chess-eval.x402supply.com
Evaluate a chess position with Stockfish: best move, centipawn/mate score, principal variation, and optional multipv. No mocks — a real single-threaded Stockfish 10 (asm.js) runs in-isolate per call.
Offering
- Provider
- chess-eval.x402supply.com
- Method
- POST
- Offering type
- Api Endpoint
- Transport type
- http
- Category
- General Utilities
- Delivery
- Not provided
- Pricing model
- Not provided
- x402 version
- 2
Endpoint context
- URL
https://chess-eval.x402supply.com/tools/evaluate_position- MIME type
- application/json
- First seen
- 2026-10-16T01:52:25.593Z
- Last seen
- Tags
- None supplied
Payment pricing
x402 payment terms are the authoritative price for calling this endpoint.
- Payment option 1
- 0.01 USDC
Atomic price: 10000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
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"network": "eip155:8453",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "10000",
"payTo": "0x07fFB5044cF2Cd4352Be4655f578D0ba8cb754EB"
}
]Observed health
- Status
- Healthy
- Latest latency
- 1176 ms
- Average latency
- 918 ms
- HTTP status
- 204
- Last checked
- 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
{
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"properties": {
"type": {
"type": "string",
"const": "http"
},
"method": {
"type": "string",
"enum": [
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},
"bodyType": {
"type": "string",
"enum": [
"json",
"form-data",
"text"
]
},
"body": {
"type": "object",
"properties": {
"fen": {
"type": "string"
},
"depth": {
"type": "integer",
"minimum": 1,
"maximum": 18
},
"multipv": {
"type": "integer",
"minimum": 1,
"maximum": 5
}
},
"required": [
"fen"
],
"additionalProperties": false
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"additionalProperties": false
}Output schema
{
"type": "object",
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object"
}
},
"required": [
"type"
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}