{"uid":"cap_rQqDgyv969zvs6TaX5ken","slug":"massive-x402-api-rsi-indicator-b5b348a8","name":"Massive x402 API – RSI Indicator","description":"US stock market data, sold per request over x402. Every path here answers 402 with the payment terms in the PAYMENT-REQUIRED header, and answers with the data once the payment settles. No account, no API key, no subscription.","url":"https://agent.massive.com/v1/indicators/rsi/%7BstockTicker%7D","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"pathParams":{"type":"object","required":["stockTicker"],"properties":{"stockTicker":{"type":"string","description":"Specify a case-sensitive ticker symbol for which to get relative strength index (RSI) data. For example, AAPL represents Apple Inc."}}},"queryParams":{"type":"object","properties":{"limit":{"type":"integer","default":10,"maximum":5000,"description":"Limit the number of results returned, default is 10 and max is 5000"},"order":{"enum":["asc","desc"],"type":"string","default":"desc","description":"The order in which to return the results, ordered by timestamp."},"window":{"type":"integer","default":14,"description":"The window size used to calculate the relative strength index (RSI)."},"adjusted":{"type":"boolean","default":true,"description":"Whether or not the aggregates used to calculate the relative strength index are adjusted for splits. By default, aggregates are adjusted. Set this to false to get results that are NOT adjusted for splits."},"timespan":{"enum":["minute","hour","day","week","month","quarter","year"],"type":"string","default":"day","description":"The size of the aggregate time window."},"timestamp":{"type":"string","description":"Query by timestamp. Either a date with the format YYYY-MM-DD or a millisecond timestamp."},"series_type":{"enum":["open","high","low","close"],"type":"string","default":"close","description":"The price in the aggregate which will be used to calculate the relative strength index. i.e. 'close' will result in using close prices to calculate the relative strength index (RSI)."},"timestamp.gt":{"type":"string","description":"Range by timestamp."},"timestamp.lt":{"type":"string","description":"Range by timestamp."},"timestamp.gte":{"type":"string","description":"Range by timestamp."},"timestamp.lte":{"type":"string","description":"Range by timestamp."},"expand_underlying":{"type":"boolean","default":false,"description":"Whether or not to include the aggregates used to calculate this indicator in the response."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"status":"OK","results":{"values":[{"value":82.19,"timestamp":1517562000016}],"underlying":{"url":"https://api.massive.com/v2/aggs/ticker/AAPL/range/1/day/2003-01-01/2022-07-25"}},"next_url":"https://api.massive.com/v1/indicators/rsi/AAPL?cursor=YWN0aXZlPXRydWUmZGF0ZT0yMDIxLTA0LTI1JmxpbWl0PTEmb3JkZXI9YXNjJnBhZ2VfbWFya2VyPUElN0M5YWRjMjY0ZTgyM2E1ZjBiOGUyNDc5YmZiOGE1YmYwNDVkYzU0YjgwMDcyMWE2YmI1ZjBjMjQwMjU4MjFmNGZiJnNvcnQ9dGlja2Vy","request_id":"a47d1beb8c11b6ae897ab76cdbbf35a3"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_teukU7BZW7HrG4WjYmEtL","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the Relative Strength Index (RSI) time series for a given US stock ticker, payable per-request via x402 micropayment with no account or API key required.","exampleAgentPrompt":"What's the 14-day RSI for AAPL using daily close prices for the last 30 data points, in descending order?","exampleUseCases":[{"title":"Overbought/oversold stock screening","prompt":"Pull the 14-day RSI for NVDA using daily close prices — I want the last 20 values in descending order so I can see if it's been overbought recently."},{"title":"Intraday RSI momentum check","prompt":"Get me the RSI for TSLA on 1-hour candles for the past week, using a 9-period window on close prices, so I can see short-term momentum."},{"title":"Historical RSI backtest data","prompt":"Fetch up to 500 daily RSI values for SPY using the default 14-period window, adjusted for splits, going back from 2023-12-31, in ascending order so I can backtest a trading strategy."}],"resultDescription":"A JSON object containing an array of RSI values (each with a numeric RSI value and a millisecond timestamp), a reference URL to the underlying aggregate data used for the calculation, a next_url cursor for pagination, and a request_id. Results are ordered by timestamp according to the requested sort order.","failureModes":["Payment not settled or x402 micropayment fails — returns 402 with PAYMENT-REQUIRED header containing payment terms","Invalid or unsupported ticker symbol — returns error status","Timestamp range yields no data (e.g. weekend/holiday with no trading activity)","Window size too large relative to available data — may return empty values array","limit exceeds maximum of 5000 — validation error","Invalid timespan or series_type enum value — bad request error"],"whenToPreferThis":"Choose this endpoint when you need RSI technical indicator data for US equities without requiring an account, API key, or subscription — ideal for pay-per-use agent workflows where you only query occasionally. Prefer this over traditional data providers when you want micropayment-based access via x402. It is especially suited for AI agents that need on-demand financial signal retrieval with minimal setup overhead. Use alternatives if you need bulk historical downloads cheaper than $0.01/call or need non-US markets.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T06:50:16.862Z","isFirstParty":false}