Quickstart

Start in under 2 minutes with free endpoints, then move to paid x402 routes.

1) Check health

curl https://crossfin.dev/api/health

2) Explore exchange network

curl https://crossfin.dev/api/route/exchanges
curl https://crossfin.dev/api/route/status
curl "https://crossfin.dev/api/route/fees?coin=XRP"

3) Free arbitrage preview

curl https://crossfin.dev/api/arbitrage/demo

4) Paid optimal route (x402)

GET /api/premium/route/find?from=bithumb:KRW&to=binance:USDC&amount=5000000&strategy=cheapest

Use an x402-capable client with Base USDC settlement.