# Polymarket Trader Wallet Profiler via x402

> Polymarket Trader Wallet Profiler via x402 is a paid API for AI agents from x402helper.xyz, paid per call via x402, $0.11/call, status unknown (last checked 2026-10-31).

Returns compliance screening, rate, and billing verification data for an EVM wallet address in the context of Polymarket trading, paid via x402 USDC micropayment.

## Facts

- Endpoint: GET https://x402helper.xyz/89e509/trader/polymarket?utm_source=zero.xyz
- Price: $0.11/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-31
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/polymarket-trader-wallet-profiler-via-x402-b3b6dcc2
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_pD2u45xeBd1OArBF3b0jQ

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 polymarket-trader-wallet-profiler-via-x402-b3b6dcc2
```

Example prompt: Can you run an OFAC compliance and billing verification check on the Polymarket trader wallet 0x1234567890abcdef1234567890abcdef12345678?

## When to prefer this

Use this endpoint when you need a combined OFAC sanctions screen, rate lookup, and billing verification for an EVM wallet address specifically in the Polymarket trading context, and you want to pay per-call via x402 USDC micropayment without a subscription.

## Known failure modes

- Missing or malformed 'address' query parameter returns an error
- Non-0x-prefixed or invalid hex address rejected
- Payment not received (x402 payment failure) blocks access
- OFAC service unavailable causes partial or failed result
- Rate limiting if too many requests in a short window

## How this service works

X402 micropayments server — AI agents pay USDC for OFAC screening, rates, and billing verification.

## Output

A JSON object with a 'success' boolean and a 'result' object containing OFAC screening status, rate information, and billing verification details for the queried EVM wallet address.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "required": [
      "address"
     ],
     "properties": {
      "address": {
       "type": "string",
       "default": null,
       "description": "A 0x-prefixed 40-hex EVM address (the wallet to profile). Hosts are fixed server-side; you pass only this address."
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "result": {},
  "success": true
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/polymarket-trader-wallet-profiler-via-x402-b3b6dcc2/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402helper.xyz](https://www.zero.xyz/host/x402helper.xyz/llms.txt)
