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Agent Arcade: Trivia Answer Checker
x402
Agent Arcade: Trivia Answer Checker is a paid API for AI agents from agent-arcade.use.x402atlas.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-14).
Validates a trivia answer submission and returns a correctness verdict, score, and explanation proof
Price / call$0.005
Success—
StatusUnknown
How this service works
Trivia Daily answer check — validates one opaque choice ID and explains correct answers from the curated record.
Output
Returns a JSON object with fields: game (always 'trivia'), valid (boolean), correct (boolean), score (integer), feedback.message (human-readable result), proof.explanation (reasoning for the correct answer), and challenge_id (SHA-256 hash identifying the challenge).
Example use cases
AI agent trivia game scoring
“I just answered a trivia question about what QR stands for and selected 'Quick Response' for challenge sha256:c9365eb870ba7310a4c32503c8b72ff3c5dfebc66ab8ded6b562a6bd8a395709 — verify my answer and give me the score and an explanation.”
Trivia chatbot answer feedback
“My trivia bot needs to check if the user picked the right answer for challenge sha256:c9365eb870ba7310a4c32503c8b72ff3c5dfebc66ab8ded6b562a6bd8a395709 and return feedback with a proof of why it's correct or wrong.”
Automated reasoning benchmark validation
“Run a correctness check on challenge sha256:c9365eb870ba7310a4c32503c8b72ff3c5dfebc66ab8ded6b562a6bd8a395709 where the submitted choice was 'Quick Response', and return whether it's valid along with the proof explanation and score.”
Technical details
Endpoint
POSThttps://agent-arcade.use.x402atlas.com/trivia/checkWhen to prefer
Choose this endpoint when an AI agent or game system needs to programmatically verify a trivia answer and receive a cryptographic proof of the result, score, and explanation — particularly within the Agent Arcade x402 pay-per-call ecosystem where on-chain micropayments are acceptable.
Side effects
- Invalid or unknown challenge_id returns an error or invalid:true response
- Submitting an answer after the challenge window expires may return valid:false
- Missing X-PAYMENT header returns HTTP 402 with payment challenge details
- Malformed request body returns a 400 or validation error
- Incorrect USDC payment amount or wrong chain may cause payment rejection
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| date | string | UTC date of the referenced Trivia Daily challenge. |
| answer | object | Proposed Trivia Daily choice. |
| difficulty | string | Difficulty of the referenced Trivia Daily challenge. |
| challenge_id | string | Trivia Daily challenge_id copied from the daily envelope. |
| generation_version | string | Trivia Daily dataset-selection version copied from the daily envelope. |
Output
Schema · Response
{
"type": "json",
"example": {
"game": "trivia",
"proof": {
"explanation": "QR is an abbreviation of Quick Response."
},
"score": 100,
"valid": true,
"correct": true,
"feedback": {
"message": "selected choice is correct"
},
"challenge_id": "sha256:c9365eb870ba7310a4c32503c8b72ff3c5dfebc66ab8ded6b562a6bd8a395709"
}
}Tags
x402
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