global-econ-x402-production.up.railway.app/world/population/US
x402 endpoint · grade F · score 34.2 · confidence 0.67
As of 2026-06-30, global-econ-x402-production.up.railway.app/world/population/US on Base failed every one of its 48 reliability checks over the past 30 days — it was unreachable or returned errors on each attempt. It has held its advertised price steady at $0.0050. Its x402-trust grade is F (score 34.2 from a moderate sample, tracked for 12 days), so it is best avoided for now.
| Trust grade | F (score 34.2) |
| Recommendation | avoid |
| Confidence | 0.67 — free tier, reduced density (every 6th probe) |
| 30-day uptime | 0.0% |
| Median latency | — |
| Probes (30d, sampled) | 48 |
| Advertised price | $0.005 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 20:22 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