402MARKET402 index

State of the 402 economy - 2026-10

1,695 observations across 1,695 unique endpoints this month. Spec-compliant 402 rate: 72.3% (+12.1 pts MoM). Latency p50 (compliant): 321ms (+60.0 MoM). No self-reported metrics - every number below comes from real probes.

1,695observations
1,695endpoints
72.3%spec compliant
321mslatency p50
1probe rounds

Citable findings

Ready-to-quote, sourced one-liners from this month's measured data. Reuse freely under CC BY 4.0 with attribution.

Only 72.3% of listed x402 endpoints returned a spec-compliant 402 challenge in 2026-10 (Market402, 1,695 observations).
Median latency of spec-compliant x402 endpoints was 321ms in 2026-10 (Market402).
8.6% of probed x402 endpoints were unreachable in 2026-10 (Market402).
83.4% of spec-compliant x402 endpoints declared protocol version 2 in 2026-10 (Market402).
Cite as: Market402, "State of the 402 economy 2026-10",
https://market402.com/reports/202610. Data license: CC BY 4.0.

All metrics

Unpaid weekly probes (no payment attached), UA-identified. Rates are per observation. See /methodology.

metricvalue
month202610
probe_rounds1
observations1695
unique_resources1695
compliant_402_rate0.723
unreachable_rate0.086
no_paywall_rate0.027
latency_p50_ms_compliant321
price_match_rate0.99
x402_v2_declared_rate0.834
v1_network_name_ok_rate0.989
eip712_extra_ok_rate0.999

Machine-readable: /reports/202610.json | weekly diffs: /changes.json | all months: /reports | data license: CC BY 4.0 (attribution rules)