Get Relative Strength Index for a stock
symbolrequiredintervalrequiredtime_periodrequiredseries_typerequiredclawcard agent pay technical-rsi '{"symbol": "AAPL", "interval": "daily", "time_period": 14, "series_type": "close"}' --jsonPOST https://www.clawcard.sh/api/catalog/technical-rsiRequires API key in Authorization header. Balance deducted per call.