{"id":"tp-57342","type":"article-newspaper","title":"Helius Opens Historical Accounts API Beta for Trading Backtests and Simulations","author":"Simon Yoon","publisher":"TOKENPOST Inc.","url":"https://www.tokenpost.com/news/technology/57342","datePublished":"2026-11-14T11:56:33.000Z","dateModified":"2026-11-14T11:56:33.000Z","language":"en","abstract":"The API supports queries for account states from earlier periods.","section":"Technology","references":[]}