Polymarket historical price & resolution data — without scraping.

Clean, normalized REST API for traders and researchers. Price snapshots every 5 minutes. Resolution labels for backtesting.

✅ HTTPS + API key auth ✅ CSV sample before you pay ✅ Cancel anytime (Stripe)

Get API Key — $49/mo Download Free Sample

You'll receive your API key by email after checkout.

What You Get

📊

Price Snapshots

YES/NO prices captured every 5 minutes (timestamped). Volume and liquidity included.

✅

Resolution Labels

Outcome data for resolved markets. Essential for backtesting and model training.

🔌

Simple REST API

JSON endpoints. API key auth. No scraping headaches. Start in 5 minutes.

Simple API

# Get historical prices for a market

curl -H "X-API-Key: YOUR_KEY" \

https://data.misprice.app/prices/0x1234...?days=7

# Response

{
  "condition_id": "0x1234...",
  "prices": [
    {"timestamp": "2026-01-16T12:00:00Z", "yes_price": 0.65, "no_price": 0.35},
    {"timestamp": "2026-01-16T11:55:00Z", "yes_price": 0.64, "no_price": 0.36},
    ...
  ],
  "count": 2016
}

Pricing

Dev Tier

$49/mo

✓ 10,000 API calls/month
✓ Last 7 days via API
✓ All markets & resolutions
✓ Email support

Get Started

Need more history? Contact founder@misprice.app for Pro tier.

Data collection started January 15, 2026. API returns last 7 days. Full history exports available on Pro tier.

FAQ

How fresh is the data?

Price snapshots are collected every 5 minutes. Check /health for the last collection time.

What markets are covered?

All active Polymarket markets. We track the top 100 by volume daily.

Do you have resolution/outcome data?

Yes. The /resolutions endpoint returns all resolved markets with YES/NO outcomes for backtesting.