listing-roast-x402-service-production.up.railway.app/api/listing-roast
x402 endpoint · grade A · score 81.4 · confidence 0.75
As of 2026-06-30, listing-roast-x402-service-production.up.railway.app/api/listing-roast on Base held a flawless 100.0% uptime across 60 reliability checks over the past 30 days. Responses came back moderate at 452 ms median and its advertised price moved 1 time (now $0.0010). Its x402-trust grade is A (score 81.4 from a solid sample, tracked for 18 days), so it currently looks safe to use.
| Trust grade | A (score 81.4) |
| Recommendation | proceed |
| Confidence | 0.75 — free tier, reduced density (every 6th probe) |
| 30-day uptime | 100.0% |
| Median latency | 452 ms |
| Probes (30d, sampled) | 60 |
| Advertised price | $0.001 USDC |
| Price stability (30d) | 1 change(s) |
| Network | eip155:8453 |
| First seen | 2026-06-12 |
| Last probed | 2026-06-29 |
| Status | listed |
| Snapshot computed | 2026-06-29 15:21 UTC |
Need more than the free snapshot? The paid API adds a live probe at decision time (with timestamp), full 30-minute probe density & confidence, 90-day history, on-chain settlement correlation, and watch/alerting.
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POST /v1/x402-trust · POST /v1/x402-history · free MCP: npx -y x402-trust-mcp