http://3xplor3rzajysy4j5fi3g3k27vivfcw75zjxdb2tg2wpz3i4cdiyhxyd.onion/data/websocket-api
To receive the history for a channel, send the following message: {"history":{"channel":"","limit":1,"reverse":true},"id":3} where channel is the name of the channel, limit is number of history messages you want, reverse indicates the direction of messages (from the most recent to the earliest).