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Last updated: March 2026

Polymarket Data APIs

The Polymarket Data API provides programmatic access to user portfolios, trade history, positions, and profit/loss data. These tools and SDKs wrap the Data API to make it easier to build dashboards, analytics platforms, and personal portfolio trackers. If you need to pull your own activity or aggregate trader data, this is your starting point.

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Related Pages

Data API GuideSDKs & APIsBest Polymarket APIs & SDKs (2026)Analytics Tools

Frequently Asked Questions

What data can I access from the Polymarket Data API?▼
The Data API provides trade history, open positions, portfolio valuations, realized and unrealized PnL, and activity by wallet address. It does not require authentication for public wallet lookups.
Do I need an API key to use Polymarket Data APIs?▼
Most Polymarket APIs are public and do not require an API key. Rate limits may apply for high-frequency requests. Check the official documentation for current limits.
What is the difference between the Data API and the CLOB API?▼
The CLOB API handles order placement and real-time orderbook data. The Data API focuses on historical trade data, positions, and portfolio information. For building bots, you need both; for analytics, the Data API is usually sufficient.
Can I access data for any wallet address?▼
Yes. Polymarket trade data is public on-chain. The Data API lets you query any wallet address for its trade history and positions without needing authentication.