====== How can I access historical chart data through the API? ====== Chart data is available via the T4 API. You can either access the underlying data directly and manage it yourself using our [[http://wiki.ctsfutures.com/api47help/html/63c124fb-f038-44c7-a83d-8d468de7d27d.htm|High Performance Chart API]], or use the [[http://wiki.ctsfutures.com/api47help/html/571bfaa8-5eda-4417-8f5a-62dc1ce406dc.htm|Simplified Chart API]] that will manage bars and some studies for you.