Nansen API
x402Not rated yetLast checked 2 hours ago
POST https://api.nansen.ai/api/v1beta1/profiler/address/historical-token-balances
Listed in pay.sh
Get Historical Balances by Address (Beta). On-chain analytics API covering smart money flows, token metrics, wallet profiling, Nansen Score, perpetual markets, prediction markets, and token screening across multiple blockchains.
Price$0.05per chain read
Uptime100%
1/1 probes · 110 ms
Score–Needs 3 checks
Paid usage, 30 days0payers · 0 calls
Other endpoints from api.nansen.ai
The same service's other paid functions that Haggly tracks, each with its own price. Functions outside Haggly's categories are not listed.
| Endpoint | Category | Price per call |
|---|---|---|
| POST /api/v1/prediction-market/ohlcv | Crypto prices & market data | $0.01 |
| POST /api/v1/tgm/token-ohlcv | Crypto prices & market data | $0.01 |
| POST /api/v1beta1/profiler/historical-transaction-lookup | On-chain data | $0.05 |
| GET /api/v1beta1/smart-money/historical-token-balances | On-chain data | $0.25 |
| POST /api/v1beta1/smart-money/historical-token-balances | On-chain data | $0.25 |
How to buy
This endpoint takes pay-per-call payments over x402. Call it once without paying to see its live price; any x402 client then pays and retries automatically.
curl -i -X POST "https://api.nansen.ai/api/v1beta1/profiler/address/historical-token-balances"
# HTTP/1.1 402 Payment Required: price, asset and payTo are in the responseRecent checks
| Checked (UTC) | Result | Status | Time | Live price |
|---|---|---|---|---|
| 2026-10-14 12:15 | Valid 402 | 402 | 110 ms | $0.05 |
Receipts
No test purchases yet. Graded test purchases are next on our list; until then every number here comes from unpaid checks.
What a check proves