Composite Robinhood x402 brief: chain-wide catalog lag + per-address fingerprint in one call. Paid upgrade after ylk-robinhood-lag — replaces standalone hood-fingerprint on the Bazaar shelf.

Robinhood Chain (4663) x402 catalog lag: CDP Bazaar rows vs unique on-chain payTos, off-catalog x402-ready earners, metered micro-band USDG receivers. Plain text from Paxos USDG Transfer — settle via Base USDC.

Day-over-day x402 rail movement from on-chain settlement: total $ and tx deltas, lanes UP and DOWN (commerce, inference, dev…). Pairs with ylk-spikes for intra-day vs day-over-day reads.

Settlement-derived x402 market tape: live $/hr and tx/hr vs 24h baseline, last completed hour, every ≥2.5× spike hour in the past 24h with named driver (commerce $ vs inference traffic). ~48h window · ~20min live pace · not self-reported.

Trust boolean for any x402 payTo on Base: verdict (organic/concentrated/fragile/solo/opaque), settled revenue, buyer count, top-buyer dependency — from on-chain USDC settlement, facilitator-decoded. JSON ylk.vet.v1. Upgrade path → /v1/x402/brief.

Composite due-diligence brief: vet + business + pulse + market spikes header for one payTo. Paid upgrade after /v1/vet — replaces separate pulse/business Bazaar rows.

Live sanitized x402 rail snapshot JSON: pace/min, median ticket, top receivers by $, recent settlements. Machine-readable ylk.rails.public.v1 — agents branch on topServices.