calcuapi.vercel.app/api/amm-swap
x402 endpoint · grade B · score 65.9 · confidence 0.37
As of 2026-06-30, calcuapi.vercel.app/api/amm-swap on Base responded to 83.3% of 12 reliability checks over the past 30 days — often enough to use, but with outages frequent enough to plan around. Responses came back moderate at 387 ms median and it has held its advertised price steady at $0.0500. Its x402-trust grade is B (score 65.9 from limited data so far, tracked for 5 days), so it warrants caution before relying on it.
| Trust grade | B (score 65.9) |
| Recommendation | caution |
| Confidence | 0.37 — free tier, reduced density (every 6th probe) |
| 30-day uptime | 83.3% |
| Median latency | 387 ms |
| Probes (30d, sampled) | 12 |
| Advertised price | $0.05 USDC |
| Price stability (30d) | stable |
| Network | eip155:8453 |
| First seen | 2026-06-25 |
| Last probed | 2026-06-30 |
| Status | listed |
| Snapshot computed | 2026-06-30 03:02 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.
→
→
POST /v1/x402-trust · POST /v1/x402-history · free MCP: npx -y x402-trust-mcp