Tool detail
Nansen
Returns current token holdings data for Nansen's tracked Smart Money wallets, filterable by chain.
Categories: Wallet analytics, Market prices
Use when
- see what tokens smart money wallets currently hold
- check Smart Money holdings on specific chains
Not for
- not wallet-level transaction history - holdings snapshot only
Inputs
POST JSON body: { chains: array } (required); filters, order_by, pagination (objects/arrays), premium_labels (boolean) (optional)
Inputs undocumented: array without items
Endpoint
- Method
POST- URL
https://api.nansen.ai/api/v1/smart-money/holdings
Payment
- Protocol
- x402
- Listed price
- 0.05 USDC per call on Base
- Payment method
- exact
- Network
- eip155:8453
- Asset
- 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.
Source
- Directory
- Coinbase x402 Bazaar
- Record
- POST https://api.nansen.ai/api/v1/smart-money/holdings
- Retrieved
- 2026-09-30T20:37:07.382Z
- Catalog file SHA-256
6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524- Catalog built
- 2026-09-30T22:31:58.034Z