{"what":"Polymarket crypto Up/Down (BTC, ETH, SOL, XRP; 5m and 15m) for agents and trading bots: the official price to beat live, which Polymarket's public API only shows after the window closes. Paid per call over x402.","markets":[{"key":"btc-5m","asset":"BTC","timeframe":"5m","endpoint":"https://api.liquidagent.ai/v1/polymarket/btc-5m","priceUsd":0.002,"pastWindow":"https://api.liquidagent.ai/v1/polymarket/btc-5m?start=<unix start>"},{"key":"btc-15m","asset":"BTC","timeframe":"15m","endpoint":"https://api.liquidagent.ai/v1/polymarket/btc-15m","priceUsd":0.002,"pastWindow":"https://api.liquidagent.ai/v1/polymarket/btc-15m?start=<unix start>"},{"key":"eth-5m","asset":"ETH","timeframe":"5m","endpoint":"https://api.liquidagent.ai/v1/polymarket/eth-5m","priceUsd":0.002,"pastWindow":"https://api.liquidagent.ai/v1/polymarket/eth-5m?start=<unix start>"},{"key":"eth-15m","asset":"ETH","timeframe":"15m","endpoint":"https://api.liquidagent.ai/v1/polymarket/eth-15m","priceUsd":0.002,"pastWindow":"https://api.liquidagent.ai/v1/polymarket/eth-15m?start=<unix start>"},{"key":"sol-5m","asset":"SOL","timeframe":"5m","endpoint":"https://api.liquidagent.ai/v1/polymarket/sol-5m","priceUsd":0.002,"pastWindow":"https://api.liquidagent.ai/v1/polymarket/sol-5m?start=<unix start>"},{"key":"sol-15m","asset":"SOL","timeframe":"15m","endpoint":"https://api.liquidagent.ai/v1/polymarket/sol-15m","priceUsd":0.002,"pastWindow":"https://api.liquidagent.ai/v1/polymarket/sol-15m?start=<unix start>"},{"key":"xrp-5m","asset":"XRP","timeframe":"5m","endpoint":"https://api.liquidagent.ai/v1/polymarket/xrp-5m","priceUsd":0.002,"pastWindow":"https://api.liquidagent.ai/v1/polymarket/xrp-5m?start=<unix start>"},{"key":"xrp-15m","asset":"XRP","timeframe":"15m","endpoint":"https://api.liquidagent.ai/v1/polymarket/xrp-15m","priceUsd":0.002,"pastWindow":"https://api.liquidagent.ai/v1/polymarket/xrp-15m?start=<unix start>"}],"rule":"Price to beat = TWAP of Chainlink over the 60 s before the window. Settle = mean of the 60 per-second Chainlink ticks stamped end-62 s ... end-3 s. Up if settle >= price to beat.","verified":"Checked against Polymarket's official results on 2026-09-29: the price to beat matched to every decimal and the outcome matched on every resolved window tested (BTC 5m 23/23, BTC 15m 12/12, and 8/8 for each of ETH, SOL and XRP on 5m and 15m), plus a live paid call that matched the value Polymarket published after close.","pay":"x402 exact (EIP-3009), USDC on Base or Polygon. You are never charged if we cannot answer.","disclaimer":"Data, not financial advice. Polymarket may be restricted in your jurisdiction."}