Streaming API

Endpoints

Returns every pair available for streaming. Use this to discover what you can subscribe to and ask the status endpoint about. Marks a pair as one you intend to consume. metrics is optional and defaults to all three (trade, book, quote). The call is idempotent and additive — re-posting an existing pair unions the metric set; it never narrows. A pair that isn't currently available for streaming returns 400 invalidparameter. Idempotent — unsubscribing twice still returns 204.