https://underground.substratesymposium.com/api/merchant-key
https://underground.substratesymposium.com/api/merchant-keyOverview
Protocol
x402
Price
—
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
uncategorized
Provider
underground
Source
bazaar
Indexed
2026-07-18 19:08:58
Health
Status
healthy
Latency (p50)
260ms
Uptime (30d)
100.0%
Reliability Score
95/100
Last Checked
2026-09-11 20:06:17
Last Healthy
2026-09-11 20:06:17
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
—
Facilitator
—
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-09-11 20:06:17 | healthy | 402 | 248ms | |
| 2026-09-11 13:32:56 | healthy | 402 | 662ms | |
| 2026-09-10 16:40:54 | healthy | 402 | 260ms | |
| 2026-09-10 11:07:11 | healthy | 402 | 252ms | |
| 2026-09-10 04:07:56 | healthy | 402 | 586ms | |
| 2026-09-09 17:40:23 | healthy | 402 | 241ms | |
| 2026-09-09 10:14:45 | healthy | 402 | 336ms | |
| 2026-09-08 20:31:20 | healthy | 402 | 252ms |