# Probalytics

> Probalytics aggregates, normalizes, and streams data from Polymarket, Kalshi, PredictIt, and more — so you can build trading bots, dashboards, and research tools without the infrastructure headache.

## Docs

- [List fills](https://docs.probalytics.io/api-reference/fills/list-fills.md): Returns a paginated list of trade fills (executions) from Kalshi and Polymarket.
- [List markets](https://docs.probalytics.io/api-reference/markets/list-markets.md): Returns a paginated list of prediction markets from Kalshi and Polymarket.
- [Download orderbook snapshots](https://docs.probalytics.io/api-reference/orderbook-snapshots/download-orderbook-snapshots.md): Returns a Parquet file containing orderbook snapshots for a single market within the specified time range. Snapshots are interpolated to 1-millisecond resolution using last-observation-carried-forward (LOCF).
- [Error Codes](https://docs.probalytics.io/docs/api-reference/errors.md): API error responses and handling
- [File Downloads](https://docs.probalytics.io/docs/file-downloads/overview.md): Download bulk prediction market data as Parquet files
- [Quickstart](https://docs.probalytics.io/docs/quickstart.md): Get started with Probalytics in 2 minutes
- [Common Queries](https://docs.probalytics.io/docs/sql-guide/common-queries.md): Copy-paste SQL query templates for prediction market analysis
- [SQL Guide](https://docs.probalytics.io/docs/sql-guide/overview.md): Query Probalytics data directly with SQL
- [Tables & Schemas](https://docs.probalytics.io/docs/sql-guide/tables.md): ClickHouse table schemas and columns
- [Tips & Best Practices](https://docs.probalytics.io/docs/sql-guide/tips.md): Performance optimization for Probalytics queries
- [Support](https://docs.probalytics.io/docs/support.md): Get help and contact the team
- [Troubleshooting](https://docs.probalytics.io/docs/troubleshooting.md): Common issues and solutions
- [Introduction](https://docs.probalytics.io/introduction.md): Unified prediction market data platform

## OpenAPI Specs

- [openapi](https://docs.probalytics.io/openapi.yaml)