x402 observed trust — BlockRun.AI

Name: Observed trust record for https://blockrun.ai/api/v1/surf/exchange/markets
Creator: kkj-watch
License: https://creativecommons.org/licenses/by/4.0/

Endpoint: https://blockrun.ai/api/v1/surf/exchange/markets

B · observed trust score 73.0/100

This is an observed, evidence-based risk indicator — not a safety guarantee. Observed, evidence-based risk indicator - NOT a safety guarantee. Based on past registry observations, listing-vs-live consistency, and live GET-only probes. Always verify payment terms yourself before paying.

Observed verdicts

verified live (402)	True
listing vs live	unknown
payTo	stable (as observed)
spam-farm payTo	False
settle compatibility	x402Version 1 terms — facilitator moved to V2-only (2026-07); unpatched V1 integrations fail settle silently
active listing	True
first observed	2026-07-05
snapshots	3

Why this score

2 delist/relist events in 30d
2 price changes in 30d

Payment terms (registry)

network	amount	USD	payTo
eip155:8453	8500	$0.0085	`0x058a5961FbE8…`

Change events observed

at	event	severity
2026-08-07T23:42:01	price_changed	high
2026-08-07T19:42:02	relisted	medium
2026-08-07T14:41:48	delisted	high
2026-07-13T15:41:02	price_changed	high

Live probes (GET-only, never pays)

at	reachability	402	listing vs live
2026-08-08T23:06:02	alive	402	not_x402
2026-08-08T22:06:02	alive	402	not_x402
2026-08-08T21:06:11	alive	402	not_x402
2026-08-08T20:06:11	alive	402	not_x402
2026-08-08T19:07:02	alive	402	not_x402

Signed evidence

Committed to signed daily root b53b3057e1476435… (2026-08-08). signed inclusion proof ($0.02) · roots

Machine access

JSON trust · trust feed · claim this badge

Sellers: display it

[![x402 trust](https://5.75.142.199.sslip.io/badge/x402/2001.svg)](https://5.75.142.199.sslip.io/x402/trust/2001)

Operators: flagged? re-verify now

Flags and this score update automatically on the free probe cycle (~29h). If you fixed an issue and need fresh public evidence immediately: instant re-verification ($0.25, x402) — an immediate GET probe, score recompute with the same public formula, and recovery events to the public feed. Buys speed and evidence only; the score itself cannot be bought.

Buyers: check before you pay (x402guard)

from x402guard import safe_pay
data = safe_pay("https://blockrun.ai/api/v1/surf/exchange/markets", pay=lambda: my_x402_client.get(url))

Cite / reuse (free, attribution required)

Free to use and redistribute, including by AI agents and in model training, under CC-BY-4.0, provided attribution to kkj-watch is preserved.

x402 trust for https://blockrun.ai/api/v1/surf/exchange/markets — observed by kkj-watch <https://5.75.142.199.sslip.io/x402/e/2001>