> ## Documentation Index
> Fetch the complete documentation index at: https://docs.polyrouter.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Changelog

> API updates and new features

# Changelog

## v2.0.0 - API Revamp

**Released:** January 6, 2026

### Breaking Changes

* **New API URL**: The API has moved to `https://api-v2.polyrouter.io`
* Please update your integrations to use the new base URL

### What's New

We've completely revamped the API infrastructure for better reliability and performance. This release includes improved data aggregation across all supported platforms and various bug fixes.

***

## v0.4.0 - Increased Markets Limit

**Released:** December 9, 2025

### Improvements

* **Higher Request Limits**: Increased the maximum number of markets that can be fetched in a single request from 100 to 250
* **Parallel Fetching for Limitless**: Implemented parallel fetching of up to 10 pages (25/page) for improved throughput

### Updated Endpoints

* **`GET /markets`**: Max limit increased from 25 to 250

### Breaking Changes

* None - All changes are backward compatible
* Requests with higher limits will now return more data

***

## v0.3.0 - Profiles, Trades & Platform Improvements

**Released:** November 5, 2025

### New Features

* **Profile Endpoints**: Access user profile information and trading metrics
  * **`GET /profile/info`**: Retrieve user profile data from Kalshi and Polymarket
  * **`GET /profile/trades`**: Get user trade history with pagination support
* **Historical Trades Endpoint**: Added **`GET /trades`** to fetch historical trade data for Kalshi and Polymarket markets
* **Changelog Page**: Added a changelog page to track all API updates

### Improvements

* **Pagination Fixed**: Standardized pagination across all endpoints with consistent cursor-based navigation
* **Kalshi Market Filtering**: Automatically filter out MVE markets from Kalshi results
* **Volume & Liquidity Data**: Restored volume and liquidity information for Kalshi markets
* **Request Limits**: Updated maximum limit to 25 items per request for markets, series, and events endpoints for better performance

### Updated Endpoints

* **`GET /markets`**: Max limit set to 25, improved Kalshi data quality
* **`GET /events`**: Max limit set to 25, consistent pagination
* **`GET /series`**: Max limit set to 25, consistent pagination
* **`GET /trades`**: New endpoint for historical trade data (Kalshi & Polymarket)

### Breaking Changes

* Maximum limit reduced from 100 to 25 for `/markets`, `/events`, and `/series` endpoints
* Requests exceeding limit=25 will be capped at 25. This is a momentary change to make performance consistent.

***

## v0.2.0 - Multi-League Sports Support

**Released:** October 28, 2025

### New Features

* **Multi-League Games Support**: Extended sports endpoints to support NBA, NHL, and MLB in addition to NFL
* **Enhanced Game ID Format**: New format `{AwayTeam}v{HomeTeam}{YYYYMMDD}@{LEAGUE}` (e.g., `PHIvWAS20251028@NBA`)
* **Kalshi Spreads & Totals**: Added support for moneyline, spread, and total markets on Kalshi platform
* **Cross-League Game Discovery**: List games across all 4 major US professional sports leagues

### Updated Endpoints

* **`GET /league-info`**: NBA, NHL, and MLB now show operational status with games support
* **`GET /list-games`**: Added support for `?league=nba|nhl|mlb` parameters
* **`GET /games/{game_id}`**: Now accepts game IDs with league suffix and supports all 4 leagues

### Breaking Changes

* None - All changes are backward compatible
* Old game IDs without league suffix continue to work

***

## v0.1.0 - Beta Launch

**Released:** October 21, 2025

### Initial Release

* **Core API**: Basic prediction market data aggregation across multiple platforms
* **Sports Betting**: NFL games support with moneyline markets
* **Platform Support**: Polymarket, Kalshi, ProphetX, Novig, and SX.bet integration
* **Real-time Data**: Live market prices and trading data
* **Authentication**: API key-based access control

### Available Endpoints

* **`GET /platforms`**: Platform information and health status
* **`GET /league-info`**: NFL league and team information
* **`GET /list-games`**: Available NFL games directory
* **`GET /games/{game_id}`**: NFL game markets and odds
* **`GET /list-awards`**: Available sports awards
* **`GET /awards/{award_id}`**: Award odds and markets
* **`GET /list-futures`**: Available futures markets
* **`GET /futures/{future_id}`**: Futures odds and markets
* **`GET /events`**: Real-time events across platforms
* **`GET /markets`**: Real-time markets across platforms
* **`GET /series`**: Real-time series across platforms
* **`GET /price-history`**: Historical price data