agentprobe.org
073 ms5,355 ms2026-09-07T02:51:35+00:00 · http-error · 147 ms2026-09-08T08:53:32+00:00 · http-error · 5355 ms2026-09-09T09:55:31+00:00 · http-error · 1328 ms2026-09-10T10:25:40+00:00 · http-error · 1101 ms2026-09-11T11:28:02+00:00 · http-error · 1194 ms2026-09-12T12:23:05+00:00 · http-error · 1241 ms2026-09-07 02:512026-09-12 12:23073 ms5,355 ms2026-09-07T02:51:35+00:00 · http-error · 147 ms2026-09-08T08:53:32+00:00 · http-error · 5355 ms2026-09-09T09:55:31+00:00 · http-error · 1328 ms2026-09-10T10:25:40+00:00 · http-error · 1101 ms2026-09-11T11:28:02+00:00 · http-error · 1194 ms2026-09-12T12:23:05+00:00 · http-error · 1241 ms2026-09-07 02:512026-09-12 12:23
probe history, latency (log) over time, glyph = outcome
F grade
http-error
20 score
1241 ms
0.0% uptime over 6 measured probes
AS400940 RAILWAY - Railway, US · US

https://arbitrum-mpp-transaction-preflight-production.up.railway.app/

x402 first seen 2026-09-07 · last seen 2026-09-12 · json

Listed in

sourcenamedescriptionexternal id
agent-tools.cloudArbitrum Transaction PreflightPre-sign transaction simulation and risk analysis for wallets and autonomous agents.x402:arbitrum-transaction-preflight

Same host

a2a × 1 agents-txt × 1 ard × 1 llms-txt × 1 robots × 1 sigdir × 1

Badge

agentprobe grade F

embed:

<a href="https://agentprobe.org/endpoint/67084"><img src="https://agentprobe.org/badge/67084.svg" alt="agentprobe"></a>

Probe history

probed (UTC)outcomescorestatushttpmsversioncapabilitieserror
2026-09-12 12:23http-error20 404HTTP/1.11241
details

meta 

{"final_url":"https://arbitrum-mpp-transaction-preflight-production.up.railway.app/","http_version":"HTTP/1.1","vantage":"us-east-1"}
HTTP 404
2026-09-11 11:28http-error20 404HTTP/1.11194
details

meta 

{"final_url":"https://arbitrum-mpp-transaction-preflight-production.up.railway.app/","http_version":"HTTP/1.1","vantage":"us-east-1"}
HTTP 404
2026-09-10 10:25http-error20 404HTTP/1.11101
details

meta 

{"final_url":"https://arbitrum-mpp-transaction-preflight-production.up.railway.app/","http_version":"HTTP/1.1","vantage":"us-east-1"}
HTTP 404
2026-09-09 09:55http-error20 4041328
details

meta 

{"final_url":"https://arbitrum-mpp-transaction-preflight-production.up.railway.app/","vantage":"us-east-1"}
HTTP 404
2026-09-08 08:53http-error20 4045355
details

meta 

{"final_url":"https://arbitrum-mpp-transaction-preflight-production.up.railway.app/","vantage":"us-east-1"}
HTTP 404
2026-09-07 02:51http-error20 404147
details

meta 

{"final_url":"https://arbitrum-mpp-transaction-preflight-production.up.railway.app/"}
HTTP 404