Today's Lichess daily puzzle: source game, themes, initial position, solution moves, and r
Today's Lichess daily puzzle: source game, themes, initial position, solution moves, and rating.
1000 (raw units)
price
1
calls / 30d
1
unique payers
2026-09-12
updated
Provider
chess402.vercel.app · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0xfbd46201267609ad3c66bd1b99b7f1cc80b1852f",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "1000",
"maxTimeoutSeconds": 300
}
]Output schema
{
"bazaar": {
"info": {
"input": {
"body": {},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"game": {
"id": "exampleId"
},
"puzzle": {
"id": "exampleId",
"rating": 1500,
"solution": [
"e2e4",
"e7e5"
],
"themes": [
"mateIn2",
"short"
]
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false,
"description": "No parameters required. Send `{}` or an empty body.",
"properties": {},
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": {},
"description": "Daily puzzle response.",
"properties": {
"game": {
"additionalProperties": {},
"description": "Source game for the puzzle.",
"properties": {
"id": {
"description": "Lichess game id the puzzle was extracted from.",
"type": "string"
},
"pgn": {
"description": "PGN of the game up to the puzzle position.",
"type": "string"
}
},
"required": [
"id"
],
"type": "object"
},
"puzzle": {
"additionalProperties": {},
"description": "Puzzle metadata and solution.",
"properties": {
"id": {
"description": "Puzzle id.",
"type": "string"
},
"initialPly": {
"description": "Ply count at puzzle start position.",
"maximum": 9007199254740991,
"minimum": -9007199254740991,
"type": "integer"
},
"rating": {
"description": "Puzzle difficulty rating.",
"maximum": 9007199254740991,
"minimum": -9007199254740991,
"type": "integer"
},
"solution": {
"description": "Sequence of UCI moves that solve the puzzle.",
"items": {
"type": "string"
},
"type": "array"
},
"themes": {
"description": "Tactical themes labeled on this puzzle.",
"items": {
"type": "string"
},
"type": "array"
}
},
"required": [
"id",
"rating",
"solution"
],
"type": "object"
}
},
"required": [
"game",
"puzzle"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
}Use it
curl
curl "https://chess402.vercel.app/api/puzzle/daily" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://chess402.vercel.app/api/puzzle/daily");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://chess402.vercel.app/api/puzzle/daily")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/13035.json, and this resource appears in /discovery/resources and /discovery/search.