https://underground.substratesymposium.com/buy/cards
https://underground.substratesymposium.com/buy/cardsOverview
Protocol
x402
Price
—
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
uncategorized
Provider
underground
Source
bazaar
Indexed
2026-10-09 22:28:59
Health
Status
healthy
Latency (p50)
279ms
Uptime (30d)
100.0%
Reliability Score
90/100
Last Checked
2026-10-12 05:20:16
Last Healthy
2026-10-12 05:20:16
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
—
Facilitator
—
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-10-12 05:20:16 | healthy | 402 | 906ms | |
| 2026-10-11 16:41:54 | healthy | 402 | 254ms | |
| 2026-10-11 08:19:29 | healthy | 402 | 263ms | |
| 2026-10-10 18:36:06 | healthy | 402 | 279ms |