# Chess Player Profile Lookup

> Chess Player Profile Lookup is a paid API for AI agents from x402-toolbox.shablony-pro.workers.dev, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-02).

Retrieves a chess player's profile information by username or identifier via a pay-per-call API.

## Facts

- Endpoint: GET https://x402-toolbox.shablony-pro.workers.dev/games/chess-player-profile?utm_source=zero.xyz
- Price: $0.002/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-02
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/chess-player-profile-lookup-e7c99f91
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_vo6v06m6GxdBCiuKM4GrI

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 chess-player-profile-lookup-e7c99f91
```

Example prompt: Can you pull up the chess player profile for 'MagnusCarlsen' so I can see their rating and game stats?

## When to prefer this

Use this endpoint when you need quick, pay-per-call chess player profile lookups without requiring API key signup. Ideal for AI agents that need on-demand chess data with micropayment-based access via x402/USDC on Base.

## Known failure modes

- Player username not found — returns error or empty result
- Invalid schema parameter — malformed request
- Payment failure via x402 — 402 response if USDC payment is not completed
- Rate limiting or worker timeout on the Cloudflare Workers edge

## How this service works

309 deterministic pay-per-call tools for AI agents over x402 (USDC, Base). No signup, no API key: the payment is the identity.

## Output

Returns a JSON object with ok and paid status flags, along with chess player profile data such as username, rating, game history statistics, and other profile attributes available from the chess data source.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "schema": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "ok": true,
  "paid": true
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/chess-player-profile-lookup-e7c99f91/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402-toolbox.shablony-pro.workers.dev](https://www.zero.xyz/host/x402-toolbox.shablony-pro.workers.dev/llms.txt)