{"uid":"cap_33pGfUYQa1aii2YSY9VKU","slug":"ioswarm-market-movers-feed-b63bf91f","name":"ioswarm Market Movers Feed","description":"Biggest US stock gainers and losers (market cap over $2B), unusual volume and top crypto movers. Each mover: price, % change, relative volume, pre/post-market change, sector, and up to three news headlines that mention it, so the move and its likely reason come in one call. Rebuilt every 15 minutes. $0.02 per call, no account. Free 24h-delayed sample: GET https://ioswarm.io/api/v1/feeds/movers/sample.","url":"https://ioswarm.io/api/v1/feeds/movers?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"q":{"type":"string","maxLength":80,"description":"Text filter."},"at":{"type":"string","description":"Past edition: RFC 3339 or YYYY-MM-DD."},"date":{"type":"string","description":"YYYY-MM-DD (UTC)."},"limit":{"type":"integer","maximum":200,"minimum":1,"description":"Items per section."},"ticker":{"type":"string","description":"Ticker/symbol filter."},"section":{"enum":["us_gainers","us_losers","us_unusual_volume","crypto_gainers","crypto_losers"],"type":"string","description":"One section (default: all)."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_leWVeVtoqVLk8zAfIqxKR","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the biggest US stock gainers/losers, unusual volume stocks, and top crypto movers (refreshed every 15 minutes), each linked to related news stories","exampleAgentPrompt":"Show me the top US stock gainers and crypto gainers right now — large cap only — and include any news stories tied to them, limit 20 per section.","exampleUseCases":[{"title":"Morning market briefing for traders","prompt":"Pull today's top 10 US stock gainers and losers from the movers feed and show me what news is driving each of them."},{"title":"Crypto surge alert with news context","prompt":"What are the biggest crypto gainers and losers right now? Give me up to 25 per section so I can see what's moving in the market."},{"title":"Unusual volume scanner for a specific stock","prompt":"Check if NVDA shows up in the unusual volume section of the movers feed today and tell me what news stories are attached to it."}],"resultDescription":"A structured feed of market movers organized by section (US gainers, US losers, unusual volume, crypto gainers, crypto losers), each entry including the ticker, price movement data, and linked news stories mentioning that mover. Data is refreshed every 15 minutes and covers US stocks with market cap over $2B.","failureModes":["Invalid section enum value returns error","Date/timestamp outside available history returns empty or error","Ticker filter with no matching movers returns empty result set","Limit exceeding maximum of 200 is rejected","Malformed RFC 3339 timestamp in 'at' field causes parsing error","Payment failure (insufficient USDC) blocks request entirely"],"whenToPreferThis":"Choose this endpoint when you need a pre-screened, curated list of the most significant market movers — already filtered to large-cap US stocks (over $2B market cap) and enriched with related news stories. Ideal over raw quote feeds when you want context (why is a stock moving?) rather than just price data. Prefer this over generic financial data APIs when you need the news-to-mover linkage in a single call. Best for monitoring, alerting, and briefing use cases rather than arbitrary symbol lookups.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T18:37:53.758Z","isFirstParty":false,"canonicalSlug":"ioswarm-market-movers-feed-b63bf91f"}