b20check.fly.dev
No Recent Successful ChecksOtherPay-per-call service
No Recent Successful ChecksLast check
n/aTypical response time
–Price asked on our checks
Not Enough Checks YetPayment Address (payTo)
1Directories listing it
41 min agoLast checked (2026-10-31T01:58:14Z)
No longer listed: no USDC-on-Base option in any directory for 3+ days (a directory fact, not a service fact).
Price Asked
Main route, as asked on our signed checks. We found this service through a directory we use only to find services, so its listed price is not shown or compared.
No price recorded yet.
What changed (last 30 days) #
From 2026-10-23 12:45 UTC. Stored checks cover about 7 days (label: last 30).
| When (UTC) | What changed | Measured | Signed record |
|---|---|---|---|
| 2026-10-29 11:39 | Directory listing changed | listed → delisted | Signed receipts |
Our unpaid checks only. Each row links the signed record for the new state. Full machine-readable history (NDJSON) is on Data Pro. See plans · Reply or dispute
Watch this host Email when measured facts change · 1 tool free for 30 days · up to 50 with Pro.
Latest signed receipts
| Signed receipt | Time (UTC) | Reply | Asked For Payment Correctly | ms | Price Asked |
|---|---|---|---|---|---|
| 6f814a9f842324bd8f50 | 2026-10-31T01:58:14Z | Timeout | No | 15000 | |
| 5183914ae965d7369680 | 2026-10-30T00:38:18Z | Timeout | No | 15000 | |
| 8a2dc656150d74f28270 | 2026-10-29T02:12:15Z | Timeout | No | 15000 | |
| 3773bbcce423f754fbfb | 2026-10-27T10:08:23Z | Timeout | No | 15000 | |
| bbce7285c62d97fb0464 | 2026-10-26T19:24:29Z | Timeout | No | 15000 |
Signed, verifiable. Raw data · daily history (JSON) · free quick check (JSON)