x402-pay.vercel.app/
x402 endpoint · grade C · score 52.5 · confidence 0.75
As of 2026-06-30, x402-pay.vercel.app/ on Base responded to 75.0% of 60 reliability checks over the past 30 days — often enough to use, but with outages frequent enough to plan around. Responses came back moderate at 338 ms median and it has held its advertised price steady at $1.00. Its x402-trust grade is C (score 52.5 from a solid sample, tracked for 18 days), so it is best avoided for now.
| Trust grade | C (score 52.5) |
| Recommendation | avoid |
| Confidence | 0.75 — free tier, reduced density (every 6th probe) |
| 30-day uptime | 75.0% |
| Median latency | 338 ms |
| Probes (30d, sampled) | 60 |
| Advertised price | $1 USDC |
| Price stability (30d) | stable |
| Network | eip155:8453 |
| First seen | 2026-06-12 |
| Last probed | 2026-06-29 |
| Status | listed |
| Snapshot computed | 2026-06-29 15:42 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