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    "name": "Market Data Indices Markets API",
    "description": "The Market Data API delivers real-time and historical U.S. stock, options, and index market data over a simple REST interface. All endpoints are served from https://api.marketdata.app/v1 and return JSON (or CSV) responses. Most endpoints require only a ticker symbol as a path parameter. Requests are authenticated with a Bearer token generated in the Market Data dashboard. Coverage spans stock candles and quotes (single and bulk), corporate earnings and news, full options chains with per-contract quotes, expirations, strikes and OCC symbol lookup, index candles and quotes, and market open/closed status. Note that Market Data may return HTTP 203 Non-Authoritative Information (instead of 200 OK) when a response is served from its caching tier; clients must treat 203 as success.\n\nContact Support:\n Name: Market Data",
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                      "value": "<string>"
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                      "key": "from",
                      "value": "<string>"
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                    {
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                      "key": "to",
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                },
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