# Nansen Smart Money DEX Trades

> Nansen Smart Money DEX Trades is a paid API for AI agents from emblemvault.ai, paid per call via x402, $0.065997/call, status unknown (last checked 2026-09-14).

Retrieves recent DEX trades made by Nansen-identified 'smart money' wallets on a specified blockchain, revealing what top traders are actively buying and selling.

## Facts

- Endpoint: POST https://emblemvault.ai/api/tools/execute/unified/nansen_smart_money_trades
- Price: $0.065997/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/emblemvault-ai-e84bbdce
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_QTQVCUJSICNGM8sXPKiPC

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability emblemvault-ai-e84bbdce -d '<json body>'
```

Example prompt: Show me the latest 50 DEX trades made by Nansen smart money wallets on Ethereum — I want to see what top traders are buying and selling right now.

## When to prefer this

Choose this endpoint when you need real-time DEX trading signals from Nansen's curated smart money wallet list, particularly for alpha discovery on which tokens sophisticated on-chain traders are accumulating or distributing. Best for DeFi research, copy-trading signals, and market intelligence across major EVM chains and Solana.

## Known failure modes

- Invalid chain enum value returns validation error
- Missing or invalid API key/JWT may restrict results or return 401/403
- Empty result set if no recent smart money trades exist for the specified chain
- Rate limiting or payment failure if USDC balance is insufficient
- Unsupported chain (e.g. monad testnet) may return no data or error

## How this service works

Fetch recent DEX trades from smart money wallets to spot what top traders are buying and selling.

## Output

A paginated list of recent DEX trades executed by Nansen-labeled smart money wallets on the specified chain, including token pairs, trade direction (buy/sell), wallet addresses, and trade details useful for identifying emerging trends among sophisticated traders.

## Example request

```json
{
 "chain": "ethereum",
 "per_page": 50
}
```

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "chain": {
   "enum": [
    "ethereum",
    "solana",
    "base",
    "arbitrum",
    "polygon",
    "optimism",
    "avalanche",
    "bnb",
    "hyperevm",
    "linea",
    "mantle",
    "monad",
    "ronin",
    "scroll",
    "sei",
    "sonic"
   ],
   "type": "string",
   "description": "Chain to query"
  },
  "apiKey": {
   "type": "string",
   "description": "Optional Vault API key"
  },
  "per_page": {
   "type": "number",
   "default": 50,
   "description": "Results per page"
  },
  "emblemJwt": {
   "type": "string",
   "description": "Optional Emblem Vault JWT"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/emblemvault-ai-e84bbdce/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from emblemvault.ai](https://www.zero.xyz/host/emblemvault.ai/llms.txt)
