| Availability (valid 402 returned) | 100.0% of 61 probes · single vantage |
| Median 402 handshake | 609ms |
| p90 handshake | 627ms |
| Catalog price (advertised) | $0.004 |
| Live price (median demanded) | $0.004 |
| Price status | match |
| Protocol | x402 v2 |
| Category (our classification) | data-intel |
| Payment receiver | 0xb3f4…194A · stable since Jul 12 |
| Base USDC inflow to this receiver wallet (30d, all sources — not just x402) | shared receiver wallet — total inflow is not attributable to this domain alone |
| Discovery (.well-known/x402) | present |
| Catalog volume (their metric) | 2 calls/30d |
Country economic indicators: GDP and GDP per capita in current USD, real GDP growth and population from World Bank WDI. Annual history for the last 1-10 complete calendar years by ISO3 country code, with per-series latest values, units, nulls, dataset …
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 economy.openverbs.com? Dispute this rating. Scores are opinions based on automated measurements at the stated times.