Nansen

Trade everything onchain with AI, powered by 500M+ labeled addresses. Track Smart Money, analyze any token, and execute instantly - all in one place.

An open two-week build competition on live onchain data. Use Nansen API to build anything real. Best submission takes home $10K USDC.

Connect Nansen to Grok to use 12 curated tools for token and wallet analysis. Sign in with your Nansen account through OAuth. No API key is needed. A Nansen account and a Grok account. Tool calls use your Nansen account's API credits and rate limits. Open grok.com/connectors, click New Connector, then choose Custom.

An open two-week build competition on live onchain data. Use Nansen API to build anything real. Best submission takes home $10K USDC.

x402 enables pay-per-call access to the Nansen API using cryptocurrency. No subscription or API key required. Send a request, pay with USDC on Base, Solana, or Monad, and get data back. x402 is an open HTTP payment protocol. When you make a request to a supported endpoint without an API key, the server returns a 402 Payment Required response with payment instructions. Your client pays the specified amount in USDC, then retries the request with a payment receipt. 1. Client sends request (no API key) 2.

Nansen's Trading API endpoints cover spot swaps and Hyperliquid perpetual trading. Both flows keep signing on your side: Nansen prepares unsigned transaction or action data, you sign locally, and you submit the signed payload. Choose a trading flow Spot Trading Use Spot Trading to quote and execute token swaps against onchain liquidity. It supports same-chain swaps and supported bridge routes between solana and base.

Nansen's Spot Trading API endpoints let you execute token swaps directly against onchain liquidity. Get a quote across aggregators, sign it with your own keys, and broadcast it -- same-chain or across chains. Your keys never leave your side: Nansen returns unsigned transaction data, you sign locally, and you send back the signed payload to broadcast. What can you do?

┌────────────┐ unsigned action ┌──────────┐ {r,s,v} ┌───────────────┐ │ prepare │ ───────────────────► │ sign │ ───────────► │ execute │ │ (6 routes) │ + eip712 │ (local) │ │ (1 route) │ └────────────┘ └──────────┘ └───────────────┘ no state change your keys real money I want to... Use this endpoint Notes You want to bridge From an EVM chain From Hyperliquid

A private community with direct access to Nansen analysts, institutional-grade market intelligence, and a network of high-volume traders. A private community with direct access to Nansen analysts, institutional-grade market intelligence, and a network of high-volume traders. Not just any VIP trading group. Built around institutional-grade intelligence - and the people who know exactly what to do with it. Invite-Only Private community The room where Nansen's Smart Money team and top traders talk.

We're winding down NX8, the tokenized Layer-1 index we launched with OpenDelta. If you're a holder, nothing is lost - a fixed-price redemption route opens on 24 August, and this post covers everything you need to do. Why wind-down NX8 NX8 was built to give exposure to major Layer-1 assets in a single token. NX8 worked as designed, but an internal review made clear it no longer fits alongside our core priorities: trading and our agent products.