flipr-x402.fly.dev/x402/opportunity/subscribe
x402 endpoint · grade C · score 50.4 · confidence 0.72
As of 2026-06-30, flipr-x402.fly.dev/x402/opportunity/subscribe on Base held 98.0% uptime across 51 reliability checks over the past 30 days, with only occasional misses. Responses came back sluggish at 679 ms median and it has held its advertised price steady at $0.0010. Its x402-trust grade is C (score 50.4 from a solid sample, tracked for 18 days), so it is best avoided for now. It is no longer listed in the x402 directory.
| Trust grade | C (score 50.4) |
| Recommendation | avoid |
| Confidence | 0.72 — free tier, reduced density (every 6th probe) |
| 30-day uptime | 98.0% |
| Median latency | 679 ms |
| Probes (30d, sampled) | 51 |
| Advertised price | $0.001 USDC |
| Price stability (30d) | stable |
| Network | eip155:8453 |
| First seen | 2026-06-12 |
| Last probed | 2026-06-30 |
| Status | delisted |
| Snapshot computed | 2026-06-30 10:41 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