QuizBase

Generating questions is easy. Keeping them alive is the work.

Every question is deduplicated against the rest of the pool, calibrated into five difficulty levels, attributed to the dataset it came from and versioned, so an edit six months from now does not silently change what your app served yesterday.

Three ways in

A REST API, a TypeScript SDK on npm and an MCP server, so an AI assistant can pull questions directly. Eleven open datasets underneath, English and Polish.

curl -H "X-API-Key: qb_pk_YOUR_KEY" \
  "https://quizbase.runriva.com/api/v1/questions/random?amount=5&lang=en"

import { createClient } from '@quizbase/client';

const client = createClient({ apiKey: process.env.QUIZBASE_API_KEY! });

const random = await client.questions.random({
  amount: 5,
  lang: 'en',
  difficulty: 'hard',
  quality: 'high'
});

console.log(random.data); // Question[]

{
  "mcpServers": {
    "quizbase": {
      "url": "https://quizbase.runriva.com/mcp",
      "headers": {
        "Authorization": "Bearer qb_pk_your_key_here"
      }
    }
  }
}

Measured, not promised

A load test on production recorded a 95th percentile of 101 ms at 50 requests per second, with no errors across 15,002 requests.

k6, production, 27 May 2026

Free tier without a card

500 calls a day, the full production API, no card and no trial clock. Enough to build something real and find out whether it works.