CrossFin

CrossFinDocumentation

Route capital across Korean and global exchanges, call paid APIs over x402, and integrate with agents through ACP and MCP.

Quickstart
API Reference

Routing Engine

Cheapest KRW→USDC transfer route across 7 exchanges with 11 bridge coins

Kimchi Premium

Real-time Korean vs global price spread with AI decision layer

MCP Integration

16 tools for Claude Desktop — 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 (7/7 online)Free
GET/api/route/feesTrading + withdrawal fee tableFree
GET/api/arbitrage/demoTop 3 kimchi premium decisionsFree
GET/api/premium/route/findFull optimal route analysis$0.10

Base URLs ​

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

Supported Exchanges ​

RegionExchanges
KoreaBithumb, Upbit, Coinone, GoPax
GlobalBinance, OKX, Bybit
Bridge coinsBTC, ETH, XRP, SOL, DOGE, ADA, DOT, LINK, AVAX, TRX, KAIA