x402.fiasignals.com/signals
x402 endpoint · grade B · score 75.3 · confidence 0.63
As of 2026-06-30, x402.fiasignals.com/signals on Base responded to 94.9% of 39 reliability checks over the past 30 days — often enough to use, but with outages frequent enough to plan around. Responses came back sluggish at 1035 ms median and it has held its advertised price steady at $4.00. Its x402-trust grade is B (score 75.3 from a moderate sample, tracked for 12 days), so it currently looks safe to use.
| Trust grade | B (score 75.3) |
| Recommendation | proceed |
| Confidence | 0.63 — free tier, reduced density (every 6th probe) |
| 30-day uptime | 94.9% |
| Median latency | 1035 ms |
| Probes (30d, sampled) | 39 |
| Advertised price | $4 USDC |
| Price stability (30d) | stable |
| Network | eip155:8453 |
| First seen | 2026-06-18 |
| Last probed | 2026-06-29 |
| Status | listed |
| Snapshot computed | 2026-06-29 22:32 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