Api Endpoint

chess402.vercel.app

Stockfish cloud evaluation for a FEN position. Returns depth, evaluation, and principal variation(s) when Lichess has the position cached.

Open interactive test console

Offering

Provider: chess402.vercel.app
Method: GET
Offering type: Api Endpoint
Transport type: http
Category: General Utilities
Delivery: Not provided
Pricing model: Not provided
x402 version: 1

Endpoint context

URL: https://chess402.vercel.app/api/cloud-eval
MIME type: Not provided
First seen: 2026-10-16T02:36:13.239Z
Last seen: 2026-10-25T23:49:42.224Z
Tags: None supplied

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1: 0.005 USDC
Atomic price: 5000 · Network: eip155:8453 · Asset: USDC · Scheme: exact

Raw x402 terms

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "5000",
    "payTo": "0xfbd46201267609ad3c66bd1b99b7f1cc80b1852f"
  }
]

Observed health

Status: Reachable
Latest latency: 87 ms
Average latency: 726 ms
HTTP status: 405
Last checked: 2026-11-02T18:29:22.828Z
Reachability: 100% over 14 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{}

Output schema

null