r05t3r.vercel.app/api/cover-letter
x402 endpoint · grade F · score 26.9 · confidence 0.34
As of 2026-06-30, r05t3r.vercel.app/api/cover-letter on Base answered only 7.7% of 13 reliability checks over the past 30 days, leaving it unreliable for anything production-facing. Responses came back slow at 2028 ms median and it has held its advertised price steady at $0.3000. Its x402-trust grade is F (score 26.9 from limited data so far, tracked for 2 days), so it is best avoided for now.
| Trust grade | F (score 26.9) |
| Recommendation | avoid |
| Confidence | 0.34 — free tier, reduced density (every 6th probe) |
| 30-day uptime | 7.7% |
| Median latency | 2028 ms |
| Probes (30d, sampled) | 13 |
| Advertised price | $0.3 USDC |
| Price stability (30d) | stable |
| Network | eip155:8453 |
| First seen | 2026-06-28 |
| Last probed | 2026-06-30 |
| Status | listed |
| Snapshot computed | 2026-06-30 05:02 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