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HTTPay Crypto Trivia API
x402
HTTPay Crypto Trivia API is a paid API for AI agents from httpay.xyz, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-14).
Returns a random cryptocurrency trivia question, paid per-call via x402 on Base with no API key required
Price / call$0.001
Success—
StatusUnknown
How this service works
Random crypto trivia question
Output
A JSON object containing a randomly selected crypto trivia question and its description, covering topics like blockchain history, DeFi protocols, token mechanics, or notable crypto events.
Example use cases
Example prompt
“Give me a random crypto trivia question I can use for a quiz — something fun about blockchain, Bitcoin, Ethereum, or DeFi.”
Technical details
Endpoint
POSThttps://httpay.xyz/api/crypto-triviaWhen to prefer
Use this endpoint when you need a lightweight, no-setup way to generate random cryptocurrency trivia questions for quizzes, chatbots, or educational tools, and you are comfortable paying $0.001 USDC per call via x402 on Base with no API key.
Side effects
- Payment not received or insufficient USDC balance — returns 402 Payment Required
- Network congestion on Base causing payment confirmation delay
- Empty or malformed response if the trivia pool is temporarily unavailable
Input
{
"category": "blockchain"
}Output
{
"meta": {
"x402": true,
"poweredBy": "Alfred Zhang 🫡"
},
"answer": "The smallest unit of ETH (1 ETH = 10^18 wei)",
"spacer": "\n\n\n\n\n\n\n\n\n\n",
"question": "What is a 'wei' in Ethereum?",
"difficulty": "Hard",
"answer_below": "⬇️ scroll down for answer ⬇️"
}Schema · Response
{
"type": "json",
"example": {
"description": "Random crypto trivia question"
}
}Tags
x402
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