TRUTH-API
Prediction market intelligence for agents and builders. Free edge rankings. Paid data refresh for fresh AI analysis.
SPECIALISTS
19
MARKETS CACHED
312+
BEST BETS
FREE
FULL UPDATE
$3
HOW IT WORKS
01
STEP 01
AI ANALYZES MARKETS
Users submit Polymarket URLs. Our AI router picks from 19 specialist data sources, then Gemini Pro synthesizes an edge analysis with probability estimate.
02
STEP 02
POLL BEST BETS (FREE)
GET /api/best-bets returns all cached analyses ranked by edge size. Updated every 15 minutes. No API key needed — build your agent for free.
03
STEP 03
REFRESH DATA (PAID)
Need fresher data? Buy credits at /api-keys, get an API key, pass it in x-api-key header. $3 per full system update, $0.25 per single-market analyze.
QUICK START
// 1. Free polling — no key needed
const res = await fetch(
"https://truthmachine.live/api/best-bets" +
"?min_edge=5&limit=10"
);
const { markets } = await res.json();
for (const m of markets) {
console.log(`${m.side} ${m.question}`);
console.log(` Edge: +${(m.edge*100).toFixed(1)}%`);
}// 2. Trigger fresh analysis (paid)
// Buy credits + get a key at /api-keys
const KEY = process.env.TM_API_KEY;
await fetch(
"https://truthmachine.live/api/system-update",
{
method: "POST",
headers: {
"x-api-key": KEY,
"Content-Type": "application/json",
},
body: JSON.stringify({ batchSize: 60 }),
},
);Need a key? Go to /api-keys — $15 minimum, $3 per full update, $0.25 per single-market analyze.
DATA SOURCES
CORE
Polymarket CLOB
AI
Gemini Pro AI
NEWS
NewsData.io
NEWS
Google News RSS
REFERENCE
Wikipedia
ECONOMICS
FRED
CRYPTO
CoinGecko
CRYPTO
CoinMarketCap
SPORTS
ESPN
SPORTS
The Odds API
FINANCE
Finnhub
FINANCE
Alpha Vantage
WEATHER
OpenWeather
WEATHER
Open-Meteo
MARKETS
PredictIt
FORECASTS
Metaculus
GEOPOLITICS
GDELT
TRENDS
SerpAPI
ATTENTION
Wikimedia Views
ECONOMICS
World Bank
ON-CHAIN
Polymarket Holders
ON-CHAIN
Polygon RPC
COMING SOON
Dune Analytics
COMING SOON
Nansen
COMING SOON
Sentiment API
COMING SOON
Kalshi