CrossFin

CrossFinDocumentation

Real-time Korean and Asian crypto market data

Quickstart
API Reference

Routing Engine

Cheapest regional-fiat→stablecoin route across 14 exchanges with 13 bridge coins

Asian Premium Index

Real-time crypto premium across Korea, Japan, Indonesia, Thailand vs global markets

MCP Integration

16 tools for any MCP client — routing, pricing, wallet management

Telegram Bot

Chat-based access to all CrossFin data via @crossfinn_bot

Core Endpoints ​

MethodEndpointDescriptionPrice
GET/api/route/statusExchange network health (live status across 14 exchanges)Free
GET/api/route/feesTrading + withdrawal fee tableFree
GET/api/arbitrage/demoTop 3 route spread decisionsFree
GET/api/premium/route/findFull optimal route analysisFree

Open beta notice: All endpoints are currently free during open beta. x402 payment enforcement is temporarily disabled and will be re-enabled later.

Base URLs ​

ResourceURL
APIhttps://crossfin.dev/api
Live demohttps://live.crossfin.dev
MCP packagecrossfin-mcp

Supported Exchanges ​

RegionExchanges
KoreaBithumb, Upbit, Coinone, GoPax
Regional FiatbitFlyer (JPY), WazirX (INR)
Asian Premiumbitbank (JPY), Indodax (IDR), Bitkub (THB)
GlobalBinance, OKX, Bybit, KuCoin
Bridge coinsBTC, ETH, XRP, SOL, DOGE, ADA, DOT, LINK, AVAX, TRX, KAIA, SUI, APT