{"uid":"cap_vfXSY4LkTNsFya0DIS3Y5","slug":"financial-data-x402-trending-markets-296808e1","name":"Financial Data x402 – Trending Markets","description":"Pay-per-call stock, macro, on-chain, and crypto data over the x402 protocol. USDC on Base or Solana, no API keys, no subscriptions.","url":"https://x402financialdata.com/trending-markets","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"required":{"type":"string"},"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"count":1,"source":"polymarket","markets":[{"id":"israel-x-iran-ceasefire-continues-through-august-2-20260727170555149","title":"Israel x Iran ceasefire continues through August 2?","source":"polymarket","status":"active","outcomes":[{"name":"Yes","probability":0.745},{"name":"No","probability":0.255}],"close_date":"2026-08-02T23:59:00Z","volume_usd":1556592.259621001,"volume_24h_usd":1112365.174385003}]}},"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_wCQDPEpVDXsqbvMI1Cu_D","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 a ranked list of currently trending prediction and financial markets (e.g. from Polymarket), including outcome probabilities, trading volume, and close dates.","exampleAgentPrompt":"What are the top trending prediction markets right now — show me the most active ones with their current outcome probabilities and trading volumes?","exampleUseCases":[{"title":"Monitor hot political event markets","prompt":"Which political events are people betting on most heavily on Polymarket right now? Show me the trending markets with their probabilities and 24-hour volume."},{"title":"Find liquid markets for trading ideas","prompt":"Pull up the most liquid trending prediction markets today so I can see which ones have the highest volume and still have time before they close."},{"title":"Track geopolitical risk sentiment","prompt":"What geopolitical events are trending in prediction markets right now, and what probabilities are the market assigning to each outcome?"}],"resultDescription":"A JSON object containing a count, the data source (e.g. 'polymarket'), and an array of trending market objects. Each market includes a unique ID, title, source, status (active/closed), a list of outcomes with names and probabilities (0–1), a close date/time, total volume in USD, and 24-hour volume in USD.","failureModes":["Payment not received or insufficient USDC — endpoint returns HTTP 402 requiring payment","Network or upstream Polymarket data unavailable — may return empty markets array or 5xx error","Malformed payment header — request rejected before data is returned","No trending markets currently available — count returns 0 with empty array"],"whenToPreferThis":"Choose this endpoint when you need a real-time snapshot of the most actively traded or trending prediction markets without requiring an API key or subscription. It is ideal for agents that need zero-setup access to Polymarket trend data paid per-call in USDC via the x402 protocol, especially when you want volume-ranked market discovery rather than querying a specific market by ID.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:42:16.830Z","isFirstParty":false}