The fastest API for Polymarket.
The official Polymarket APIs leave you 10 to 60 seconds behind the action. Struct is built for traders, bots, and analysts who need data the moment it happens.
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Instant propagation
Data is available the moment it lands on-chain. Not after a cache refresh cycle. Not after a polling interval. Instantly.
Rich data
Deep coverage across trades, positions, markets, and more. Structured and enriched, not just raw logs.
In-house indexing
All data is indexed in-house via our own indexing pipeline. Not proxied through Polymarket's API.
All endpoints to build your product
Plug and play endpoints for rich data on everything Polymarket.
Trades
Fetch the full history of trades for any market, trader with extensive filtering.
- Filter by condition IDs, trader, or trade_types
- Covers OrderFilled, Redemption, Merge, Split, and more
- Cursor-based pagination via pagination_key
Markets & Events
Find any market or event by name, slug, or ID or find all markets or events by tag or category.
- Lookup by condition ID, slug, or event identifier
- Filter events by tag, category, series, or status
- Event responses include every child market outcome
Traders & Positions
Fetch the full history of trades for any market, trader with extensive filtering.
- Single-address and batch profile lookups
- Global, market, event, and outcome-level PnL
- Leaderboard by timeframe, sort metric, and category
Order Books
Historical or real-time order book data for all markets or outcomes.
- Current book by position_id or aggregated by market
- Historical order-book snapshots
- Spread history for liquidity analysis
Charting
Line charts, candlestick charts, and volume bars for any market or outcome.
- OHLCV candlesticks from 1 minute to 1 day
- Per-market and per-position candle endpoints
- Volume series for markets, events, positions, and traders
Resolution & Oracle Events
Oracle events and resolution status for events or markets. Indexed instantly.
- Full UMA lifecycle: Proposal, Dispute, Settled, Resolution
- Admin states: Reset, Flag, Pause, ManualResolution
- Neg-risk outcome reporting included
Analytics
Analytics for traders, tags, markets, and global activity.
- Global metrics: volume, open interest, active traders
- Breakdowns by tag, market, and event
- Trader-level PnL, volume, and scoring analytics
How Struct stacks up against the competition
Compare real performance metrics and data coverage across Polymarket data providers.
| Features | Polymarket | Competitor 1 | Competitor 2 | |
|---|---|---|---|---|
Resolution Latency: Time between market resolution on-chain and data availability in APIs. | Instant | ~2min | ~2min | ~2min |
PnL Latency: Time between order placement and profit/loss calculation. | Instant | ~10s cache | N/A | 60m refresh |
Positions Latency: Time between position creation/updates and data availability in APIs. | Instant | ~10s cache | ~10s | ~1s |
PnL Richness: Amount of PnL data available for each account. | Full | Limited | N/A | Full |
PnL History: Live position and PnL data for all token holders. | All-time | All-time | N/A | <30d |
Price Metrics: Amount of price metric timeframes and types available. E.g. 1m, 24h, 7d for markets, events, positions. | 27 | 10 | 4 | 4 |
Websockets: Ability to stream data in real-time using WebSockets. | ||||
Webhooks: Ability to receive data updates via webhooks. | ||||
Managed Backfill: Ability to backfill historical & realtime data into your own database. | ||||
Rate Limits: Maximum number of API requests allowed per second. | No limit | 20–400/sec1 | No limit | No limit |
AI Chat Agents: Built-in AI chat agents for market research, analysis, and insider detection. | ||||
Automations: Event-triggered workflows with AI processing, delivered to Discord, Telegram, or webhooks. | ||||
Multiple Venues: Ability to access data from multiple prediction markets. | Roadmap |