# 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 2026-10-20).

Returns the leaderboard rankings for a specific Polymarket prediction market

## Facts

- Endpoint: GET https://blockrun.ai/api/v1/pm/polymarket/leaderboard/market/test?utm_source=zero.xyz
- Price: $0.0085/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-20
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/blockrun-ai-polymarket-market-leaderboard-a5583ef7
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_lF5ZLuBrRDzJZ86cP61LQ

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-a5583ef7
```

Example prompt: Show me the leaderboard for the Polymarket market on the 2024 US presidential election — I want to see which traders are ranked highest and how they're performing.

## When to prefer this

Use this endpoint when you need to retrieve competitive rankings and trader performance data for a specific Polymarket prediction market. Prefer this over the top-holders endpoint when you want a full leaderboard view rather than just top position sizes. Best suited for analytics, competitive research, or monitoring specific market dynamics.

## Known failure modes

- Invalid or non-existent market ID returns an error or empty result
- Market has insufficient participants to generate a meaningful leaderboard
- Rate limiting or payment failure results in 402 or 429 response
- Market slug/ID mismatch causes no results returned

## How this service works

Get leaderboard for a specific market

## Output

Returns a ranked list of traders for the specified Polymarket market, including positions, profit/loss data, and trader identifiers ordered by performance metrics.

## 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-a5583ef7/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)