ToolAssay

Trivia Daily answer check — validates one opaque choice ID and explains correct

Trivia Daily answer check — validates one opaque choice ID and explains correct answers from the curated record.

Answeringour last check, 2026-09-24
1 of 1checks answered this week
648 msmedian answer time
$0.005listed price per call
$0.005price 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://agent-arcade.use.x402atlas.com/trivia/check

CategoryEverything else
Provider hostagent-arcade.use.x402atlas.com
Networkseip155:137, eip155:42161, eip155:8453
Payment schemesexact
Self-reported calls, 30 days9 from 6 payers (the provider's figure, not ours)

Our checks, last 30 days

DayResultHTTPAskedTime
2026-09-24 valid payment request 402$0.005 648 ms

Example input (from the provider)

{
  "body": {
    "answer": {
      "choice_id": "choice_95fc0b2f4907eff7"
    },
    "challenge_id": "sha256:c9365eb870ba7310a4c32503c8b72ff3c5dfebc66ab8ded6b562a6bd8a395709",
    "date": "2026-07-01",
    "difficulty": "normal",
    "generation_version": "v1"
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
}

Promised output schema (from the provider)

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "body": {
          "additionalProperties": false,
          "description": "Trivia Daily answer-check request using the identity and one displayed choice ID.",
          "properties": {
            "answer": {
              "additionalProperties": false,
              "description": "Proposed Trivia Daily choice.",
              "properties": {
                "choice_id": {
                  "description": "One opaque choice ID displayed by Trivia Daily.",
                  "maxLength": 64,
                  "pattern": "^choice_[0-9a-f]{16}$",
                  "type": "string"
                }
              },
              "required": [
                "choice_id"
              ],
              "type": "object"
            },
            "challenge_id": {
              "description": "Trivia Daily challenge_id copied from the daily envelope.",
              "pattern": "^sha256:[0-9a-f]{64}$",
              "type": "string"
            },
            "date": {
              "description": "UTC date of the referenced Trivia Daily challenge.",
              "format": "date",
              "type": "string"
            },
            "difficulty": {
              "description": "Difficulty of the referenced Trivia Daily challenge.",
              "enum": [
                "normal"
              ],
              "type": "string"
            },
            "generation_version": {
              "description": "Trivia Daily dataset-selection version copied from the daily envelope.",
              "enum": [
                "v1"
              ],
              "type": "string"
            }
          },
          "required": [
            "challenge_id",
            "generation_version",
            "date",
            "difficulty",
            "answer"
          ],
          "type": "object"
        },
        "bodyType": {
          "enum": [
            "json",
            "form-data",
            "text"
          ],
          "type": "string"
        },
        "method": {
          "enum": [
            "POST"
          ],
          "type": "string"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method",
        "bodyType",
        "body"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "additionalProperties": false,
          "description": "Trivia Daily answer-check membership and correctness verdict.",
          "properties": {
            "challenge_id": {
              "description": "Checked Trivia Daily challenge identity.",
              "type": "string"
            },
            "correct": {
              "description": "Whether the selected Trivia Daily choice is correct.",
              "type": "boolean"
            },
            "feedback": {
              "additionalProperties": false,
              "description": "Trivia Daily choice-membership and correctness feedback.",
              "properties": {
                "message": {
                  "type": "string"
                }
              },
              "required": [
                "message"
              ],
              "type": "object"
            },
            "game": {
              "description": "Trivia Daily game identity.",
              "enum": [
                "trivia"
              ],
              "type": "string"
            },
            "proof": {
              "additionalProperties": false,
              "description": "Present only after a correct Trivia Daily answer.",
              "properties": {
                "explanation": {
                  "type": "string"
                }
              },
              "required": [
                "explanation"
              ],
              "type": "object"
            },
            "score": {
              "description": "Informational Trivia Daily score: 100 when correct, otherwise 0.",
              "type": "integer"
            },
            "valid": {
              "description": "Whether the choice ID belongs to this Trivia Daily challenge.",
              "type": "boolean"
            }
          },
          "required": [
            "challenge_id",
            "game",
            "valid",
            "correct",
            "score",
            "feedback"
          ],
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}

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