Agent Arcade: Reasoning Games
Twenty-Four daily math puzzle — four numbers to combine into exactly 24; deterministic solvable UTC daily challenge for agent reasoning benchmarks.
Offering
- Provider
- agent-arcade.use.x402atlas.com
- Method
- GET
- Offering type
- Api Endpoint
- Transport type
- http
- Category
- Science And Education
- Delivery
- Not provided
- Pricing model
- Not provided
- x402 version
- 2
Endpoint context
- URL
https://agent-arcade.use.x402atlas.com/twenty-four/daily- MIME type
- application/json
- First seen
- 2026-10-16T01:50:06.715Z
- Last seen
- Tags
- twenty-four, 24-game, math-puzzle, arithmetic, reasoning, agent-benchmark, daily-challenge
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 - Payment option 2
- 0.005 USDC
Atomic price: 5000 · Network: eip155:137 · Asset: USDC · Scheme: exact - Payment option 3
- 0.005 USDC
Atomic price: 5000 · Network: eip155:42161 · Asset: USDC · Scheme: exact - Payment option 4
- 0.005 USDC
Atomic price: 5000 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact
Raw x402 terms
[
{
"scheme": "exact",
"network": "eip155:8453",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "5000",
"payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2"
},
{
"scheme": "exact",
"network": "eip155:137",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"amount": "5000",
"payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2"
},
{
"scheme": "exact",
"network": "eip155:42161",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"amount": "5000",
"payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2"
},
{
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"amount": "5000",
"payTo": "ASt6xvRyQ7ntERsmcYVMdLqZvz1GEN8Fzexzq62tXrNQ"
}
]Observed health
- Status
- Healthy
- Latest latency
- 12 ms
- Average latency
- 14 ms
- HTTP status
- 402
- Last checked
- Reachability
- 100% over 13 checks
Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.
Input schema
{
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"additionalProperties": false,
"description": "Twenty-Four daily takes no query parameters; it always returns today's UTC puzzle.",
"properties": {},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
}Output schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"additionalProperties": false,
"description": "Twenty-Four daily takes no query parameters; it always returns today's UTC puzzle.",
"properties": {},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"additionalProperties": false,
"description": "Twenty-Four daily challenge envelope.",
"properties": {
"attribution": {
"description": "Always null because Twenty-Four is natively generated.",
"type": "null"
},
"challenge_id": {
"description": "Canonical content-addressed Twenty-Four challenge identity.",
"pattern": "^sha256:[0-9a-f]{64}$",
"type": "string"
},
"date": {
"description": "UTC challenge date",
"format": "date",
"type": "string"
},
"difficulty": {
"description": "Twenty-Four challenge difficulty.",
"enum": [
"normal"
],
"type": "string"
},
"game": {
"description": "Twenty-Four game identity.",
"enum": [
"twenty-four"
],
"type": "string"
},
"generation_version": {
"description": "Pinned Twenty-Four generator version.",
"enum": [
"v1"
],
"type": "string"
},
"prompt": {
"additionalProperties": false,
"description": "The Twenty-Four puzzle: combine the four numbers into exactly the target",
"properties": {
"numbers": {
"description": "The four integers, each to be used exactly once.",
"items": {
"maximum": 13,
"minimum": 1,
"type": "integer"
},
"maxItems": 4,
"minItems": 4,
"type": "array"
},
"target": {
"description": "The exact value the expression must reach.",
"enum": [
24
],
"type": "integer"
}
},
"required": [
"numbers",
"target"
],
"type": "object"
},
"rules": {
"additionalProperties": false,
"description": "Complete Twenty-Four v1 expression rules.",
"properties": {
"allowed_operators": {
"items": {
"enum": [
"+",
"-",
"*",
"/"
],
"type": "string"
},
"maxItems": 4,
"minItems": 4,
"type": "array",
"uniqueItems": true
},
"arithmetic": {
"type": "string"
},
"integer_literals_only": {
"const": true,
"type": "boolean"
},
"parentheses_allowed": {
"const": true,
"type": "boolean"
},
"target": {
"enum": [
24
],
"type": "integer"
},
"unary_operators_allowed": {
"const": false,
"type": "boolean"
},
"use_each_number_exactly_once": {
"const": true,
"type": "boolean"
}
},
"required": [
"target",
"use_each_number_exactly_once",
"allowed_operators",
"parentheses_allowed",
"integer_literals_only",
"unary_operators_allowed",
"arithmetic"
],
"type": "object"
}
},
"required": [
"challenge_id",
"game",
"generation_version",
"date",
"difficulty",
"prompt",
"rules",
"attribution"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}