Polymarket data, cleanly delivered.
Polymarket data, cleanly delivered.
Polymarket data, cleanly delivered.
The complete Polymarket dataset — real-time prices, full L2 orderbooks, every trade since 2020, and resolution audit trails — through one API you don't have to babysit. No Polygon RPC headaches. No rate limit surprises. No missing history.
The complete Polymarket dataset — real-time prices, full L2 orderbooks, every trade since 2020, and resolution audit trails — through one API you don't have to babysit. No Polygon RPC headaches. No rate limit surprises. No missing history.
1M+
1M+
Markets indexed
1M+
1M+
Markets indexed
Continuous history
Since 2020
0
0
Continuous history
Full orderbook
Full orderbook
0
0
Full orderbook
<1s
<1s
Real-time latency
<1s
<1s
Real-time latency
What you get versus Polymarket's native API.
What you get versus Polymarket's native API.
What you get versus Polymarket's native API.
Polymarket's own API is excellent for live state. It doesn't cover history, doesn't include audit trails, and doesn't let you query alongside Kalshi or Limitless. Assymetrix does all three.
Polymarket's own API is excellent for live state. It doesn't cover history, doesn't include audit trails, and doesn't let you query alongside Kalshi or Limitless. Assymetrix does all three.
Polymarket's own API is excellent for live state. It doesn't cover history, doesn't include audit trails, and doesn't let you query alongside Kalshi or Limitless. Assymetrix does all three.
Capability
Polymarket native API
Assymetrix
Live prices and orderbook
Yes
Yes
Historical tick data since 2020
No
Full history
L2 orderbook snapshots on demand
Reconstruct yourself
Any timestamp
Resolution audit trail with disputes
Live state only
Full history
Cross-venue query (Kalshi, Limitless)
Polymarket only
Every venue, one schema
Bulk export as Parquet
Not available
Yes
Normalized schema for pipelines
Polymarket-specific
Cross-venue standard
Capability
Polymarket native API
Assymetrix
Live prices and orderbook
Yes
Yes
Historical tick data since 2020
No
Full history
L2 orderbook snapshots on demand
Reconstruct yourself
Any timestamp
Resolution audit trail with disputes
Live state only
Full history
Cross-venue query (Kalshi, Limitless)
Polymarket only
Every venue, one schema
Bulk export as Parquet
Not available
Yes
Normalized schema for pipelines
Polymarket-specific
Cross-venue standard
Fetch Polymarket data in three lines.
Fetch Polymarket data in three lines.
Fetch Polymarket data in three lines.
Same client you use for every other venue.
Same client you use for every other venue.
1import assymetrix2 3client = assymetrix.Client(api_key="YOUR_KEY")4 5# Live prices for open Polymarket markets matching "election"6markets = client.polymarket.markets.list(7 search="election",8 status="open",9 limit=50,10)11 12# Historical orderbook snapshot — any timestamp since 202013book = client.polymarket.orderbook.snapshot(14 market_id="0x1a64...",15 at="2024-11-05T20:00:00Z",16)17 18# Resolution history with full audit trail19resolution = client.polymarket.resolutions.get(20 market_id="0x1a64...",21 include_disputes=True,22)What Polymarket coverage includes.
What Polymarket coverage includes.
What Polymarket coverage includes.
Real-time market state
WebSocket streams for prices, orderbook updates, trades, and lifecycle events. Filter by category, market, or event type. Same auth as REST.
Real-time market state
WebSocket streams for prices, orderbook updates, trades, and lifecycle events. Filter by category, market, or event type. Same auth as REST.
Historical tick data
Every trade, orderbook change, and price movement since Polymarket's launch. Parquet bulk export or query on demand. Purpose-built for backtesting.
Historical tick data
Every trade, orderbook change, and price movement since Polymarket's launch. Parquet bulk export or query on demand. Purpose-built for backtesting.
L2 orderbook history
Reconstruct full book depth at any timestamp. Not aggregated candles — actual snapshot data. Test queue position, fill probability, and quote aggressiveness against what the market really showed.
L2 orderbook history
Reconstruct full book depth at any timestamp. Not aggregated candles — actual snapshot data. Test queue position, fill probability, and quote aggressiveness against what the market really showed.
Resolution audit trails
Every resolution documented — timing, source, oracle mechanics, dispute activity, and final outcome. The dataset UMA oracle disputes leave behind, structured and queryable.
Resolution audit trails
Every resolution documented — timing, source, oracle mechanics, dispute activity, and final outcome. The dataset UMA oracle disputes leave behind, structured and queryable.
Wallet-level activity
On-chain trades attributed to wallets. Query smart money positions, PnL leaderboards, and cross-venue wallet clustering.
Wallet-level activity
On-chain trades attributed to wallets. Query smart money positions, PnL leaderboards, and cross-venue wallet clustering.
Metadata and taxonomy
Categories, tags, series, and event groupings normalized across venues. Query "Bitcoin markets" or "2028 election markets" without rebuilding taxonomy per venue.
Metadata and taxonomy
Categories, tags, series, and event groupings normalized across venues. Query "Bitcoin markets" or "2028 election markets" without rebuilding taxonomy per venue.
PRICING
Pricing that scales with you.
Pricing that scales with you.
Pricing that scales with you.
Start free. Grow with usage-based tiers. Enterprise gets custom SLAs, dedicated support, and volume commitments.
Start free. Grow with usage-based tiers. Enterprise gets custom SLAs, dedicated support, and volume commitments.
Free
$0
$0
/ month
1,000 requests per day. Live prices across all venues. Real-time WebSocket (limited channels). No credit card required.
Pro
$299
$299
/ month
100k requests per day. Full orderbook depth. All WebSocket channels. Historical data access. Email support.
Enterprise
Custom
Unlimited requests. Full historical bulk export. Dedicated support. 99.9% SLA. Custom venue coverage. Intelligence layer included.
FAQ
Frequently
Frequently
Frequently
Asked Questions
Asked Questions
Asked Questions
Have questions? Our FAQ section has you covered with
quick answers to the most common inquiries.
Have questions? Our FAQ section has you covered with
quick answers to the most common inquiries.
Do I still need to use Polymarket's native API?
What's the latency compared to Polymarket's real-time feed?
How far back does history go?
Can I download raw Parquet files?
How is pricing structured for Polymarket-only usage?
Ship your first Polymarket query in a minute.
Ship your first Polymarket query in a minute.
Ship your first Polymarket query in a minute.
Free tier includes live prices across all Polymarket markets. Historical data starts on Pro.
Free tier includes live prices across all Polymarket markets. Historical data starts on Pro.