# PolyOrderbooks

> Historical Polymarket order books, prices, and liquidity for crypto markets.
> Product site: https://polyorderbooks.com
> API: https://api.polyorderbooks.com
> Developer docs: https://docs.polyorderbooks.com
> Dashboard: https://polyorderbooks.com/dashboard

## Product

- [Home](https://polyorderbooks.com/): Historical L2 order book API for Polymarket crypto markets
- [Product overview](https://polyorderbooks.com/features): Discovery, prices, metrics, and order book replay
- [Pricing](https://polyorderbooks.com/pricing): Starter (free), Pro, Scale, Enterprise
- [FAQ](https://polyorderbooks.com/faq): Common questions about data, access, and plans

## Developer documentation

- [Docs home](https://docs.polyorderbooks.com/): Overview and design principles
- [Quickstart](https://docs.polyorderbooks.com/quickstart): Account, API key, first query
- [Authentication](https://docs.polyorderbooks.com/authentication): API keys and headers
- [Historical overview](https://docs.polyorderbooks.com/historical/overview): Prices, metrics, books
- [OpenAPI spec](https://docs.polyorderbooks.com/openapi.json): Machine-readable API definition

## Key facts

- Independent product; not affiliated with Polymarket
- Read paths query our archive only (no live Polymarket calls on API reads)
- Crypto market coverage today
- 1-second capture; plan-dependent query resolution down to 1s or 60s
- Contact: contact@polyorderbooks.com