{"name":"Options Tracker API","version":"1.0.0","endpoints":{"health":"GET /health","tickers":"GET /api/tickers","contracts":"GET /api/contracts/:ticker","expirations":"GET /api/expirations/:ticker","contract":"GET /api/contract/:contractSymbol","history":"GET /api/contract/:contractSymbol/history","statistics":"GET /api/stats/:ticker/:date"},"queryParams":{"contracts":"option_type (call/put), expiration_date (YYYY-MM-DD)","history":"days (default: 30)","snapshots":"limit (default: 1)"}}