# BlockRun Polymarket Wallet Identity Lookup

> BlockRun Polymarket Wallet Identity Lookup is a paid API for AI agents from blockrun.ai, paid per call via x402, $0.0085/call, status unknown (last checked 2026-10-11).

Fetches identity and wallet information for a given Ethereum address on Polymarket via BlockRun's routing and payment layer

## Facts

- Endpoint: GET https://blockrun.ai/api/v1/pm/polymarket/wallet/identity/0x0000000000000000000000000000000000000000?utm_source=zero.xyz
- Price: $0.0085/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-11
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/blockrun-polymarket-wallet-identity-lookup-9e072d48
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_zJcktEyEjTIr8JLHjq3kT

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-wallet-identity-lookup-9e072d48
```

Example prompt: Can you look up the Polymarket identity and wallet profile for Ethereum address 0xAbCd1234...?

## When to prefer this

Use this endpoint when you need to resolve a raw Ethereum wallet address to its Polymarket user identity, particularly for enriching trading data, auditing prediction market participants, or verifying account ownership on Polymarket. Prefer this over generic blockchain explorers when Polymarket-specific identity metadata is needed.

## Known failure modes

- Address not found on Polymarket — returns empty or null identity object
- Invalid Ethereum address format — returns 400 or error response
- Payment failure or insufficient USDC balance — returns 402 Payment Required
- Rate limiting or upstream Polymarket API unavailability — returns 503 or timeout

## 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. 115 models and 100 data and tool APIs.

## Output

Returns an identity record for the specified Ethereum address on Polymarket, which may include profile metadata, username, linked account details, and on-chain identity fields associated with that wallet on the Polymarket platform.

## 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-wallet-identity-lookup-9e072d48/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)