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Nansen API

x402Not rated yetLast checked 4 hours ago

POST https://api.nansen.ai/api/v1beta1/profiler/historical-transaction-lookup

Listed in pay.sh

Get Historical (Time-Travel) Transaction Lookup Data (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 · 179 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/address/historical-token-balances	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/historical-transaction-lookup"
# HTTP/1.1 402 Payment Required: price, asset and payTo are in the response

Recent checks

Checked (UTC)	Result	Status	Time	Live price
2026-10-14 12:15	Valid 402	402	179 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