# 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).

Returns the leaderboard of top traders for a specific Polymarket prediction market identified by its condition ID

## Facts

- Endpoint: GET https://blockrun.ai/api/v1/pm/polymarket/leaderboard/market/CONDITION_ID
- 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-f037c6f0
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_e5GoWBSAo6x0PSLWUvGSq

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-f037c6f0
```

Example prompt: Can you pull up the trader leaderboard for the Polymarket market with condition ID 0x1234abcd... — I want to see who the top performers are on that specific market?

## When to prefer this

Use this endpoint when you need to identify the top-performing traders on a specific Polymarket prediction market by its condition ID. Prefer this over wallet-level analytics endpoints when the goal is comparative market-level ranking rather than individual wallet analysis.

## Known failure modes

- Invalid or non-existent condition ID returns an error or empty result
- Market condition ID not found on Polymarket returns 404 or empty data
- Payment not processed returns 402 Payment Required
- Malformed condition ID format causes a bad request error

## How this service works

Get leaderboard for a specific market

## Output

A ranked list of top traders for the specified Polymarket market, including wallet addresses and their performance metrics such as PnL, position sizes, win rates, and volume for that specific market condition.

## 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-f037c6f0/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)