# BlockRun.AI Polymarket Similar Wallets Finder

> BlockRun.AI Polymarket Similar Wallets Finder is a paid API for AI agents from blockrun.ai, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-15).

Finds Polymarket wallets with similar market portfolio compositions to a given wallet address

## Facts

- Endpoint: GET https://blockrun.ai/api/v1/pm/polymarket/wallet/:address/similar
- Price: $0.005/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/blockrun-ai-800c4817
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_0560tI7BhT56Ar8iFnmg4

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-800c4817
```

Example prompt: Can you find Polymarket wallets that have similar portfolio positions to wallet 0x1234abcd5678efgh? I want to see which other traders are holding comparable market bets.

## When to prefer this

Use this endpoint when you need to discover Polymarket traders with similar portfolio compositions to a known wallet — ideal for finding influential traders to follow, understanding market consensus clusters, or building social trading features around prediction markets. Prefer this over general wallet lookup endpoints when the goal is portfolio similarity matching rather than individual wallet analytics.

## Known failure modes

- Invalid or malformed wallet address returns an error
- Wallet address not found on Polymarket returns empty or 404
- Wallet with no market positions may return empty similarity results
- Rate limiting if too many requests made in quick succession
- Network timeout for complex similarity computations

## How this service works

Find wallets with similar market portfolios

## Output

A list of Polymarket wallet addresses ranked by portfolio similarity to the queried wallet, likely including similarity scores and relevant portfolio overlap 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-800c4817/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)