oussapi.duckdns.org
No Recent Successful ChecksOtherPay-per-call service
No longer listed: no USDC-on-Base option in any directory for 3+ days (a directory fact, not a service fact).
Recent Uptime And Response Time
■ Share of our test calls that worked (the service asked for payment correctly) ● Median response time (right axis). The last bar may be today (UTC), so far.
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 2026-10-27 10:12 UTC. Stored checks cover about 7 days (label: last 30).
| When (UTC) | What changed | Measured | Signed record |
|---|---|---|---|
| 2026-10-31 03:02 | HTTP reply changed | 521 → no reply | Signed receipt |
| 2026-10-31 02:02 | HTTP reply changed | no reply → 521 | Signed receipt |
| 2026-10-29 11:55 | 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 |
|---|---|---|---|---|---|
| f5f8260e712b66239cef | 2026-11-02T04:32:17Z | Timeout | No | 15000 | |
| 1893be84e5955ac8dad7 | 2026-10-31T03:02:29Z | Timeout | No | 15000 | |
| 3a5ad17d5e134252549d | 2026-10-31T03:02:24Z | Timeout | No | 15000 | |
| b3bc62c6609f007f59bd | 2026-10-31T02:02:14Z | 521 | No | 140 | |
| dafc9ca6bf0019c0b2bd | 2026-10-30T00:42:28Z | Timeout | No | 15000 |
Signed, verifiable. Raw data · free quick check (JSON)