API & Developers

Polymarket API Orderbook Docs for Historical Depth

Developer notes for Polymarket API orderbook docs, Polymarket API orderbook workflows, and historical order book access through PolyHistorical.

Searches for Polymarket API orderbook docs, Polymarket API orderbook docs, and Polymarket orderbook API docs usually come from developers trying to decide whether live Polymarket APIs can support historical backtests. PolyHistorical is built for the historical side of that workflow.

Polymarket API vs PolyHistorical API

The live Polymarket API is useful for current markets. PolyHistorical adds archived order book snapshots, resolved market metadata, and backtesting-friendly pagination. This also helps users searching for a Polymarket US API understand that PolyHistorical is an independent market data API, not an order routing system.

Historical Order Book Example

GET /v1/markets?coin=BTC&market_type=5m
GET /v1/markets/{slug}/snapshots?include_orderbook=true

What the Docs Cover

  • Authentication with an API key
  • Market listing and filtering
  • Snapshot pagination
  • Order book fields for bids and asks
  • Backtesting examples using historical depth

Related Resources

Core Polymarket Data Resources

Polymarket order book API Order book endpoints for Polymarket market data workflows. Polymarket historical data API API access for historical Polymarket market and order book data. Polymarket historical order book data Full-depth bid and ask snapshots for historical Polymarket markets. Free Polymarket data starter kit Download sample CSV, JSON, and Python files for Polymarket order book workflows. Polymarket historical data for backtesting Backtesting-ready historical data for prediction market strategies. Polymarket historical dataset Dataset options for historical Polymarket research and downloads.