Extending the Kraken APIs with cl_ord_id client order identifier parameter.

The level3 channel is a new market data feed which provides the visibility of individual orders in the order book. The additional insight can determine queue priorities, resting times, fill probabilities and many more analytics which enable better informed trading decisions.

The websockets interface has been completely re-designed to enable simpler and faster integration with applications. The documents are more readable for both machine and human clients. Websockets v2 is hosted on our new, low-latency trading infrastructure.

Introducing our FIX 4.4 API, Kraken's latest trading interface designed specifically for institutional clients. Seamlessly integrated with our spot trading engine, FIX offers unmatched access, performance and support for both market data and trading.