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Actor/westerly_breaker

Prediction Market Odds API — Polymarket + Kalshi

FinancePolymarketKalshi

Search or look up Polymarket and Kalshi prediction markets and get one unified JSON schema back: prices, volume, liquidity, order books, and de-vigged fair probabilities (multiplicative/power method). No API key needed — built for research, arbitrage-scanning, and AI agents.

Publisher description, verbatim
Last 7 dayson this actor
Each one reaches followers by email the morning after.Follow this actor
Key figures30 readings
Price / 1k$0.01per 1,000 results
Users / 30d1→ 0 over 30 readings
Users, all time6↑ 2 over 30 readings
Runs / 30d20↑ 14 over 30 readings
Runs / user / mo20.0runs per monthly user
Standing
#111of 134

on Polymarket, by users in the last 30 days among actors classified to this platform.

Recorded changes

No price, README, schema or grade changes in the last 30 days · followers get the next one by email.

History

30 readings since 2026-08-27
Users / 30d30 readings
08-27→ 009-25
Users, all time30 readings
08-27↑ 209-25
Runs / 30d30 readings
08-27↑ 1409-25
Standing30 readings
08-27↑ 1609-25

Alternatives on Polymarket

The actors either side of #111 of 134, ranked by users in the last 30 days. Same platform, adjacent adoption — the comparable set.

all 134 on Polymarket →
Sort
#ActorGradePrice / 1kUsers /30dSuccessRatingAgeFresh
106
Prediction Market Movers | Polymarket & Kalshi Catalyst Feedtactful_anvil
—EVT$9.60 /1k mover-row11 total——24dfresh
107
Polymarket & Kalshi Prediction Market Scraperteodor_banea
—RES$2.00 /1kgood price12 total——28dfresh
108
Polymarket Scraper — Odds, Volume, Events & Price Historytidyfeed
—EVT$2.00 /1k market-scraped12 total——8dfresh
109
🔮 Polymarket Odds, Whale Bets & Prediction Radarunrivaled_fortress
—RES$3.00 /1khigh price12 total——5dfresh
110
Polymarket Order Book Scraper API - CLOB Bids & Asksvonsensey
—EVT$10.00 /1k market12 total——28dfresh
111
Prediction Market Odds API — Polymarket + Kalshiwesterly_breaker
—RES$0.01 /1kgood price16 total——3magingThis
112
Polymarket Scraper — Markets, Odds & Prices APIyadroo
—RES$2.00 /1kgood price11 total——14dfresh
113
Polymarket Market Monitorzinin
—EVT$3.00 /1k result-found12 total——15dfresh
114
Prediction Market Scanner — Polymarket vs Kalshi0xgollum
—RES$9.00 /1ksteep price02 total——3mfresh
115
Polymarket Scraper — Odds, Order Book & Tradesblackfalcondata
—RES$2.50 /1khigh price01 total——17dfresh
116
Kalshi x Polymarket Arbitrage Scraperblackfalcondata
—RES$2.00 /1kgood price01 total——13dfresh

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