{"uid":"cap_Uwbbf9ku0pO7Xh_G7hey3","slug":"toolbelt402-catalyst-movers-prediction-market-movers-feed-a74bd199","name":"Toolbelt402 Catalyst Movers — Prediction Market Movers Feed","description":"Pay-per-call utility API for AI agents — x402, USDC on Base, no API key.","url":"https://toolbelt402.catalystdesk.workers.dev/v1/catalyst/movers?utm_source=zero.xyz","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"}}},"output":{"type":"object"}}},"responseSchema":{"type":"json","example":{"markets":[{"question":"...","change_1d":0.05,"yes_price":0.42}]}},"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_jfK261I6kwbrql5QI0z7s","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 a list of prediction market questions with the largest recent price movements (movers), including current yes-price and 1-day change.","exampleAgentPrompt":"Show me today's biggest movers in prediction markets — which questions have had the largest price swings in the last 24 hours?","exampleUseCases":[{"title":"Daily prediction market briefing","prompt":"Give me a quick briefing on which prediction market questions are moving the most today — I want to see yes-prices and how much they've shifted in the last day."},{"title":"Tracking political forecast volatility","prompt":"Which political prediction market questions are swinging the hardest right now? Show me the top movers with their current prices and 1-day changes."},{"title":"Alerting on fast-moving markets","prompt":"Check the prediction market movers feed and let me know if any question has moved more than 10 percentage points in the last 24 hours."}],"resultDescription":"Returns a JSON array of prediction market objects, each containing the market question text, current yes-price (as a decimal probability), and the 1-day price change. Example: [{\"question\":\"...\",\"yes_price\":0.42,\"change_1d\":0.05}].","failureModes":["Payment not sent or insufficient USDC balance — returns HTTP 402 with payment-required details","Upstream prediction market data source unavailable — may return empty markets array or 5xx error","Malformed request headers — returns 400 bad request","Rate limiting or worker overload — returns 429 or 503"],"whenToPreferThis":"Choose this endpoint when you need a real-time ranked list of the most volatile or trending prediction market questions without requiring an API key. It is ideal for agents that want to surface actionable market intelligence quickly, especially in x402-compatible payment flows using USDC on Base. Prefer alternatives if you need historical data, full market depth, or access to a specific named market rather than a ranked movers list.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T12:35:07.295Z","isFirstParty":false,"canonicalSlug":"toolbelt402-catalyst-movers-prediction-market-movers-feed-a74bd199"}