https://underground.substratesymposium.com/buy/sparring
https://underground.substratesymposium.com/buy/sparringOverview
Protocol
x402
Price
—
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
uncategorized
Provider
underground
Source
bazaar
Indexed
2026-10-09 22:28:56
Health
Status
healthy
Latency (p50)
251ms
Uptime (30d)
100.0%
Reliability Score
92/100
Last Checked
2026-10-13 21:10:57
Last Healthy
2026-10-13 21:10:57
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
—
Facilitator
—
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-10-13 21:10:57 | healthy | 402 | 251ms | |
| 2026-10-13 09:56:38 | healthy | 402 | 250ms | |
| 2026-10-13 01:30:59 | healthy | 402 | 251ms | |
| 2026-10-12 15:45:30 | healthy | 402 | 297ms | |
| 2026-10-12 06:38:02 | healthy | 402 | 301ms | |
| 2026-10-11 15:53:08 | healthy | 402 | 267ms | |
| 2026-10-11 05:11:44 | healthy | 402 | 245ms | |
| 2026-10-10 22:32:26 | healthy | 402 | 248ms |