# BPScan > BPScan (bpscan.com) shows the live all-in cost of a perpetual futures trade — taker fees (open+close) > + slippage computed by walking full order books + funding over the holding period — across 29 exchanges: > DEX (Hyperliquid, Lighter, dYdX, Aster, edgeX, GRVT, Paradex, ApeX, Pacifica, Phoenix, Ondo Perps, Nado, > Hibachi, Extended, Ostium, Variational) and CEX (Binance, Bybit, OKX, Bitget, Gate, MEXC, KuCoin, HTX, > Kraken, Deribit, BingX, BitMEX, Backpack). Includes RWA perps (stocks, indices, gold, forex). > No wallet, no sign-up. Free. Key facts: - The same trade can cost 10-24x more on the wrong venue. - Real cost = fees + slippage + funding, not just the advertised fee. - Live order books via WebSocket feeds where available; oracle/RFQ venues marked as indicative. - Personal verdict: set "my venue" and see exactly how much you overpay. - Telegram bot: https://t.me/bpscanbot (inline: type @bpscanbot BTC 10k in any chat) Pages: - /fees/{venue}: per-venue fee breakdown and live rank (e.g. /fees/hyperliquid) - /compare/{a}-vs-{b}: head-to-head (e.g. /compare/hyperliquid-vs-lighter) - /perps/{token}: cheapest venue for a token (e.g. /perps/BTC) API (free, no key): GET https://bpscan.com/api/quote?token=BTC&side=long&size=10000&hours=8 Response: { rows: [{ name, totalUsd, totalBps, takerBps, makerBps, slipOpenBps, slipCloseBps, fundingBps, mid }], failed: [] } Methodology: https://bpscan.com/methodology Last updated: 2026-08-14 Known limitations: base-tier fees (personal VIP/referral tiers can be lower); funding projected from the current rate (shown as a range); REST book depth capped on some venues (flagged); oracle/RFQ venues indicative.