Is Base USDC Payment Verifier (x402) down?
Down
Yes, Base USDC Payment Verifier (x402) is down.
It has failed every check since 29 Oct 2026, 20:45 UTC (11 days 20 h, 10 checks). Latest error: initialize returned HTTP 503. It last passed on 29 Oct 2026, 07:03 UTC.
Latest check
- Last check
- 35 h ago (9 Nov 2026, 05:22 UTC)
- Response time
- Not measured (typical 248 ms)
- Next check
- In about 41 h
- How often
- About every 30 hours over the last 7 days
Uptime
Uptime is the share of checks that passed. We checked it about every 30 hours over the last 7 days.
Outages in the last 30 days
1 outage, 11 days 20 h of failed checks in total.
| Started | Duration | Failed checks | First error |
|---|---|---|---|
| 29 Oct 2026, 20:45 UTC | Ongoing, 11 days 20 h so far | 10 | initialize returned HTTP 503 |
Times are when our checks ran, about every 30 hours for this listing, so start times and durations are accurate to about that.
Recent checks
| When | Result | HTTP | Time |
|---|---|---|---|
| 9 Nov 2026, 05:22 UTC | initialize returned HTTP 503 | 503 | 258 ms |
| 7 Nov 2026, 23:27 UTC | initialize returned HTTP 503 | 503 | 231 ms |
| 6 Nov 2026, 18:14 UTC | initialize returned HTTP 503 | 503 | 311 ms |
| 5 Nov 2026, 11:22 UTC | initialize returned HTTP 503 | 503 | 232 ms |
| 4 Nov 2026, 04:17 UTC | initialize returned HTTP 503 | 503 | 205 ms |
| 2 Nov 2026, 18:15 UTC | initialize returned HTTP 503 | 503 | 321 ms |
| 1 Nov 2026, 10:20 UTC | initialize returned HTTP 503 | 503 | 264 ms |
| 31 Oct 2026, 00:33 UTC | initialize returned HTTP 503 | 503 | 234 ms |
| 30 Oct 2026, 10:41 UTC | initialize returned HTTP 503 | 503 | 654 ms |
| 29 Oct 2026, 20:45 UTC | initialize returned HTTP 503 | 503 | 1.0 s |
How we check
Up means the MCP handshake and the tool list worked, or the server asked for sign-in or payment.
Checks come from our server, about every 30 hours for this listing over the last 7 days. A failure can also mean the service blocks our checks. Two failed checks in a row count as an outage, which ends at the next passing check.
If you think a check is wrong, contact hello@toolvet.app. More on how we check and score.