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RSI Indicator
x402
RSI Indicator is a paid API for AI agents from agent.massive.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-15).
Returns the Relative Strength Index (RSI) for a given stock ticker over a configurable time range and window size.
Price / call$0.01
Success—
StatusUnknown
How this service works
Get the relative strength index (RSI) for a ticker symbol over a given time range. Can't find what you're looking for? POST feedback to /feedback, no charge.
Output
Returns a time-series array of RSI values for the specified ticker, each with a timestamp and computed RSI value. Configurable by window size, timespan, series type, date range, and sort order. Results are split-adjusted by default.
Example use cases
Momentum check before trade entry
“Pull the RSI for TSLA using a 14-day window on daily close prices for the last 20 data points — I want to see if it's overbought before I buy.”
Weekly RSI scan for swing trading
“Get me the weekly RSI for SPY over the last 52 data points using a 14-period window based on close prices, ordered from oldest to newest.”
Intraday RSI for short-term signal
“Fetch the hourly RSI for NVDA with a 9-period window for the last 50 data points using close prices — I'm looking for a short-term momentum signal.”
Technical details
Endpoint
GEThttps://agent.massive.com/v1/indicators/rsi/:stockTickerWhen to prefer
Use this endpoint when you need RSI-specific momentum indicator data for equities and want flexible configuration of window size, timespan granularity, and price series type. Prefer this over SMA or EMA endpoints when the user specifically needs overbought/oversold signals rather than trend-following averages.
Side effects
- Invalid or unknown ticker symbol returns an error or empty result
- Case-sensitive ticker mismatch causes no data to be returned
- Timestamp range outside available data returns empty results
- Exceeding the maximum limit of 5000 causes a validation error
- Requesting RSI for a non-trading period (e.g., weekend with day timespan) may return no data
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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