# BlockRun.AI Bulk Polymarket Wallet Identity Lookup

> BlockRun.AI Bulk Polymarket Wallet Identity Lookup 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).

Batch-resolves identity and profile metadata for up to 200 Polymarket wallet addresses in a single request

## Facts

- Endpoint: GET https://blockrun.ai/api/v1/pm/polymarket/wallet/identities
- 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-053d34ae
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_VhTcuyfC-L2eX3ku-iaQm

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-053d34ae
```

Example prompt: Look up the Polymarket identities for these 50 wallet addresses all at once: 0xABC123..., 0xDEF456..., 0x789GHI... — I need usernames and profile info for each one.

## When to prefer this

Use this endpoint when you need to resolve identities for multiple Polymarket wallet addresses simultaneously (up to 200) and want to avoid making individual per-wallet API calls. Ideal for enriching leaderboard data, analyzing trader profiles in bulk, or annotating position/holder lists with human-readable identities.

## Known failure modes

- Exceeding 200 address limit per request may result in an error or truncated response
- Invalid or malformed wallet addresses may return null or error entries for those addresses
- Wallets with no Polymarket identity return empty or null profile data
- Payment failure (402) if x402 USDC micropayment is not correctly attached
- Rate limiting if too many requests are made in quick succession

## How this service works

Bulk identity lookup for up to 200 wallet addresses (POST body: {addresses: [..]})

## Output

Returns identity and profile metadata (e.g. usernames, display names, profile details) for each submitted Polymarket wallet address in the batch, keyed by address.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "query": {
   "type": "object",
   "description": "Structured query object"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/blockrun-ai-053d34ae/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)