Surf

Surf Prediction Market API

Track prediction markets on Polymarket and Kalshi. Browse events and markets, view live prices and odds, analyze trading volume and open interest history, inspect individual trades, and discover top-ranked markets by activity.

Documentation GitHub OpenAPI

Operations 23

GET /gateway/v1/prediction-market/analytics Prediction Market Analytics #

GET /gateway/v1/prediction-market/correlations Market Correlations #

GET /gateway/v1/prediction-market/kalshi/events Kalshi Events #

GET /gateway/v1/prediction-market/kalshi/markets Kalshi Markets #

GET /gateway/v1/prediction-market/kalshi/open-interest Kalshi Open Interest History #

GET /gateway/v1/prediction-market/kalshi/orderbooks Kalshi Orderbook History #

GET /gateway/v1/prediction-market/kalshi/prices Kalshi Price History #

GET /gateway/v1/prediction-market/kalshi/trades Kalshi Trades #

GET /gateway/v1/prediction-market/kalshi/volumes Kalshi Volume History #

GET /gateway/v1/prediction-market/matching/daily Cross-Platform Daily Comparison (Polymarket <> Kalshi) #

GET /gateway/v1/prediction-market/matching/pairs Cross-Platform Prediction Market Matcher (Polymarket <> Kalshi) #

GET /gateway/v1/prediction-market/polymarket/events Polymarket Events #

GET /gateway/v1/prediction-market/polymarket/leaderboard Polymarket Leaderboard #

GET /gateway/v1/prediction-market/polymarket/markets Polymarket Markets #

GET /gateway/v1/prediction-market/polymarket/open-interest Polymarket Open Interest History #

GET /gateway/v1/prediction-market/polymarket/orderbooks Polymarket Orderbook History #

GET /gateway/v1/prediction-market/polymarket/positions Polymarket Wallet Positions #

GET /gateway/v1/prediction-market/polymarket/price-ohlcv/{condition_id} Polymarket OHLCV Candlesticks #

GET /gateway/v1/prediction-market/polymarket/prices Polymarket Price History #

GET /gateway/v1/prediction-market/polymarket/smart-money Polymarket Smart Money #

GET /gateway/v1/prediction-market/polymarket/trades Polymarket Trades #

GET /gateway/v1/prediction-market/polymarket/volume-split/{condition_id} Polymarket Volume Split (YES/NO) #

GET /gateway/v1/prediction-market/polymarket/volumes Polymarket Volume History #

Documentation

📖

Documentation

https://agents.asksurf.ai/docs/data-api/overview

Specifications

⚙

OpenAPI

https://raw.githubusercontent.com/api-evangelist/surf/refs/heads/main/openapi/surf-prediction-market-api-openapi.yml

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OpenAPI Specification

openapi: 3.2.0
info:
  contact:
    email: backend@cybertinolab.com
    name: Cyber team
  description: Surf data API gateway providing typed endpoints for crypto market data, project analytics, social signals, on-chain queries, and more.
  title: Hermod Prediction Market API
  version: sha-80d3407
servers:
- url: /
tags:


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# Full source: https://raw.githubusercontent.com/api-evangelist/surf/refs/heads/main/openapi/surf-prediction-market-api-openapi.yml