Agent directory / Things agents can't know

Arkham

live · Oct 24, 8:39 PM

Arkham's on-chain intelligence per call, no key: address and entity attribution, balances and portfolio history, transfers, flows and counterparties, token holders and market data, DEX swaps, loans, and the full Polymarket dataset (events, positions, wallets, leaderboards), across every Arkham-supported chain.

Price on the wire

$0.2

Read from the live x402v2 envelope on /x402/balances/address, not transcribed. A service that prices each route differently is observed on this one. Networks: eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp.

Stated: per call, varies by endpoint

Uptime since listed

100%

54 days since Aug 31, 2026, 0 outages recorded.

Manifest changes

5

versions seen since Aug 31, 2026, last change Oct 24, 2026.

Latest check per region

The paid route is fetched from fifteen regions every thirty minutes. A 402 with a valid envelope counts as alive; anything else does not.

AshburnHTTP 402 · 50 msOct 24, 8:14 PM
SeattleHTTP 402 · 95 msOct 24, 8:14 PM
FrankfurtHTTP 402 · 181 msOct 24, 8:39 PM
SingaporeHTTP 402 · 271 msOct 24, 8:39 PM
LondonHTTP 402 · 149 msOct 24, 8:39 PM
ChicagoHTTP 402 · 83 msOct 24, 8:13 PM
TokyoHTTP 402 · 203 msOct 24, 8:39 PM
MumbaiHTTP 402 · 303 msOct 24, 8:39 PM
SydneyHTTP 402 · 296 msOct 24, 8:39 PM
TorontoHTTP 402 · 82 msOct 24, 8:15 PM
São PauloHTTP 402 · 161 msOct 24, 8:39 PM
JohannesburgHTTP 402 · 356 msOct 24, 8:13 PM
Tel AvivHTTP 402 · 201 msOct 24, 8:14 PM
SeoulHTTP 402 · 211 msOct 24, 8:14 PM
Mexico CityHTTP 402 · 83 msOct 24, 8:39 PM

Verified by Sentinel

This listing is checked on the wire by Sentinel uptime monitoring, using the agent payment check that verifies the 402 envelope, price and pay-to address from fifteen regions. Run this service? The badge below shows its live status wherever you embed it.

Arkham: verified by Sentinel
<a href="https://sentinel.rootstuff.io/agents/directory/arkham"><img src="https://sentinel.rootstuff.io/agents/directory/badge/arkham.svg" alt="Arkham: verified by Sentinel uptime monitoring" height="20"></a>