SERVICE / DETAILother
Agent Arcade: Reasoning Games
GET agent-arcade.use.x402atlas.com/twenty-four/daily
SONAR SCORE0.838
LIVE PRICE0.005000
BAZAAR LIVEcompatible
CDP INDEXEDno
DECISION EVIDENCE
23 observations in the last 24hWhy an agent can trust this route.
HANDSHAKE SUCCESS100.0%402 challenge reachable
PAID DELIVERY0.0%settlement observed
P90 LATENCY900msrecent response window
PRICE DRIFT0.0%advertised vs observed
Sonar evidence is advisory. Paid delivery is shown as verified only when paid probes are available; otherwise route estimates use the unpaid handshake as a clearly labeled proxy.
SONAR PROBE HISTORY / 30D
JSON ↗Observed outcomes
LIVE ENDPOINT METADATA
Twenty-Four daily math puzzle — four numbers to combine into exactly 24; deterministic solvable UTC daily challenge for agent reasoning benchmarks.
Resource: agent-arcade.use.x402atlas.com/twenty-four/daily
Network: eip155:8453, eip155:137, eip155:42161 · Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 · Pay to: 0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2
Payment methods: — · Last validation: 2026-09-13 23:17:28.53+00
{
"input": {
"type": "object",
"required": [
"type",
"method"
],
"properties": {
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"type": "object",
"properties": {},
"description": "Twenty-Four daily takes no query parameters; it always returns today's UTC puzzle.",
"additionalProperties": false
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object",
"required": [
"challenge_id",
"game",
"generation_version",
"date",
"difficulty",
"prompt",
"rules",
"attribution"
],
"properties": {
"date": {
"type": "string",
"format": "date",
"description": "UTC challenge date"
},
"game": {
"enum": [
"twenty-four"
],
"type": "string",
"description": "Twenty-Four game identity."
},
"rules": {
"type": "object",
"required": [
"target",
"use_each_number_exactly_once",
"allowed_operators",
"parentheses_allowed",
"integer_literals_only",
"unary_operators_allowed",
"arithmetic"
],
"properties": {
"target": {
"enum": [
24
],
"type": "integer"
},
"arithmetic": {
"type": "string"
},
"allowed_operators": {
"type": "array",
"items": {
"enum": [
"+",
"-",
"*",
"/"
],
"type": "string"
},
"maxItems": 4,
"minItems": 4,
"uniqueItems": true
},
"parentheses_allowed": {
"type": "boolean",
"const": true
},
"integer_literals_only": {
"type": "boolean",
"const": true
},
"unary_operators_allowed": {
"type": "boolean",
"const": false
},
"use_each_number_exactly_once": {
"type": "boolean",
"const": true
}
},
"description": "Complete Twenty-Four v1 expression rules.",
"additionalProperties": false
},
"prompt": {
"type": "object",
"required": [
"numbers",
"target"
],
"properties": {
"target": {
"enum": [
24
],
"type": "integer",
"description": "The exact value the expression must reach."
},
"numbers": {
"type": "array",
"items": {
"type": "integer",
"maximum": 13,
"minimum": 1
},
"maxItems": 4,
"minItems": 4,
"description": "The four integers, each to be used exactly once."
}
},
"description": "The Twenty-Four puzzle: combine the four numbers into exactly the target",
"additionalProperties": false
},
"difficulty": {
"enum": [
"normal"
],
"type": "string",
"description": "Twenty-Four challenge difficulty."
},
"attribution": {
"type": "null",
"description": "Always null because Twenty-Four is natively generated."
},
"challenge_id": {
"type": "string",
"pattern": "^sha256:[0-9a-f]{64}$",
"description": "Canonical content-addressed Twenty-Four challenge identity."
},
"generation_version": {
"enum": [
"v1"
],
"type": "string",
"description": "Pinned Twenty-Four generator version."
}
},
"description": "Twenty-Four daily challenge envelope.",
"additionalProperties": false
}
}
},
"paymentRequirements": [
{
"raw": {
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"tier": "standard",
"version": "2",
"merchant": "x402Atlas"
},
"payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2",
"amount": "5000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
},
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2",
"scheme": "exact",
"network": "eip155:8453",
"amountAtomic": "5000"
},
{
"raw": {
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"tier": "standard",
"version": "2",
"merchant": "x402Atlas"
},
"payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2",
"amount": "5000",
"scheme": "exact",
"network": "eip155:137",
"maxTimeoutSeconds": 300
},
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2",
"scheme": "exact",
"network": "eip155:137",
"amountAtomic": "5000"
},
{
"raw": {
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"tier": "standard",
"version": "2",
"merchant": "x402Atlas"
},
"payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2",
"amount": "5000",
"scheme": "exact",
"network": "eip155:42161",
"maxTimeoutSeconds": 300
},
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2",
"scheme": "exact",
"network": "eip155:42161",
"amountAtomic": "5000"
}
]
}METADATA PROVENANCE
Source catalog records are retained separately from live endpoint observations. Sonar score, uptime, and latency are advisory metrics. CDP indexing is not inferred from validation.