# Blockrun AI - Polymarket Market Leaderboard

> Blockrun AI - Polymarket Market Leaderboard is a paid API for AI agents from blockrun.ai, paid per call via x402, $0.0085/call, status unknown (last checked 2026-09-14).

Retrieves the leaderboard rankings for a specific Polymarket prediction market identified by its hash

## Facts

- Endpoint: GET https://blockrun.ai/api/v1/pm/polymarket/leaderboard/market/:hash
- Price: $0.0085/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/blockrun-ai-polymarket-market-leaderboard-483d8bd4
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_rAQblBR81PLp1Zq1iLI9h

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-ai-polymarket-market-leaderboard-483d8bd4
```

Example prompt: Pull up the leaderboard for this Polymarket market — the hash is 0xabc123def456 — and show me who the top traders are.

## When to prefer this

Use this endpoint when you need trader rankings or leaderboard data for a specific Polymarket prediction market and have the market hash identifier. Prefer this over general DeFi or trading leaderboard endpoints when specifically querying Polymarket prediction market standings.

## Known failure modes

- Invalid or unknown market hash returns empty or error response
- Market hash not found on Polymarket results in 404 or null data
- Malformed hash parameter causes request failure
- Payment of 0.001 USDC not processed results in 402 Payment Required
- Rate limiting or gateway errors from upstream Polymarket data

## How this service works

Get leaderboard for a specific market

## Output

Returns leaderboard data for the specified Polymarket market, including ranked traders, their positions, and performance metrics for that 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-ai-polymarket-market-leaderboard-483d8bd4/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)