| Availability (valid 402 returned) | 100.0% of 67 probes · single vantage |
| Median 402 handshake | 339ms |
| p90 handshake | 500ms |
| Catalog price (advertised) | $0.001 |
| Live price (median demanded) | $0.001 |
| Price status | match |
| Protocol | x402 v2 |
| Category (our classification) | finance-crypto |
| Payment receiver | 0x751a…A7cf · stable since Jul 12 |
| Base USDC settlement to this receiver wallet (30d' measured by us) | x402-plausible (amount matches a listed price): $0 · 6 transfers · 7 distinct senders. All USDC inflow' upper bound incl. non-x402: $1 · 7 transfers. |
| Discovery (.well-known/x402) | present |
| Catalog volume (their metric) | 2 calls/30d |
| /api/base/gas | $0.001 | not yet probed |
| /api/base/token | $0.002 | not yet probed |
| /api/base/tx | $0.002 | not yet probed |
| /api/base/wallet | $0.002 | not yet probed |
| /api/crypto/price | $0.001 | not yet probed |
| /api/fx/rate | $0.002 | not yet probed |
| /api/ip | $0.001 | not yet probed |
| /launchcheck/full | $0.05 | not yet probed |
| /v1/embeddings | $0.001 | not yet probed |
grade evidence: hourly probes of /api/base/gas. Availability, latency and protocol measure the operator's shared infrastructure and generalize across its products; the price check applies to the probed product. We are beginning to probe secondary products, rotating one per hour.
Live gas snapshot for Base mainnet (chain 8453) read from public Base RPC: latest block number/time/utilization, base fee, eth_gasPrice, eth_maxPriorityFeePerGas, the last 10 blocks of base fees, slow/standard/fast EIP-1559 fee suggestions (10th/50th/90th …
What this grade does and doesn't measure: it scores the paid-request handshake — whether the service returns a spec-valid 402 payment challenge, how fast, and whether its price is honest. We do not pay these endpoints yet, so we do not verify that the paid response returns correct or complete content. Availability is a probe success rate measured hourly, from a single network vantage for this service.
Operator of quickbuild.quynguyenbac.workers.dev? Dispute this rating. Scores are opinions based on automated measurements at the stated times.