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Nansen AI - Address Historical Transactions
x402
Nansen AI - Address Historical Transactions is a paid API for AI agents from api.nansen.ai, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-14).
Retrieves the historical on-chain transaction history for a given blockchain address, enriched with Nansen's Smart Money labels and analytics.
Price / call$0.05
Success—
StatusUnknown
How this service works
Get Historical Transactions for an Address (Beta)
Output
A list of historical on-chain transactions for the specified address, enriched with Nansen's 500M+ labeled address data including Smart Money tags, token transfer details, timestamps, counterparties, and transaction metadata.
Example use cases
Example prompt
“Pull the historical on-chain transactions for wallet address 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 using Nansen — I want to see its full trading history with Smart Money labels.”
Technical details
Endpoint
GEThttps://api.nansen.ai/api/v1beta1/profiler/address/historical-transactionsWhen to prefer
Choose this endpoint when you need enriched, labeled historical transaction data for a specific blockchain address and want Nansen's Smart Money intelligence layered on top — especially useful for tracking whale wallets, DeFi traders, or performing due diligence on a specific on-chain actor. Prefer this over generic block explorers when Smart Money labeling and Nansen's proprietary address classification are important.
Side effects
- Invalid or malformed blockchain address returns 400 error
- Address not found or never transacted returns empty result set
- Rate limiting or quota exceeded returns 429 error
- Payment failure (x402) if USDC balance insufficient
- Unsupported chain or address type returns error
- Internal server error (500) if Nansen backend unavailable
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| chainrequired | string | Chains supported for Profiler Historical Token Balances endpoint. |
| addressrequired | string | Wallet address (EVM hex or Solana base58) |
| as_of_daterequired | string | Historical snapshot date — only transactions on or before this date are returned, with labels resolved as of this date. |
| pagination | object | Pagination parameters for API requests. |
| hide_spam_token | boolean | Filter out tokens flagged as spam by Nansen |
| apply_blacklist_filter | boolean | When True, exclude blacklisted addresses from the results. Defaults to True. |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| datarequired | array | List of historical transaction records ordered by block_timestamp DESC. |
| paginationrequired | object | Pagination information for API responses. |
Tags
x402
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