Onchain Intelligence
for AI Agents

Track Smart Money, profile any wallet, and screen tokens across 18+ chains. Structured JSON via CLI, MCP, or REST API.

npm install -g nansen-cli npx skills add nansen-ai/nansen-cli

Paste in your terminal or give to your agent

Get API Key →
Access Methods

3 Ways to Connect

Pick what fits your stack. All methods return the same high-quality data.

Nansen CLI

The Nansen CLI (nansen-cli) is a command-line interface for the Nansen API. All output is structured JSON, making it ideal for AI agents, scripts, and automation pipelines.

CLI Documentation →

Nansen MCP

Connect your AI tools (e.g. Claude, Cursor) using Anthropic's Model Context Protocol, a standard that lets AI tools interact with Nansen data.

mcp.nansen.ai/ra/mcp MCP Setup Guide →

Nansen API

Direct HTTP access with your API key or x402 micropayments.

API Documentation →
x402 Pricing

Or Start Without API Key. From $0.01 Per Query

x402 enables pay-per-call access to the Nansen API using USDC on Base or Solana.

Basic Tier

$0.01
per call
Token Screener Perp Trades Wallet Balances Related Wallets Historical Balances Transfers Transactions DCAs PnL Flow Intelligence DEX Trades Perp Positions Flows Perp Screener Who Bought/Sold

Premium Tier

$0.05
per call
SM Net Flow Holders SM Holdings PnL Leaderboard SM DEX Trades Perp PnL Leaderboard SM Inflows Perp Leaderboard Counterparties
See Full Endpoint List
Use Cases

What Agents Build with Nansen

Real workflows agents run today, with estimated x402 cost per run.

USE CASE 01

Smart Money Signal Alert

Detect when labeled wallets start accumulating a token. Alert before the crowd catches on.

  • smart-money/dex-trades$0.05
  • smart-money/netflows$0.05
  • smart-money/perp-trades$0.05
Total per run~$0.15
USE CASE 02

Wallet Due Diligence

Full profile on any wallet before copy-trading: PnL history, transaction patterns, counterparties.

  • profiler/address/pnl-summary$0.01
  • profiler/address/transactions$0.01
  • profiler/address/counterparties$0.05
Total per wallet~$0.07
USE CASE 03

Token Research Assistant

Screen for tokens with Smart Money momentum, check holder distribution, and flag early moves.

  • token-screener$0.01
  • tgm/holders$0.05
  • tgm/flow-intelligence$0.01
Total per token~$0.07

One API to Cover All the Chains You Want

Ethereum Polygon Arbitrum Solana Tron Avalanche HyperEVM
Optimism Bitcoin Mantle Scroll Sei BNB Chain Sonic
Ronin Linea Base Unichain zkSync Chiliz

Used by crypto-native funds, quant trading firms, and autonomous agents worldwide.

Full API Docs llms.txt MCP Registry ClawHub Skill Pricing