TREP is our data distribution platform. It serves to distribute data from various sources, such as realtime data feeds, for example, Elektron data feed. Elektron is a realtime data feed, it allows to request the quotes as of the current time, or to subscribe to a quote, with updates, starting at the current time.
ThomsonReuters offers products that specialize in historical data. The data is categorized, normalized and is available for retrieval via API at a later time.
Please contact your TR account manager to discuss the history data available.