api.nansen.ai

27 x402 endpoints assessed · worst score 40/100 · generated 2026-09-22T20:23:36.882Z

Some endpoints are safe to pay

Verdicts

pay 13 · caution 14 · avoid 0

Findings across this host

missing-trust-surface — 27 endpoints
no-www-authenticate — 27 endpoints
unlisted — 9 endpoints
bazaar-unavailable — 5 endpoints
evaluation-traffic — 4 endpoints

Endpoints

method	resource	verdict	score	findings
`GET`	`https://api.nansen.ai/api/v1/prediction-market/market-screener`	caution	40	`missing-trust-surface` `no-www-authenticate` `bazaar-unavailable`
`GET`	`https://api.nansen.ai/api/v1/profiler/address/counterparties`	caution	40	`missing-trust-surface` `no-www-authenticate` `unlisted`
`GET`	`https://api.nansen.ai/api/v1/profiler/address/first-funder`	caution	40	`missing-trust-surface` `no-www-authenticate` `unlisted`
`GET`	`https://api.nansen.ai/api/v1/profiler/address/related-wallets`	caution	40	`missing-trust-surface` `no-www-authenticate` `bazaar-unavailable`
`GET`	`https://api.nansen.ai/api/v1/profiler/perp-pnl-summary`	caution	40	`missing-trust-surface` `no-www-authenticate` `unlisted`
`GET`	`https://api.nansen.ai/api/v1/smart-money/dex-trades`	caution	40	`missing-trust-surface` `no-www-authenticate` `unlisted`
`GET`	`https://api.nansen.ai/api/v1/smart-money/holdings`	caution	40	`missing-trust-surface` `no-www-authenticate` `unlisted`
`GET`	`https://api.nansen.ai/api/v1/smart-money/perp-trades`	caution	40	`missing-trust-surface` `no-www-authenticate` `unlisted`
`GET`	`https://api.nansen.ai/api/v1/tgm/dex-trades`	caution	40	`missing-trust-surface` `no-www-authenticate` `unlisted`
`GET`	`https://api.nansen.ai/api/v1/tgm/flow-intelligence`	caution	40	`missing-trust-surface` `no-www-authenticate` `bazaar-unavailable`
`GET`	`https://api.nansen.ai/api/v1/tgm/pnl-leaderboard`	caution	40	`missing-trust-surface` `no-www-authenticate` `unlisted`
`GET`	`https://api.nansen.ai/api/v1/tgm/token-information`	caution	40	`missing-trust-surface` `no-www-authenticate` `bazaar-unavailable`
`GET`	`https://api.nansen.ai/api/v1/tgm/token-ohlcv`	caution	40	`missing-trust-surface` `no-www-authenticate` `bazaar-unavailable`
`GET`	`https://api.nansen.ai/api/v1/token-screener`	caution	40	`missing-trust-surface` `no-www-authenticate` `unlisted`
`GET`	`https://api.nansen.ai/api/v1/prediction-market/categories`	pay	70	`missing-trust-surface` `no-www-authenticate` `evaluation-traffic`
`GET`	`https://api.nansen.ai/api/v1/profiler/address/historical-balances`	pay	70	`missing-trust-surface` `no-www-authenticate` `evaluation-traffic`
`GET`	`https://api.nansen.ai/api/v1/profiler/address/pnl`	pay	70	`missing-trust-surface` `no-www-authenticate` `evaluation-traffic`
`GET`	`https://api.nansen.ai/api/v1/profiler/address/pnl-summary`	pay	70	`missing-trust-surface` `no-www-authenticate` `evaluation-traffic`
`GET`	`https://api.nansen.ai/api/v1/nansen-score/top-tokens`	pay	80	`missing-trust-surface` `no-www-authenticate`
`GET`	`https://api.nansen.ai/api/v1/perp-leaderboard`	pay	80	`missing-trust-surface` `no-www-authenticate`
`GET`	`https://api.nansen.ai/api/v1/perp-screener`	pay	80	`missing-trust-surface` `no-www-authenticate`
`GET`	`https://api.nansen.ai/api/v1/profiler/address/current-balance`	pay	80	`missing-trust-surface` `no-www-authenticate`
`GET`	`https://api.nansen.ai/api/v1/profiler/address/transactions`	pay	80	`missing-trust-surface` `no-www-authenticate`
`GET`	`https://api.nansen.ai/api/v1/smart-money/netflow`	pay	80	`missing-trust-surface` `no-www-authenticate`
`GET`	`https://api.nansen.ai/api/v1/tgm/flows`	pay	80	`missing-trust-surface` `no-www-authenticate`
`GET`	`https://api.nansen.ai/api/v1/tgm/holders`	pay	80	`missing-trust-surface` `no-www-authenticate`
`GET`	`https://api.nansen.ai/api/v1/tgm/who-bought-sold`	pay	80	`missing-trust-surface` `no-www-authenticate`

Fix it

This page is free and shows what is wrong. The full audit adds severity, business impact and the exact fix for every finding, EIP-712 signed so you can hand it to whoever maintains the service.

POST https://enclave402.com/api/audit/host — $25.000 USDC via x402, body {"host":"api.nansen.ai"}

Verdicts come from a continuous probe of x402 resources. How grading works · our own settlement ledger and self-dealing share. If you believe a verdict is wrong, re-probe with /api/seller/vet.