Today's Lichess daily puzzle
Today's Lichess daily puzzle: source game, themes, initial position, solution moves, and rating.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
257 msmedian answer time
$0.001listed price per call
$0.001price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://chess402.vercel.app/api/puzzle/daily
| Category | Everything else |
|---|---|
| Provider host | chess402.vercel.app |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.001 | 257 ms |
Example input (from the provider)
{
"body": {},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$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"
}