PerpFinder API

Free, keyless, CORS-open perpetual-futures market data — volume, open interest, funding rates, fees and liquidations across 40+ exchanges. Fetch it from any site, server or browser. No sign-up. Last reviewed 2026-07-10.

Quick start

// Free, keyless, CORS-open — call it from any site, server or browser
const res = await fetch('https://perpfinder.com/api/data/funding-rates')
const { rows } = await res.json()
// rows = live funding rates, asset × exchange

Please keep a “Data by PerpFinder” credit linking to perpfinder.com when you republish. The data is free; the attribution funds it.

Market-data endpoints

CORS-open and CDN-cached. Full machine-readable list: /llms-full.txt.

GET/api/data/perps

Perp DEX volume overview (24h/7d/30d, change %, per protocol).

GET/api/data/perps-chart?days=90

Aggregate daily perp-volume time series.

GET/api/data/open-interest

Open interest per exchange (CEX+DEX) + aggregate total.

GET/api/data/oi-long-short

DEX long vs short open-interest split per protocol.

GET/api/data/funding-rates

Live funding-rate matrix: asset × exchange.

GET/api/data/fees

Protocol fees (DEX, 24h/7d/30d per protocol).

GET/api/data/liquidations

Liquidations 24h/4h/1h, long vs short split.

GET/api/data/rwa-markets

RWA perp markets: stocks / forex / commodities across venues.

GET/api/data/premium

Perp premium / basis vs spot per venue.

Notes

Methodology. Every metric is defined on /data-definitions.
Freshness. Responses carry an updatedAt. Cache your own calls a few seconds to be kind.
Coverage. 40+ perp venues (CEX+DEX).