Polymarket｜Polygon

Base URL: http://gamma-api. (((polymarket.com))) / http://clob. (((polymarket.com))) Authentication: EIP-712 signature+CLOB API Key (L2 HMAC-SHA256) Features: CLOB limit order book, $2M March Madness market making incentive Cost:~2% taker, maker~0% Endpoint:/events/markets/orderbook/trades PredictIt | Traditional Finance Base URL: http://predictit.org/api Authentication: No API Key required (anti crawling/session handling required) Feature: Compliance Political Event Prediction Market Cost: 10% profit bonus Restrictions: Market position limit of $850 per order, account recharge limit of $5000 Endpoint:/Browse/FilteredMarkets/Market/{id}/Contracts 【 Limitless | Base Chain 】 Base URL: http://api.limitless.exchange API Explorer: http://api.limitless.exchange/api-v1 WebSocket: wss://ws.limitless.exchange Certification: X-API-Key: lmts_xxx (public endpoint not required) Features: Hourly/Daily Market, USDC Settlement (6 decimal places), Base L2 Low Gas Cost: Maker commission, liquidity mining Speed limit: Concurrent 2, call interval 300ms Endpoint:/markets/active/markets/{slug}/orderbook ━━━━━━━━━━━━━━━━━━━━━━ 3、 Suggestions for scene combination Rapid prototyping → agentmc15/polymarket API+Python Production and Trading → Official Web3 Polymarket+Self built Risk Control Cross platform arbitrage → arbibot strategy+Kalshi/CredIt dual connection Real time monitoring → 2025 Emma WebSocket+event driven Sports specific → Machina sports+Today's event API ━━━━━━━━━━━━━━━━━━━━━━ 4、 Reference link Polymarket official document: https://docs. (((polymarket.com))) Limitless API Explorer: https://api.limitless.exchange/api-v1 ClawHub Skills: https://skills.sh Ccjing market maker script: https://(GitHub)/ccjingeth/script fun marketmaker ━━━━━━━━━━━━━━━━━━━━━━ Do you have friends who are using other predictive market tools? Welcome to add in the comment section Polymarket Predicts Market DeFi Quantitative Trading API Development Base Chain