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PolyOrderbooks

Query historical Polymarket crypto and sports order books at 250 ms resolution, or replay a crypto strategy against recorded depth.

3.5/ 5Editorial rating0 user reviews
Visit official sitepolyorderbooks.com
Available on
Web, REST API, Python, MCP

Screenshots and interface

Product preview1 / 2

Historical L2 product overview and provider book example.

What is PolyOrderbooks?

PolyOrderbooks combines a crypto-and-sports history API with Backtest AI. The data product exposes books, prices and liquidity on a shared timeline; the backtesting product converts a supported crypto strategy into entry and exit rules and simulates fills by walking recorded book levels.

Who it is for

  • Researchers comparing midpoint assumptions with depth-based fills
  • Developers querying crypto and sports market history
  • Users testing explicit crypto Up/Down entry and exit rules

Features and coverage

Available on
Web, REST API, Python, MCP
Markets & venues
Polymarket
Research topics
Crypto, Sports
  • 250 ms L2

    Read both outcome books at the finest documented 250 ms resolution, with coarser query buckets also available.

  • Aligned series

    Query prices and market metrics over the same time window.

  • Resolved-market discovery

    Find archived markets and settlement outcomes.

  • Natural-language backtests

    Turn supported crypto strategy descriptions into executable rules.

  • Execution reports

    Inspect simulated slippage, partial fills, exit reasons, P&L and drawdown.

  • Exportable results

    Export trades to CSV and reports to JSON.

  • Integration choices

    Use REST, the Python SDK or the official MCP server.

Workflows with PolyOrderbooks

Test a crypto rule

Specify asset, contract duration, entry price and exits. Inspect the parsed rules, run a bounded replay and review trades and exit reasons before changing parameters.

Measure fill sensitivity

Request a historical book window, walk several order sizes and compare the resulting prices with a midpoint series.

Build an AI research client

Connect the MCP server with a data key and request a narrow market/time slice.

Pricing and total cost

All plans, including Starter, offer the provider’s finest 250 ms query resolution. Data plans cover crypto and sports; sports history is limited to the latest 30 days. Paid history and speed tiers are separate from Backtest AI.

Starter

Free

  • 3 days of history
  • 250 ms resolution
  • 60 requests/minute; 1,000/day
  • 1 AI and 3 strategy backtests

Data

$19 / $29 / $39 / $49 per month

  • 30 / 60 / 90 / 120-day windows
  • 300 requests/minute; 50,000/day at base speed
  • Sports: latest 30 days; longer windows are crypto-only

Backtest AI

$29/month standalone or +$19/month

  • 500 AI backtests/month
  • Unlimited strategy backtests
  • Crypto Up/Down replay; sports books are in data plans

Fees and usage costs

  • Fast speed adds $19/month; Heavy adds $39/month.

Access: 250 ms is the documented capture/query interval, not an independently measured end-to-end latency guarantee.

Getting started

Before you start: Sports history is limited to the most recent 30 days; longer plan windows extend crypto history.

  1. Create an account, verify email and generate an API key.
  2. Choose a market and a bounded time range.
  3. Retrieve books with the desired resolution and follow cursors.
  4. For Backtest AI, review the parsed entry and exit rules.
  5. Export a run so parameter changes can be compared.

Open documentation

Useful links

What to check

  • Sports history is limited to the most recent 30 days; longer plan windows extend crypto history.
  • Backtest AI replays crypto Up/Down strategies, not sports strategies.
  • Interval snapshots do not establish the ordering of every event within the capture interval. The provider currently documents a 250 ms capture loop.
  • Higher speed and longer history are separate plan choices.

A closer look

Ratings & reviews

Write a review
Editorial rating
3.5/ 5
0 user reviews
Polytoolhub editorial

Our take on PolyOrderbooks

Fine-grained books and separate data and backtest options make the research scope understandable. Sports retention, crypto-only AI replay and separately priced upgrades constrain some workflows.

Based on documented features, setup and access terms. How we rate

User reviews 0

The main score switches to user ratings after 5 published reviews.

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Frequently asked questions about PolyOrderbooks

Does the free tier include order books?

Yes. Starter includes L2 order books and the finest documented 250 ms query resolution. Its history and request limits remain smaller than paid data plans.

Does a 120-day plan provide 120 days of sports?

No. Sports access is limited to 30 days.

Can I inspect the rules generated from my description?

The workflow turns the description into entry and exit rules; review those before interpreting the report.

Can I export a result?

Trades can be exported as CSV and the report as JSON.