 100 email addresses in one paid call, billed per address. (agentic-market)
Seller? Reply or dispute. Amounts are in the asset's atomic units (USDC: 6 decimals).