# 2s Predict API

**Canonical:** https://apis.io/apis/2s-io/2s-io-predict-api/  
**Provider:** 2s — https://apis.io/providers/2s-io/  
**Base URL:** https://2s.io/mcp  
**Documentation:** https://2s.io/discover

2s Predict API is one of 114 APIs that [2s](https://apis.io/providers/2s-io/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Predict. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

The predict API from 2s — 23 operation(s) for predict.

## Operations (23)

| Method | Path | Summary |
|---|---|---|
| GET | `/api/predict/activity` | A wallet's Polymarket on-chain activity feed: trades |
| GET | `/api/predict/crypto-updown` | Polymarket crypto up-or-down markets - the recurring 'Will |
| GET | `/api/predict/events` | Browse Polymarket events (an event groups related markets |
| GET | `/api/predict/holders` | Top holders of a Polymarket market, grouped by outcome |
| GET | `/api/predict/kalshi-events` | Browse Kalshi events (an event groups related markets, e.g |
| GET | `/api/predict/kalshi-market` | A single Kalshi market by ticker |
| GET | `/api/predict/kalshi-markets` | Browse Kalshi regulated prediction markets |
| GET | `/api/predict/kalshi-orderbook` | Order book for a Kalshi market by ticker: resting yes and |
| GET | `/api/predict/kalshi-trades` | Recent trades on Kalshi, optionally filtered to one market |
| GET | `/api/predict/leaderboard` | Polymarket smart-wallet leaderboard: top traders ranked by |
| GET | `/api/predict/limitless-markets` | Active prediction markets on Limitless Exchange (on-chain |
| GET | `/api/predict/market` | A single Polymarket market by conditionId, slug, or id |
| GET | `/api/predict/markets` | Browse Polymarket prediction markets |
| GET | `/api/predict/matched-pairs` | Cross-venue equivalent-market pairs for arbitrage / |
| GET | `/api/predict/orderbook` | Full CLOB order book (bids + asks with price and size) for |
| GET | `/api/predict/positions` | A wallet's open Polymarket positions |
| GET | `/api/predict/price` | Live best bid, best ask, and midpoint for a Polymarket |
| GET | `/api/predict/price-history` | Time-series price (implied-probability) history for a |
| GET | `/api/predict/search` | Cross-venue prediction-market keyword search across |
| GET | `/api/predict/sports` | Sports prediction markets across Polymarket and Kalshi in |
| GET | `/api/predict/trades` | Recent Polymarket trades |
| GET | `/api/predict/wallet` | A Polymarket trader's portfolio by wallet address: total |
| GET | `/api/predict/whales` | Polymarket whale radar: the largest recent trades by USD |

## Machine-readable artifacts (4)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/2s-io/refs/heads/main/openapi/2s-io-predict-api-openapi.yml
- **Documentation** — https://2s.io/llms.txt
- **APIReference** — https://2s.io/discover
- **Webhooks** — https://raw.githubusercontent.com/api-evangelist/2s-io/refs/heads/main/asyncapi/2s-io-watchers-webhooks.yml

## Other 2s APIs (12)

- [2s MCP Server](https://apis.io/apis/2s-io/2s-mcp-server/)
- [2s A2A Agent](https://apis.io/apis/2s-io/2s-a2a-agent/)
- [2s Agent API](https://apis.io/apis/2s-io/2s-io-agent-api/)
- [2s Agriculture API](https://apis.io/apis/2s-io/2s-io-agriculture-api/)
- [2s AI API](https://apis.io/apis/2s-io/2s-io-ai-api/)
- [2s Airport API](https://apis.io/apis/2s-io/2s-io-airport-api/)
- [2s Aviation API](https://apis.io/apis/2s-io/2s-io-aviation-api/)
- [2s Bank API](https://apis.io/apis/2s-io/2s-io-bank-api/)
- [2s Barcode API](https://apis.io/apis/2s-io/2s-io-barcode-api/)
- [2s Batch API](https://apis.io/apis/2s-io/2s-io-batch-api/)
- [2s Bio API](https://apis.io/apis/2s-io/2s-io-bio-api/)
- [2s Bls API](https://apis.io/apis/2s-io/2s-io-bls-api/)

## Tags

Predict

---

Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/2s-io/2s-io-predict-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/2s-io/.