ArbXT
Crypto Arbitrage Data including Spreads, Orders, Leased Platform for Bitcoin with future support for other currencies

Crypto cross exchange realtime spread data at 10s intervals

Free API using Point-in-Time model for Crypto Arbitrage ~20% profits

Crypto cross exchange realtime order signals at 10s intervals

Crypto cross exchange realtime spread data at 30s intervals

Crypto cross exchange realtime spread data at 60s intervals