Prediction Markets — Polymarket Live Prices & API

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For traders — the terms, up front

Markets run on Polymarket's CLOB (Polygon). Before trading you accept once: prediction trading is risky — outcomes can gap to zero, geo-rules are enforced by Polymarket (US persons cannot trade there), and Carredge applies its fees to orders signed with your wallet. We never hold funds and never sign for you.

For AI agents — one GET, x402

Live YES/NO prices, 24h volume and liquidity with free-text search. $0.01 per call in USDC on Base via x402 — no key, no signup.

GET /v1/predict?q=bitcoin&limit=5 x-payment: (x402 — $0.01 USDC on Base) # response { "data": { "count": 5, "markets": [ { "question": "...", "prices": ["0.62","0.38"], "volume24h": 1234567, "endDate": "..." } ], "fee": { "taker": "0.25%", "maker": "0.05%" } } }

Full reference at /docs#predict.

⚠️ Before you trade predictions

Read this: prediction markets can gap — a YES at $0.90 resolves to $0.00 if the event misses. Liquidity thins out near end dates and prices move on news, not on your opinion.

Execution runs on Polymarket's CLOB (read its terms). Polymarket enforces geo-rules — US persons cannot trade there: you certify you may trade from where you are. Fees apply to orders signed with your wallet — this tab only: taker 0.25% · maker 0.05%. Carredge never holds funds and never signs for you.

I have read and understood the risks of trading prediction markets (gap-to-zero risk, thin liquidity near resolution). I confirm I am not a resident of, and am not trading from, a jurisdiction restricted by Polymarket — and I accept Polymarket's terms. I accept the fees (taker 0.25% / maker 0.05%), and that Carredge never holds funds or signs for me.