# BlockRun Polymarket Smart Money Tracker

> BlockRun Polymarket Smart Money Tracker is a paid API for AI agents from blockrun.ai, paid per call via x402, $0.0085/call, status unknown (last checked 2026-09-15).

Retrieves smart money activity and positioning data for a specific Polymarket prediction market by its contract address

## Facts

- Endpoint: GET https://blockrun.ai/api/v1/pm/polymarket/market/0x0000000000000000000000000000000000000000000000000000000000000000/smart-money
- Price: $0.0085/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/blockrun-polymarket-smart-money-tracker-cd3bedb7
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_FXH7CA5VH32MGhpsBTMOe

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 blockrun-polymarket-smart-money-tracker-cd3bedb7
```

Example prompt: Show me what smart money traders are doing on the Polymarket market at address 0x1234...abcd — which sophisticated wallets are positioned and how?

## When to prefer this

Use this endpoint when you need on-chain smart money intelligence specifically for Polymarket prediction markets and want to understand how sophisticated or high-performing traders are positioned. Prefer this over general Polymarket market data endpoints when the trading behavior of expert wallets matters, such as before entering a position or when analyzing market sentiment from an informed-trader perspective.

## Known failure modes

- Invalid or zero-value market address returns empty or error response
- Market address not found on Polymarket returns no data
- Rate limiting or payment failure via x402 protocol
- Market may be expired or resolved with no active smart money data
- Null address (all zeros) used as placeholder may return no meaningful data

## How this service works

Pay for the outcome. One endpoint for every model, tool and data source an agent needs — each call priced before it runs, at the best value per dollar. 103 models and 100 data and tool APIs.

## Output

Returns smart money activity data for the specified Polymarket market, including positions, wallet activity, and trading signals from high-performing or high-volume on-chain participants, indicating how sophisticated traders are positioned in the market.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "input": {
   "type": "object",
   "properties": {
    "query": {
     "type": "object",
     "required": [],
     "properties": {}
    }
   }
  },
  "output": {
   "type": "object",
   "properties": {
    "example": {
     "type": "object",
     "properties": {
      "data": {
       "type": "object"
      }
     }
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/blockrun-polymarket-smart-money-tracker-cd3bedb7/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from blockrun.ai](https://www.zero.xyz/host/blockrun.ai/llms.txt)